Komatsu PC490LCi-11 Install guide

HYDRAULIC
EXCAVATOR
SEN06592-03
PC490LCi-11
SERIAL NUMBERS
85113
and up

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00 INDEX AND FOREWORD
PC490LCI-11 00-1
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INDEX
00 INDEX AND FOREWORD ........................................................................................................................ 00-1
ABBREVIATION LIST ........................................................................................................................... 00-22
FOREWORD, SAFETY, BASIC INFORMATION ................................................................................... 00-27
HOW TO READ THE SHOP MANUAL........................................................................................... 00-27
SAFETY NOTICE FOR OPERATION............................................................................................. 00-29
PRECAUTIONS TO PREVENT FIRE............................................................................................. 00-37
ACTIONS IF FIRE OCCURS ......................................................................................................... 00-39
PRECAUTIONS FOR DISPOSING OF WASTE MATERIALS ........................................................ 00-40
ACTIONS TAKEN TO MEET EXHAUST GAS REGULATIONS...................................................... 00-41
PRECAUTIONS FOR DEF............................................................................................................. 00-42
STORE AdBlue/DEF ...................................................................................................................... 00-43
PRECAUTIONS FOR HANDLING HYDRAULIC EQUIPMENT ...................................................... 00-44
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF PIPINGS................................ 00-47
PRECAUTIONS FOR HANDLING ELECTRICAL EQUIPMENT..................................................... 00-53
PRECAUTIONS FOR HANDLING FUEL SYSTEM EQUIPMENT .................................................. 00-55
PRECAUTIONS FOR HANDLING INTAKE SYSTEM EQUIPMENT .............................................. 00-56
PRACTICAL USE OF KOMTRAX .................................................................................................. 00-57
DISCONNECT AND CONNECT PUSH-PULL TYPE COUPLER ................................................... 00-58
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF CONNECTORS ..................... 00-62
METHOD FOR DISCONNECTING AND CONNECTING DEUTSCH CONNECTOR ..................... 00-66
METHOD FOR DISCONNECTING AND CONNECTING SLIDE LOCK TYPE CONNECTOR ....... 00-67
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PULL ... 00-69
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PUSH .. 00-70
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH HOUSING TO ROTATE .
................................................................................................................................................... 00-72
HOW TO READ ELECTRICAL WIRE CODE ................................................................................. 00-73
EXPLANATION OF TERMS FOR MAINTENANCE STANDARD.................................................... 00-77
STANDARD TIGHTENING TORQUE TABLE................................................................................. 00-80
CONVERSION TABLE ................................................................................................................... 00-87
01 SPECIFICATIONS .................................................................................................................................... 01-1
CONTENTS ............................................................................................................................................ 01-2
ABBREVIATION LIST ............................................................................................................................. 01-3
SPECIFICATIONS .................................................................................................................................. 01-8
SPECIFICATION DRAWING............................................................................................................ 01-8
WORKING RANGE DRAWINGS ................................................................................................... 01-10
SPECIFICATIONS ..........................................................................................................................01-11
WEIGHT TABLE ............................................................................................................................ 01-15
TABLE OF FUEL, COOLANT, AND LUBRICANTS ........................................................................ 01-17
10 STRUCTURE AND FUNCTION ................................................................................................................ 10-1
CONTENTS ............................................................................................................................................ 10-2
ABBREVIATION LIST ............................................................................................................................. 10-6
UREA SCR SYSTEM.............................................................................................................................10-11
LAYOUT DRAWING OF UREA SCR SYSTEM ...............................................................................10-11
UREA SCR SYSTEM DIAGRAM ................................................................................................... 10-15
FUNCTION OF UREA SCR SYSTEM............................................................................................ 10-16
COMPONENT PARTS OF UREA SCR SYSTEM........................................................................... 10-33
BOOT-UP SYSTEM .............................................................................................................................. 10-42
LAYOUT DRAWING OF BOOT-UP SYSTEM................................................................................. 10-42
SYSTEM OPERATING LAMP SYSTEM ........................................................................................ 10-44
BATTERY DISCONNECT SWITCH ............................................................................................... 10-45
ENGINE SYSTEM ................................................................................................................................ 10-46
LAYOUT DRAWING OF ENGINE SYSTEM................................................................................... 10-46
ENGINE CONTROL SYSTEM ....................................................................................................... 10-49
AUTO-DECELERATION SYSTEM ................................................................................................. 10-52
ENGINE AUTOMATIC WARM-UP SYSTEM .................................................................................. 10-54
OVERHEAT PREVENTION SYSTEM ............................................................................................ 10-56
INDEX 00 INDEX AND FOREWORD
00-2 PC490LCI-11
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TURBOCHARGER PROTECTION SYSTEM ................................................................................. 10-59
AUTOMATIC IDLE STOP SYSTEM ............................................................................................... 10-61
COMPONENT PARTS OF ENGINE SYSTEM ............................................................................... 10-64
COOLING SYSTEM.............................................................................................................................. 10-81
LAYOUT DRAWING OF COOLING SYSTEM ................................................................................ 10-81
FAN SPEED CONTROL SYSTEM OF HYDRAULIC FAN.............................................................. 10-84
ENGINE OUTPUT CONTROL SYSTEM OF HYDRAULIC FAN..................................................... 10-86
FAN REVERSE ROTATION SYSTEM OF HYDRAULIC FAN......................................................... 10-89
COMPONENT PARTS OF COOLING SYSTEM............................................................................. 10-90
CONTROL SYSTEM............................................................................................................................10-104
LAYOUT DRAWING OF CONTROL SYSTEM ..............................................................................10-104
MACHINE MONITOR SYSTEM ....................................................................................................10-107
KOMTRAX SYSTEM.....................................................................................................................10-108
COMPONENT PARTS OF CONTROL SYSTEM...........................................................................10-109
HYDRAULIC SYSTEM.........................................................................................................................10-143
LAYOUT DRAWING OF HYDRAULIC SYSTEM ...........................................................................10-143
CLSS ............................................................................................................................................10-145
ENGINE AND PUMP COMBINED CONTROL SYSTEM...............................................................10-164
PUMP AND VALVE CONTROL SYSTEM .....................................................................................10-171
COMPONENT PARTS OF HYDRAULIC SYSTEM .......................................................................10-174
WORK EQUIPMENT SYSTEM ............................................................................................................10-262
LAYOUT DRAWING OF WORK EQUIPMENT SYSTEM ..............................................................10-262
STRUCTURE OF VALVE CONTROL............................................................................................10-267
ONE-TOUCH POWER MAXIMIZING SYSTEM ............................................................................10-268
MACHINE PUSH-UP SYSTEM.....................................................................................................10-270
PPC LOCK SYSTEM ....................................................................................................................10-272
WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM ..............................................10-273
OIL FLOW ADJUSTER SYSTEM FOR ATTACHMENT.................................................................10-275
COMPONENT PARTS OF WORK EQUIPMENT SYSTEM...........................................................10-277
ICT SYSTEM .......................................................................................................................................10-295
LAYOUT DRAWING OF ICT SYSTEM..........................................................................................10-295
ICT CONTROL SYSTEM DIAGRAM.............................................................................................10-297
BUCKET EDGE POSITION DETECTION SYSTEM......................................................................10-298
THE INTELLIGENT MACHINE CONTROL SYSTEM....................................................................10-300
CUSHION SYSTEM FOR ARM IN END........................................................................................10-315
BOOM SECONDARY DRIVE SWITCH.........................................................................................10-317
COMPONENT PARTS OF ICT SYSTEM ......................................................................................10-318
SWING SYSTEM .................................................................................................................................10-352
LAYOUT DRAWING OF SWING SYSTEM ...................................................................................10-352
SWING CONTROL SYSTEM DIAGRAM ......................................................................................10-357
COMPONENT PARTS OF SWING SYSTEM................................................................................10-361
TRAVEL SYSTEM................................................................................................................................10-376
LAYOUT DRAWING OF TRAVEL SYSTEM ..................................................................................10-376
TRAVEL CONTROL SYSTEM DIAGRAM .....................................................................................10-380
COMPONENT PARTS OF TRAVEL SYSTEM ..............................................................................10-382
UNDERCARRIAGE AND FRAME........................................................................................................10-404
LAYOUT DRAWING OF UNDERCARRIAGE................................................................................10-404
WORK EQUIPMENT............................................................................................................................10-405
STRUCTURE OF WORK EQUIPMENT ........................................................................................10-405
FUNCTION OF WORK EQUIPMENT ...........................................................................................10-406
WORK EQUIPMENT CLEARANCE ADJUSTMENT SHIM............................................................10-407
BUCKET CLEARANCE ADJUSTMENT SHIM ..............................................................................10-408
CAB AND ITS ATTACHMENTS ...........................................................................................................10-409
ROPS CAB ...................................................................................................................................10-409
CAB MOUNT ................................................................................................................................10-410
CAB TIPPING STOPPER .............................................................................................................10-411
20 STANDARD VALUE TABLE ...................................................................................................................... 20-1
CONTENTS ............................................................................................................................................ 20-2
00 INDEX AND FOREWORD INDEX
PC490LCI-11 00-3
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ABBREVIATION LIST ............................................................................................................................. 20-3
STANDARD VALUE TABLE FOR ENGINE ............................................................................................. 20-8
STANDARD VALUE TABLE FOR ENGINE: PC490LCI-11 ............................................................... 20-8
STANDARD VALUE TABLE FOR MACHINE..........................................................................................20-11
STANDARD VALUE TABLE FOR MACHINE: PC490LCI-11 ...........................................................20-11
MACHINE POSTURE AND PROCEDURE FOR MEASURING PERFORMANCE ......................... 20-37
STANDARD VALUE TABLE FOR ELECTRICAL ................................................................................... 20-41
STANDARD VALUE TABLE FOR ELECTRICAL ............................................................................ 20-41
30 TESTING AND ADJUSTING..................................................................................................................... 30-1
CONTENTS ............................................................................................................................................ 30-2
ABBREVIATION LIST ............................................................................................................................. 30-6
RELATED INFORMATION ON TESTING AND ADJUSTING .................................................................30-11
TOOLS FOR TESTING AND ADJUSTING......................................................................................30-11
SKETCH OF TOOLS FOR TESTING AND ADJUSTING ............................................................... 30-22
ENGINE AND COOLING SYSTEM....................................................................................................... 30-24
TEST ENGINE SPEED .................................................................................................................. 30-24
TEST BOOST PRESSURE............................................................................................................ 30-27
TEST EXHAUST GAS COLOR...................................................................................................... 30-29
TEST AND ADJUST VALVE CLEARANCE .................................................................................... 30-31
TEST COMPRESSION PRESSURE.............................................................................................. 30-34
TEST BLOWBY PRESSURE ......................................................................................................... 30-37
TEST ENGINE OIL PRESSURE .................................................................................................... 30-39
TEST EGR VALVE AND VGT OIL PRESSURE ............................................................................. 30-41
TEST FUEL PRESSURE ............................................................................................................... 30-43
TEST FUEL RETURN RATE AND LEAKAGE................................................................................ 30-45
BLEED AIR FROM FUEL SYSTEM ............................................................................................... 30-48
TEST FUEL CIRCUIT FOR LEAKAGE .......................................................................................... 30-50
HANDLE CYLINDER CUT-OUT MODE OPERATION.................................................................... 30-52
HANDLE NO-INJECTION CRANKING OPERATION ..................................................................... 30-53
TEST AND ADJUST AIR CONDITIONER COMPRESSOR BELT TENSION ................................. 30-54
CLEAN FUEL DOSER ................................................................................................................... 30-56
WRITE INJECTOR COMPENSATION VALUE TO ENGINE CONTROLLER.................................. 30-58
WRITE ASH IN SOOT ACCUMULATION CORRECTION TO ENGINE CONTROLLER ................ 30-64
TEST SCR RELATED FUNCTIONS............................................................................................... 30-65
CLEAN AdBlue/DEF TANK ............................................................................................................ 30-91
POWER TRAIN..................................................................................................................................... 30-95
TEST SWING CIRCLE BEARING CLEARANCE ........................................................................... 30-95
UNDERCARRIAGE AND FRAME......................................................................................................... 30-96
TEST AND ADJUST TRACK TENSION......................................................................................... 30-96
HYDRAULIC SYSTEM.......................................................................................................................... 30-98
RELEASE REMAINING PRESSURE FROM HYDRAULIC SYSTEM............................................. 30-98
TEST AND ADJUST OIL PRESSURE IN WORK EQUIPMENT, SWING, AND TRAVEL CIRCUITS........
................................................................................................................................................... 30-99
TEST OIL PRESSURE OF CONTROL CIRCUIT ..........................................................................30-110
TEST AND ADJUST OIL PRESSURE IN PUMP PC CONTROL CIRCUIT ...................................30-112
TEST AND ADJUST OIL PRESSURE IN PUMP LS CONTROL CIRCUIT....................................30-116
TEST OUTLET PRESSURE OF SOLENOID VALVE ....................................................................30-121
TEST PPC VALVE OUTLET PRESSURE .....................................................................................30-124
ADJUST WORK EQUIPMENT AND SWING PPC VALVES ..........................................................30-126
TEST PUMP SWASH PLATE SENSOR........................................................................................30-127
TEST COOLING FAN SPEED .....................................................................................................30-128
TEST OIL PRESSURE IN FAN PUMP CIRCUIT...........................................................................30-129
TEST FAN PUMP EPC ELECTRIC CURRENT.............................................................................30-131
TEST FAN PUMP EPC SOLENOID VALVE OUTLET PRESSURE...............................................30-132
TEST THE PARTS CAUSING HYDRAULIC DRIFT IN WORK EQUIPMENT................................30-133
TEST OIL LEAKAGE ....................................................................................................................30-135
BLEED AIR FROM HYDRAULIC CIRCUIT ...................................................................................30-138
CAB AND ITS ATTACHMENTS ...........................................................................................................30-143
INDEX 00 INDEX AND FOREWORD
00-4 PC490LCI-11
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TEST CAB TIPPING STOPPER ...................................................................................................30-143
......................................................................................................................................................30-143
ELECTRICAL SYSTEM .......................................................................................................................30-147
SET AND OPERATE MACHINE MONITOR..................................................................................30-147
METHOD FOR STARTING UP KOMTRAX TERMINAL ................................................................30-228
ADJUST REARVIEW CAMERA ANGLE .......................................................................................30-233
HANDLE VOLTAGE CIRCUIT OF ENGINE CONTROLLER .........................................................30-236
HANDLE BATTERY DISCONNECT SWITCH ...............................................................................30-237
TEST DIODES ..............................................................................................................................30-238
ICT SYSTEM .......................................................................................................................................30-239
SET AND OPERATE CONTROL BOX ..........................................................................................30-239
CALIBRATE INTELLIGENT MACHINE CONTROL .......................................................................30-248
Pm CLINIC...........................................................................................................................................30-677
Pm CLINIC SERVICE ...................................................................................................................30-677
40 TROUBLESHOOTING .............................................................................................................................. 40-1
CONTENTS ............................................................................................................................................ 40-2
ABBREVIATION LIST ........................................................................................................................... 40-15
RELATED INFORMATION ON TROUBLESHOOTING ......................................................................... 40-20
GENERAL TROUBLESHOOTING POINTS ................................................................................... 40-20
TROUBLESHOOTING POINTS FOR UREA SCR SYSTEM.......................................................... 40-21
SEQUENCE OF EVENTS IN TROUBLESHOOTING..................................................................... 40-33
CHECKS BEFORE TROUBLESHOOTING.................................................................................... 40-35
INSPECTION PROCEDURE BEFORE TROUBLESHOOTING ..................................................... 40-37
TESTING IN ACCORDANCE WITH TESTING PROCEDURE....................................................... 40-39
PREPARATION FOR TROUBLESHOOTING OF ELECTRICAL SYSTEM..................................... 40-60
PROCEDURE FOR TESTING AND TROUBLESHOOTING .......................................................... 40-69
SYMPTOMS OF FAILURE AND TROUBLESHOOTING NUMBERS ............................................. 40-72
INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE.................................................... 40-77
CONNECTOR LIST AND LAYOUT ................................................................................................ 40-79
CONNECTOR CONTACT IDENTIFICATION ................................................................................. 40-99
T-BRANCH BOX AND T-BRANCH ADAPTER TABLE ..................................................................40-139
FUSE LOCATION TABLE .............................................................................................................40-145
PRECAUTIONS FOR CLEANING AND REPLACING KDPF (KCSF and KDOC)..........................40-147
PREPARATION OF SHORT CIRCUIT ELECTRICAL CONNECTOR (FOR FAILURE CODES [CA1883]
AND [CA3135])..........................................................................................................................40-151
FAILURE CODES TABLE .............................................................................................................40-153
TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE) .....................................................40-175
FAILURE CODE [879AKA]............................................................................................................40-175
FAILURE CODE [879AKB]............................................................................................................40-176
FAILURE CODE [879BKA]............................................................................................................40-177
FAILURE CODE [879BKB]............................................................................................................40-179
FAILURE CODE [879CKA]............................................................................................................40-181
FAILURE CODE [879CKB]............................................................................................................40-182
FAILURE CODE [879DKZ]............................................................................................................40-183
FAILURE CODE [879EMC] ...........................................................................................................40-185
FAILURE CODE [879FMC] ...........................................................................................................40-186
FAILURE CODE [879GKX] ...........................................................................................................40-187
FAILURE CODE [989L00].............................................................................................................40-189
FAILURE CODE [989M00] ............................................................................................................40-190
FAILURE CODE [989N00] ............................................................................................................40-191
FAILURE CODE [A1U0N3] ...........................................................................................................40-192
FAILURE CODE [A1U0N4] ...........................................................................................................40-194
FAILURE CODE [A900FR]............................................................................................................40-196
FAILURE CODE [A900N6] ............................................................................................................40-197
FAILURE CODE [A900NY]............................................................................................................40-198
FAILURE CODE [AA10NX] ...........................................................................................................40-199
FAILURE CODE [AB00KE] ...........................................................................................................40-201
FAILURE CODE [AQ10N3] ...........................................................................................................40-204
00 INDEX AND FOREWORD INDEX
PC490LCI-11 00-5
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FAILURE CODE [AS00N3]............................................................................................................40-206
FAILURE CODE [AS00R2]............................................................................................................40-208
FAILURE CODE [AS00R3]............................................................................................................40-209
FAILURE CODE [AS00R4]............................................................................................................40-210
FAILURE CODE [AS00R5]............................................................................................................40-211
FAILURE CODE [AS00R6]............................................................................................................40-212
FAILURE CODE [AS00ZK]............................................................................................................40-213
FAILURE CODE [AS10KM]...........................................................................................................40-214
FAILURE CODE [AS10NR] ...........................................................................................................40-215
FAILURE CODE [AS10NT] ...........................................................................................................40-216
FAILURE CODE [B@BAZG] .........................................................................................................40-217
FAILURE CODE [B@BAZK]..........................................................................................................40-218
FAILURE CODE [B@BCNS] .........................................................................................................40-220
FAILURE CODE [B@BCZK] .........................................................................................................40-221
FAILURE CODE [B@HANS] .........................................................................................................40-223
FAILURE CODE [CA115] ..............................................................................................................40-224
FAILURE CODE [CA122]..............................................................................................................40-225
FAILURE CODE [CA123]..............................................................................................................40-227
FAILURE CODE [CA131]..............................................................................................................40-229
FAILURE CODE [CA132]..............................................................................................................40-231
FAILURE CODE [CA135]..............................................................................................................40-233
FAILURE CODE [CA141]..............................................................................................................40-235
FAILURE CODE [CA144]..............................................................................................................40-237
FAILURE CODE [CA145]..............................................................................................................40-239
FAILURE CODE [CA153]..............................................................................................................40-241
FAILURE CODE [CA154]..............................................................................................................40-244
FAILURE CODE [CA187]..............................................................................................................40-247
FAILURE CODE [CA221]..............................................................................................................40-249
FAILURE CODE [CA222]..............................................................................................................40-251
FAILURE CODE [CA227]..............................................................................................................40-253
FAILURE CODE [CA234]..............................................................................................................40-254
FAILURE CODE [CA238]..............................................................................................................40-255
FAILURE CODE [CA239]..............................................................................................................40-257
FAILURE CODE [CA249]..............................................................................................................40-259
FAILURE CODE [CA256]..............................................................................................................40-261
FAILURE CODE [CA271]..............................................................................................................40-263
FAILURE CODE [CA272]..............................................................................................................40-265
FAILURE CODE [CA273]..............................................................................................................40-266
FAILURE CODE [CA274]..............................................................................................................40-268
FAILURE CODE [CA322]..............................................................................................................40-269
FAILURE CODE [CA323]..............................................................................................................40-271
FAILURE CODE [CA324]..............................................................................................................40-273
FAILURE CODE [CA325]..............................................................................................................40-275
FAILURE CODE [CA331]..............................................................................................................40-277
FAILURE CODE [CA332]..............................................................................................................40-279
FAILURE CODE [CA343]..............................................................................................................40-281
FAILURE CODE [CA351]..............................................................................................................40-282
FAILURE CODE [CA352]..............................................................................................................40-283
FAILURE CODE [CA356]..............................................................................................................40-286
FAILURE CODE [CA357]..............................................................................................................40-288
FAILURE CODE [CA386]..............................................................................................................40-290
FAILURE CODE [CA441]..............................................................................................................40-291
FAILURE CODE [CA442]..............................................................................................................40-293
FAILURE CODE [CA449]..............................................................................................................40-294
FAILURE CODE [CA451]..............................................................................................................40-295
FAILURE CODE [CA452]..............................................................................................................40-297
FAILURE CODE [CA515]..............................................................................................................40-299
FAILURE CODE [CA516]..............................................................................................................40-301
INDEX 00 INDEX AND FOREWORD
00-6 PC490LCI-11
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FAILURE CODE [CA553]..............................................................................................................40-303
FAILURE CODE [CA555]..............................................................................................................40-304
FAILURE CODE [CA556]..............................................................................................................40-305
FAILURE CODE [CA559]..............................................................................................................40-306
FAILURE CODE [CA595]..............................................................................................................40-311
FAILURE CODE [CA687]..............................................................................................................40-312
FAILURE CODE [CA689]..............................................................................................................40-314
FAILURE CODE [CA691]..............................................................................................................40-316
FAILURE CODE [CA692]..............................................................................................................40-318
FAILURE CODE [CA697]..............................................................................................................40-320
FAILURE CODE [CA698]..............................................................................................................40-321
FAILURE CODE [CA731]..............................................................................................................40-322
FAILURE CODE [CA778]..............................................................................................................40-323
FAILURE CODE [CA1117] ............................................................................................................40-326
FAILURE CODE [CA1664] ............................................................................................................40-327
FAILURE CODE [CA1669] ............................................................................................................40-330
FAILURE CODE [CA1673] ............................................................................................................40-331
FAILURE CODE [CA1677] ............................................................................................................40-332
FAILURE CODE [CA1678] ............................................................................................................40-333
FAILURE CODE [CA1682] ............................................................................................................40-334
FAILURE CODE [CA1683] ............................................................................................................40-336
FAILURE CODE [CA1684] ............................................................................................................40-337
FAILURE CODE [CA1686] ............................................................................................................40-339
FAILURE CODE [CA1691] ............................................................................................................40-340
FAILURE CODE [CA1694] ............................................................................................................40-343
FAILURE CODE [CA1695] ............................................................................................................40-345
FAILURE CODE [CA1696] ............................................................................................................40-346
FAILURE CODE [CA1712] ............................................................................................................40-348
FAILURE CODE [CA1713] ............................................................................................................40-351
FAILURE CODE [CA1714] ............................................................................................................40-353
FAILURE CODE [CA1715] ............................................................................................................40-354
FAILURE CODE [CA1776] ............................................................................................................40-355
FAILURE CODE [CA1777] ............................................................................................................40-358
FAILURE CODE [CA1843] ............................................................................................................40-361
FAILURE CODE [CA1844] ............................................................................................................40-363
FAILURE CODE [CA1879] ............................................................................................................40-366
FAILURE CODE [CA1881] ............................................................................................................40-368
FAILURE CODE [CA1883] ............................................................................................................40-370
FAILURE CODE [CA1885] ............................................................................................................40-373
FAILURE CODE [CA1887] ............................................................................................................40-375
FAILURE CODE [CA1921] ............................................................................................................40-377
FAILURE CODE [CA1922] ............................................................................................................40-380
FAILURE CODE [CA1923] ............................................................................................................40-385
FAILURE CODE [CA1924] ............................................................................................................40-387
FAILURE CODE [CA1925] ............................................................................................................40-389
FAILURE CODE [CA1927] ............................................................................................................40-391
FAILURE CODE [CA1928] ............................................................................................................40-393
FAILURE CODE [CA1942] ............................................................................................................40-395
FAILURE CODE [CA1963] ............................................................................................................40-396
FAILURE CODE [CA1977] ............................................................................................................40-399
FAILURE CODE [CA1993] ............................................................................................................40-402
FAILURE CODE [CA2185] ............................................................................................................40-405
FAILURE CODE [CA2186] ............................................................................................................40-407
FAILURE CODE [CA2249] ............................................................................................................40-409
FAILURE CODE [CA2265] ............................................................................................................40-410
FAILURE CODE [CA2266] ............................................................................................................40-412
FAILURE CODE [CA2271] ............................................................................................................40-414
FAILURE CODE [CA2272] ............................................................................................................40-416
00 INDEX AND FOREWORD INDEX
PC490LCI-11 00-7
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FAILURE CODE [CA2349] ............................................................................................................40-418
FAILURE CODE [CA2353] ............................................................................................................40-420
FAILURE CODE [CA2357] ............................................................................................................40-422
FAILURE CODE [CA2381] ............................................................................................................40-423
FAILURE CODE [CA2382] ............................................................................................................40-425
FAILURE CODE [CA2383] ............................................................................................................40-427
FAILURE CODE [CA2386] ............................................................................................................40-429
FAILURE CODE [CA2387] ............................................................................................................40-431
FAILURE CODE [CA2555] ............................................................................................................40-432
FAILURE CODE [CA2556] ............................................................................................................40-435
FAILURE CODE [CA2637] ............................................................................................................40-437
FAILURE CODE [CA2639] ............................................................................................................40-439
FAILURE CODE [CA2732] ............................................................................................................40-442
FAILURE CODE [CA2733] ............................................................................................................40-444
FAILURE CODE [CA2741] ............................................................................................................40-446
FAILURE CODE [CA2765] ............................................................................................................40-447
FAILURE CODE [CA2771] ............................................................................................................40-448
FAILURE CODE [CA2777] ............................................................................................................40-454
FAILURE CODE [CA2878] ............................................................................................................40-457
FAILURE CODE [CA2881] ............................................................................................................40-460
FAILURE CODE [CA2976] ............................................................................................................40-463
FAILURE CODE [CA3133] ............................................................................................................40-465
FAILURE CODE [CA3134] ............................................................................................................40-467
FAILURE CODE [CA3135] ............................................................................................................40-469
FAILURE CODE [CA3142] ............................................................................................................40-472
FAILURE CODE [CA3143] ............................................................................................................40-473
FAILURE CODE [CA3144] ............................................................................................................40-474
FAILURE CODE [CA3146] ............................................................................................................40-476
FAILURE CODE [CA3147] ............................................................................................................40-477
FAILURE CODE [CA3148] ............................................................................................................40-478
FAILURE CODE [CA3151] ............................................................................................................40-480
FAILURE CODE [CA3165] ............................................................................................................40-486
FAILURE CODE [CA3167] ............................................................................................................40-488
FAILURE CODE [CA3229] ............................................................................................................40-491
FAILURE CODE [CA3231] ............................................................................................................40-493
FAILURE CODE [CA3232] ............................................................................................................40-495
FAILURE CODE [CA3235] ............................................................................................................40-499
FAILURE CODE [CA3239] ............................................................................................................40-501
FAILURE CODE [CA3241] ............................................................................................................40-504
FAILURE CODE [CA3242] ............................................................................................................40-507
FAILURE CODE [CA3251] ............................................................................................................40-510
FAILURE CODE [CA3253] ............................................................................................................40-512
FAILURE CODE [CA3254] ............................................................................................................40-515
FAILURE CODE [CA3255] ............................................................................................................40-518
FAILURE CODE [CA3256] ............................................................................................................40-522
FAILURE CODE [CA3311] ............................................................................................................40-524
FAILURE CODE [CA3312] ............................................................................................................40-526
FAILURE CODE [CA3313] ............................................................................................................40-529
FAILURE CODE [CA3314] ............................................................................................................40-531
FAILURE CODE [CA3315] ............................................................................................................40-532
FAILURE CODE [CA3316] ............................................................................................................40-535
FAILURE CODE [CA3317] ............................................................................................................40-537
FAILURE CODE [CA3318] ............................................................................................................40-538
FAILURE CODE [CA3319] ............................................................................................................40-540
FAILURE CODE [CA3321] ............................................................................................................40-541
FAILURE CODE [CA3322] ............................................................................................................40-543
FAILURE CODE [CA3419] ............................................................................................................40-546
FAILURE CODE [CA3421] ............................................................................................................40-548
INDEX 00 INDEX AND FOREWORD
00-8 PC490LCI-11
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FAILURE CODE [CA3497] ............................................................................................................40-550
FAILURE CODE [CA3498] ............................................................................................................40-551
FAILURE CODE [CA3543] ............................................................................................................40-552
FAILURE CODE [CA3545] ............................................................................................................40-558
FAILURE CODE [CA3547] ............................................................................................................40-560
FAILURE CODE [CA3558] ............................................................................................................40-561
FAILURE CODE [CA3559] ............................................................................................................40-563
FAILURE CODE [CA3562] ............................................................................................................40-565
FAILURE CODE [CA3563] ............................................................................................................40-567
FAILURE CODE [CA3567] ............................................................................................................40-570
FAILURE CODE [CA3568] ............................................................................................................40-573
FAILURE CODE [CA3571] ............................................................................................................40-577
FAILURE CODE [CA3572] ............................................................................................................40-579
FAILURE CODE [CA3574] ............................................................................................................40-581
FAILURE CODE [CA3575] ............................................................................................................40-583
FAILURE CODE [CA3577] ............................................................................................................40-585
FAILURE CODE [CA3578] ............................................................................................................40-587
FAILURE CODE [CA3582] ............................................................................................................40-589
FAILURE CODE [CA3583] ............................................................................................................40-595
FAILURE CODE [CA3596] ............................................................................................................40-597
FAILURE CODE [CA3649] ............................................................................................................40-599
FAILURE CODE [CA3681] ............................................................................................................40-601
FAILURE CODE [CA3682] ............................................................................................................40-606
FAILURE CODE [CA3713] ............................................................................................................40-612
FAILURE CODE [CA3717] ............................................................................................................40-615
FAILURE CODE [CA3718] ............................................................................................................40-616
FAILURE CODE [CA3725] ............................................................................................................40-617
FAILURE CODE [CA3748] ............................................................................................................40-620
FAILURE CODE [CA3751] ............................................................................................................40-622
FAILURE CODE [CA3755] ............................................................................................................40-624
FAILURE CODE [CA3866] ............................................................................................................40-626
FAILURE CODE [CA3867] ............................................................................................................40-629
FAILURE CODE [CA3868] ............................................................................................................40-632
FAILURE CODE [CA3899] ............................................................................................................40-636
FAILURE CODE [CA3911] ............................................................................................................40-638
FAILURE CODE [CA3912] ............................................................................................................40-642
FAILURE CODE [CA3932] ............................................................................................................40-644
FAILURE CODE [CA3933] ............................................................................................................40-646
FAILURE CODE [CA3934] ............................................................................................................40-648
FAILURE CODE [CA3935] ............................................................................................................40-651
FAILURE CODE [CA3936] ............................................................................................................40-653
FAILURE CODE [CA4151] ............................................................................................................40-655
FAILURE CODE [CA4152] ............................................................................................................40-659
FAILURE CODE [CA4155] ............................................................................................................40-663
FAILURE CODE [CA4156] ............................................................................................................40-665
FAILURE CODE [CA4157] ............................................................................................................40-668
FAILURE CODE [CA4158] ............................................................................................................40-670
FAILURE CODE [CA4159] ............................................................................................................40-671
FAILURE CODE [CA4161] ............................................................................................................40-672
FAILURE CODE [CA4162] ............................................................................................................40-675
FAILURE CODE [CA4163] ............................................................................................................40-678
FAILURE CODE [CA4164] ............................................................................................................40-680
FAILURE CODE [CA4165] ............................................................................................................40-682
FAILURE CODE [CA4166] ............................................................................................................40-684
FAILURE CODE [CA4168] ............................................................................................................40-686
FAILURE CODE [CA4169] ............................................................................................................40-689
FAILURE CODE [CA4171] ............................................................................................................40-691
FAILURE CODE [CA4249] ............................................................................................................40-694
00 INDEX AND FOREWORD INDEX
PC490LCI-11 00-9

FAILURE CODE [CA4251] ............................................................................................................40-696
FAILURE CODE [CA4259] ............................................................................................................40-698
FAILURE CODE [CA4261] ............................................................................................................40-700
FAILURE CODE [CA4277] ............................................................................................................40-703
FAILURE CODE [CA4281] ............................................................................................................40-706
FAILURE CODE [CA4459] ............................................................................................................40-709
FAILURE CODE [CA4461] ............................................................................................................40-712
FAILURE CODE [CA4658] ............................................................................................................40-715
FAILURE CODE [CA4731] ............................................................................................................40-719
FAILURE CODE [CA4732] ............................................................................................................40-720
FAILURE CODE [CA4739] ............................................................................................................40-721
FAILURE CODE [CA4768] ............................................................................................................40-722
FAILURE CODE [CA4769] ............................................................................................................40-724
FAILURE CODE [CA4842] ............................................................................................................40-727
FAILURE CODE [CA4952] ............................................................................................................40-730
FAILURE CODE [CA5115] ............................................................................................................40-732
FAILURE CODE [CA5179] ............................................................................................................40-735
FAILURE CODE [CA5181] ............................................................................................................40-737
FAILURE CODE [CA5383] ............................................................................................................40-739
FAILURE CODE [D110KB]............................................................................................................40-741
FAILURE CODE [D19JKZ] ............................................................................................................40-743
FAILURE CODE [D811MC] ...........................................................................................................40-746
FAILURE CODE [D862KA]............................................................................................................40-747
FAILURE CODE [D8ALKA] ...........................................................................................................40-748
FAILURE CODE [D8ALKB] ...........................................................................................................40-750
FAILURE CODE [D8AQKR] ..........................................................................................................40-752
FAILURE CODE [DA20MC] ..........................................................................................................40-754
FAILURE CODE [DA22KK] ...........................................................................................................40-755
FAILURE CODE [DA25KP] ...........................................................................................................40-757
FAILURE CODE [DA29KQ]...........................................................................................................40-759
FAILURE CODE [DA2LKA] ...........................................................................................................40-761
FAILURE CODE [DA2LKB] ...........................................................................................................40-763
FAILURE CODE [DA2QKR] ..........................................................................................................40-765
FAILURE CODE [DA2RKR] ..........................................................................................................40-768
FAILURE CODE [DAF0MB] ..........................................................................................................40-770
FAILURE CODE [DAF0MC] ..........................................................................................................40-771
FAILURE CODE [DAF8KB] ...........................................................................................................40-772
FAILURE CODE [DAF9KQ]...........................................................................................................40-774
FAILURE CODE [DAFGMC] .........................................................................................................40-775
FAILURE CODE [DAFLKA] ...........................................................................................................40-776
FAILURE CODE [DAFLKB] ...........................................................................................................40-778
FAILURE CODE [DAFQKR] ..........................................................................................................40-780
FAILURE CODE [DAZ9KQ]...........................................................................................................40-781
FAILURE CODE [DAZQKR] ..........................................................................................................40-782
FAILURE CODE [DB2QKR] ..........................................................................................................40-787
FAILURE CODE [DB2RKR] ..........................................................................................................40-792
FAILURE CODE [DB90MC] ..........................................................................................................40-797
FAILURE CODE [DB92KK] ...........................................................................................................40-798
FAILURE CODE [DB95KP] ...........................................................................................................40-800
FAILURE CODE [DB96KP] ...........................................................................................................40-804
FAILURE CODE [DB99KQ]...........................................................................................................40-808
FAILURE CODE [DB9LKA] ...........................................................................................................40-813
FAILURE CODE [DB9LKB] ...........................................................................................................40-815
FAILURE CODE [DB9QKR] ..........................................................................................................40-817
FAILURE CODE [DB9RKR] ..........................................................................................................40-824
FAILURE CODE [DBR0MC]..........................................................................................................40-830
FAILURE CODE [DBR2KK]...........................................................................................................40-831
FAILURE CODE [DBR5KP]...........................................................................................................40-834
INDEX 00 INDEX AND FOREWORD
00-10 PC490LCI-11

FAILURE CODE [DBR6KP]...........................................................................................................40-836
FAILURE CODE [DBR9KQ] ..........................................................................................................40-838
FAILURE CODE [DBRLKA]...........................................................................................................40-843
FAILURE CODE [DBRLKB]...........................................................................................................40-845
FAILURE CODE [DBRQKR]..........................................................................................................40-847
FAILURE CODE [DBRRKR]..........................................................................................................40-854
FAILURE CODE [DBRSKB] ..........................................................................................................40-860
FAILURE CODE [DBRTKB] ..........................................................................................................40-862
FAILURE CODE [DBUSKR] ..........................................................................................................40-864
FAILURE CODE [DD20MA] ..........................................................................................................40-868
FAILURE CODE [DDNRKA]..........................................................................................................40-871
FAILURE CODE [DDNRKY]..........................................................................................................40-873
FAILURE CODE [DDNS00]...........................................................................................................40-875
FAILURE CODE [DGH2KA] ..........................................................................................................40-877
FAILURE CODE [DGH2KB] ..........................................................................................................40-879
FAILURE CODE [DHA4KA]...........................................................................................................40-881
FAILURE CODE [DHAAMA]..........................................................................................................40-883
FAILURE CODE [DHACMA] .........................................................................................................40-885
FAILURE CODE [DHPAMA] ..........................................................................................................40-887
FAILURE CODE [DHPBMA]..........................................................................................................40-890
FAILURE CODE [DHS3MA] ..........................................................................................................40-893
FAILURE CODE [DHS4MA] ..........................................................................................................40-896
FAILURE CODE [DHS8MA] ..........................................................................................................40-899
FAILURE CODE [DHS9MA] ..........................................................................................................40-902
FAILURE CODE [DHSAMA]..........................................................................................................40-905
FAILURE CODE [DHSBMA]..........................................................................................................40-908
FAILURE CODE [DHSCMA] .........................................................................................................40-911
FAILURE CODE [DHSDMA] .........................................................................................................40-914
FAILURE CODE [DHSFMA]..........................................................................................................40-917
FAILURE CODE [DHSGMA] .........................................................................................................40-920
FAILURE CODE [DHSHMA] .........................................................................................................40-923
FAILURE CODE [DHSJMA] ..........................................................................................................40-926
FAILURE CODE [DK80KM]...........................................................................................................40-929
FAILURE CODE [DK80KR] ...........................................................................................................40-930
FAILURE CODE [DK80KT] ...........................................................................................................40-936
FAILURE CODE [DKG1KM]..........................................................................................................40-937
FAILURE CODE [DKG1L8] ...........................................................................................................40-938
FAILURE CODE [DKR0MA] ..........................................................................................................40-939
FAILURE CODE [DKR1MA] ..........................................................................................................40-942
FAILURE CODE [DKT0KM] ..........................................................................................................40-945
FAILURE CODE [DKT0L8]............................................................................................................40-946
FAILURE CODE [DKT1KA] ...........................................................................................................40-947
FAILURE CODE [DKT1KB] ...........................................................................................................40-949
FAILURE CODE [DKT2KA] ...........................................................................................................40-951
FAILURE CODE [DKT2KB] ...........................................................................................................40-953
FAILURE CODE [DKT4KM] ..........................................................................................................40-955
FAILURE CODE [DKT4L8]............................................................................................................40-956
FAILURE CODE [DKT5KA] ...........................................................................................................40-957
FAILURE CODE [DKT5KB] ...........................................................................................................40-959
FAILURE CODE [DKT6KA] ...........................................................................................................40-961
FAILURE CODE [DKT6KB] ...........................................................................................................40-963
FAILURE CODE [DKT8KA] ...........................................................................................................40-965
FAILURE CODE [DKT8KB] ...........................................................................................................40-967
FAILURE CODE [DKT9KA] ...........................................................................................................40-969
FAILURE CODE [DKT9KB] ...........................................................................................................40-971
FAILURE CODE [DKTAKA]...........................................................................................................40-973
FAILURE CODE [DKTAKB]...........................................................................................................40-975
FAILURE CODE [DKTAMB] ..........................................................................................................40-977
00 INDEX AND FOREWORD INDEX
PC490LCI-11 00-11

FAILURE CODE [DKTBKX]...........................................................................................................40-978
FAILURE CODE [DKTBMC]..........................................................................................................40-980
FAILURE CODE [DKTEMB] ..........................................................................................................40-981
FAILURE CODE [DKTFKX]...........................................................................................................40-983
FAILURE CODE [DKTFMC] ..........................................................................................................40-985
FAILURE CODE [DKTJMB]...........................................................................................................40-986
FAILURE CODE [DKU1MA] ..........................................................................................................40-988
FAILURE CODE [DKU2MA] ..........................................................................................................40-989
FAILURE CODE [DKUGKA]..........................................................................................................40-990
FAILURE CODE [DKUGKB]..........................................................................................................40-992
FAILURE CODE [DKUGKY]..........................................................................................................40-994
FAILURE CODE [DKUHKA] ..........................................................................................................40-996
FAILURE CODE [DKUHKB] ..........................................................................................................40-998
FAILURE CODE [DKUHKY] ........................................................................................................40-1000
FAILURE CODE [DKULKA].........................................................................................................40-1002
FAILURE CODE [DKULKB].........................................................................................................40-1004
FAILURE CODE [DKULKY].........................................................................................................40-1006
FAILURE CODE [DKV0KA].........................................................................................................40-1007
FAILURE CODE [DKV0KY].........................................................................................................40-1010
FAILURE CODE [DKV1KA].........................................................................................................40-1012
FAILURE CODE [DKV1KY].........................................................................................................40-1014
FAILURE CODE [DKV2KA].........................................................................................................40-1016
FAILURE CODE [DKV2KY].........................................................................................................40-1018
FAILURE CODE [DKV3KA].........................................................................................................40-1020
FAILURE CODE [DKV3KY].........................................................................................................40-1022
FAILURE CODE [DKV4MA] ........................................................................................................40-1024
FAILURE CODE [DKV5MA] ........................................................................................................40-1027
FAILURE CODE [DKV6MA] ........................................................................................................40-1030
FAILURE CODE [DKV7MA] ........................................................................................................40-1033
FAILURE CODE [DKV8MA] ........................................................................................................40-1036
FAILURE CODE [DKV9MA] ........................................................................................................40-1039
FAILURE CODE [DKVAMA] ........................................................................................................40-1042
FAILURE CODE [DKVBKA] ........................................................................................................40-1045
FAILURE CODE [DKVBKB] ........................................................................................................40-1047
FAILURE CODE [DKVBKY] ........................................................................................................40-1049
FAILURE CODE [DKVCKA] ........................................................................................................40-1051
FAILURE CODE [DKVCKB] ........................................................................................................40-1053
FAILURE CODE [DKVCKY] ........................................................................................................40-1055
FAILURE CODE [DKVDKA] ........................................................................................................40-1057
FAILURE CODE [DKVDKB] ........................................................................................................40-1059
FAILURE CODE [DKVDKY] ........................................................................................................40-1061
FAILURE CODE [DKVDMA]........................................................................................................40-1063
FAILURE CODE [DLM3KA].........................................................................................................40-1064
FAILURE CODE [DLM3KB].........................................................................................................40-1066
FAILURE CODE [DLM3MB] ........................................................................................................40-1068
FAILURE CODE [DR21KX] .........................................................................................................40-1069
FAILURE CODE [DR31KX] .........................................................................................................40-1071
FAILURE CODE [DV20KB] .........................................................................................................40-1073
FAILURE CODE [DW43KA] ........................................................................................................40-1075
FAILURE CODE [DW43KB] ........................................................................................................40-1077
FAILURE CODE [DW43KY] ........................................................................................................40-1079
FAILURE CODE [DW45KA] ........................................................................................................40-1081
FAILURE CODE [DW45KB] ........................................................................................................40-1084
FAILURE CODE [DW45KY] ........................................................................................................40-1087
FAILURE CODE [DW4CKY]........................................................................................................40-1089
FAILURE CODE [DW4FKA] ........................................................................................................40-1090
FAILURE CODE [DW4FKB] ........................................................................................................40-1093
FAILURE CODE [DW4FKY] ........................................................................................................40-1095
INDEX 00 INDEX AND FOREWORD
00-12 PC490LCI-11

FAILURE CODE [DW4GKA] .......................................................................................................40-1097
FAILURE CODE [DW4GKB] .......................................................................................................40-1100
FAILURE CODE [DW4GKY] .......................................................................................................40-1102
FAILURE CODE [DW4SKA]........................................................................................................40-1104
FAILURE CODE [DW4SKB]........................................................................................................40-1106
FAILURE CODE [DW4SKY]........................................................................................................40-1108
FAILURE CODE [DW7BKA]........................................................................................................ 40-1110
FAILURE CODE [DW7BKB]........................................................................................................ 40-1112
FAILURE CODE [DW7BKY]........................................................................................................ 40-1113
FAILURE CODE [DW91KA] ........................................................................................................ 40-1114
FAILURE CODE [DW91KB] ........................................................................................................ 40-1116
FAILURE CODE [DW91KY] ........................................................................................................ 40-1118
FAILURE CODE [DWA2KA] ........................................................................................................40-1120
FAILURE CODE [DWA2KB] ........................................................................................................40-1122
FAILURE CODE [DWA2KY] ........................................................................................................40-1124
FAILURE CODE [DWK0KA]........................................................................................................40-1126
FAILURE CODE [DWK0KB]........................................................................................................40-1128
FAILURE CODE [DWK0KY]........................................................................................................40-1130
FAILURE CODE [DWK2KA]........................................................................................................40-1132
FAILURE CODE [DWK2KB]........................................................................................................40-1134
FAILURE CODE [DWK2KY]........................................................................................................40-1136
FAILURE CODE [DWK8KA]........................................................................................................40-1138
FAILURE CODE [DWK8KB]........................................................................................................40-1140
FAILURE CODE [DWK8KY]........................................................................................................40-1142
FAILURE CODE [DX16KA] .........................................................................................................40-1144
FAILURE CODE [DX16KB] .........................................................................................................40-1146
FAILURE CODE [DXA8KA].........................................................................................................40-1148
FAILURE CODE [DXA8KB].........................................................................................................40-1150
FAILURE CODE [DXA9KA].........................................................................................................40-1151
FAILURE CODE [DXA9KB].........................................................................................................40-1153
FAILURE CODE [DXE0KA].........................................................................................................40-1155
FAILURE CODE [DXE0KB].........................................................................................................40-1157
FAILURE CODE [DXE4KA].........................................................................................................40-1159
FAILURE CODE [DXE4KB].........................................................................................................40-1161
FAILURE CODE [DXE4KY].........................................................................................................40-1163
FAILURE CODE [DXE5KA].........................................................................................................40-1165
FAILURE CODE [DXE5KB].........................................................................................................40-1167
FAILURE CODE [DXE6KA].........................................................................................................40-1169
FAILURE CODE [DXE6KB].........................................................................................................40-1171
FAILURE CODE [DXE7KA].........................................................................................................40-1173
FAILURE CODE [DXE7KB].........................................................................................................40-1175
FAILURE CODE [DXE7KY].........................................................................................................40-1177
FAILURE CODE [DXE8KA].........................................................................................................40-1179
FAILURE CODE [DXE8KB].........................................................................................................40-1181
FAILURE CODE [DXE8KY].........................................................................................................40-1183
FAILURE CODE [DXE9KA].........................................................................................................40-1185
FAILURE CODE [DXE9KB].........................................................................................................40-1187
FAILURE CODE [DXE9KY].........................................................................................................40-1189
FAILURE CODE [DXEAKA] ........................................................................................................40-1191
FAILURE CODE [DXEAKB] ........................................................................................................40-1193
FAILURE CODE [DXEAKY] ........................................................................................................40-1195
FAILURE CODE [DY20KA] .........................................................................................................40-1197
FAILURE CODE [DY20MA].........................................................................................................40-1199
FAILURE CODE [DY2CKB].........................................................................................................40-1201
FAILURE CODE [DY2DKB].........................................................................................................40-1204
FAILURE CODE [DY2EKB].........................................................................................................40-1206
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E-MODE) .........................................................40-1208
E-1 ENGINE DOES NOT START (ENGINE DOES NOT CRANK) ..............................................40-1208
00 INDEX AND FOREWORD INDEX
PC490LCI-11 00-13

E-2 MANUAL PREHEATING SYSTEM DOES NOT WORK........................................................40-1214
E-3 AUTOMATIC PREHEATING SYSTEM DOES NOT WORK ..................................................40-1217
E-4 WHILE PREHEATING IS WORKING, PREHEATING MONITOR DOES NOT LIGHT UP.....40-1219
E-5 WHEN STARTING SWITCH IS TURNED TO ON POSITION, MACHINE MONITOR DISPLAYS
NOTHING................................................................................................................................40-1221
E-6 WHILE STARTING SWITCH IS TURNED TO ON POSITION (WITH ENGINE STOPPED), EN-
GINE OIL LEVEL MONITOR LIGHTS UP IN YELLOW ...........................................................40-1224
E-7 WHILE STARTING SWITCH IS TURNED TO ON POSITION (WITH ENGINE STOPPED), RADIA-
TOR COOLANT LEVEL MONITOR LIGHTS UP IN YELLOW .................................................40-1225
E-8 ENGINE COOLANT TEMPERATURE MONITOR LIGHTS UP IN WHITE WHILE ENGINE IS RUN-
NING .......................................................................................................................................40-1226
E-9 HYDRAULIC OIL TEMPERATURE MONITOR LIGHTS UP IN WHITE WHILE ENGINE IS RUN-
NING .......................................................................................................................................40-1227
E-10 AIR CLEANER CLOGGING MONITOR LIGHTS UP IN YELLOW WHILE ENGINE IS RUNNING...
................................................................................................................................................40-1228
E-11 CHARGE LEVEL MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING..............40-1229
E-12 FUEL LEVEL MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING....................40-1230
E-13 ENGINE COOLANT TEMPERATURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUN-
NING .......................................................................................................................................40-1231
E-14 ENGINE OIL PRESSURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING 40-1232
E-15 HYDRAULIC OIL TEMPERATURE MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUN-
NING .......................................................................................................................................40-1233
E-16 FUEL GAUGE DISPLAY DOES NOT MOVE FROM MINIMUM OR MAXIMUM .................40-1234
E-17 DISPLAY OF FUEL GAUGE DIFFERS FROM ACTUAL FUEL LEVEL...............................40-1236
E-18 ENGINE COOLANT TEMPERATURE GAUGE DISPLAY DOES NOT MOVE FROM MINIMUM
OR MAXIMUM.........................................................................................................................40-1237
E-19 DISPLAY OF ENGINE COOLANT TEMPERATURE GAUGE DIFFERS FROM ACTUAL COOL-
ANT TEMPERATURE..............................................................................................................40-1238
E-20 HYDRAULIC OIL TEMPERATURE GAUGE DISPLAY DOES NOT MOVE FROM MINIMUM OR
MAXIMUM ...............................................................................................................................40-1239
E-21 DISPLAY OF HYDRAULIC OIL TEMPERATURE GAUGE DIFFERS FROM ACTUAL OIL TEM-
PERATURE .............................................................................................................................40-1241
E-22 SOME AREAS OF MACHINE MONITOR SCREEN ARE NOT DISPLAYED ......................40-1242
E-23 FUNCTION SWITCH DOES NOT OPERATE .....................................................................40-1243
E-24 AUTOMATIC WARM-UP SYSTEM DOES NOT WORK (IN COLD WEATHER)..................40-1244
E-25 WHEN AUTO-DECELERATOR SWITCH IS OPERATED, AUTO-DECELERATOR MONITOR
DOES NOT LIGHT UP OR DOES NOT GO OFF ....................................................................40-1245
E-26 AUTO-DECELERATOR IS NOT OPERATED OR CANCELED WITH LEVER ....................40-1246
E-27 WHEN WORKING MODE SWITCH IS OPERATED, WORKING MODE SELECTION SCREEN IS
NOT DISPLAYED ....................................................................................................................40-1247
E-28 WHEN WORKING MODE IS CHANGED, SETTING OF ENGINE AND HYDRAULIC PUMP IS
NOT CHANGED......................................................................................................................40-1248
E-29 WHEN TRAVEL SPEED SWITCH IS OPERATED, TRAVEL SPEED MONITOR DOES NOT
CHANGE.................................................................................................................................40-1249
E-30 WHEN TRAVEL SPEED SELECTION IS CHANGED, ACTUAL TRAVEL SPEED DOES NOT
CHANGE.................................................................................................................................40-1250
E-31 ALARM BUZZER CANNOT BE CANCELED ......................................................................40-1252
E-32 SERVICE METER IS NOT DISPLAYED, WHILE STARTING SWITCH IS IN OFF POSITION.........
................................................................................................................................................40-1253
E-33 SERVICE MODE CANNOT BE SELECTED.......................................................................40-1254
E-34 ALL OF WORK EQUIPMENTS, SWING, AND TRAVEL MECHANISM DO NOT MOVE ....40-1255
E-35 ALL OF WORK EQUIPMENT, SWING, AND TRAVEL MECHANISM DO NOT LOCK........40-1257
E-36 WHEN SWING BRAKE CANCEL SWITCH IS SET TO CANCEL POSITION, MACHINE CANNOT
SWING ....................................................................................................................................40-1258
E-37 WHEN SWING BRAKE CANCEL SWITCH IS SET TO NORMAL POSITION, SWING HOLDING
BRAKE DOES NOT OPERATE ...............................................................................................40-1261
E-38 ONE-TOUCH POWER MAXIMIZING FUNCTION DOES NOT OPERATE PROPERLY, OR INDI-
CATOR NOT DISPLAYED ON MONITOR ...............................................................................40-1263
INDEX 00 INDEX AND FOREWORD
00-14 PC490LCI-11

E-39 ONE-TOUCH POWER MAXIMIZING FUNCTION IS NOT CANCELLED ...........................40-1265
E-40 ALARM DOES NOT SOUND DURING TRAVEL ................................................................40-1266
E-41 ALARM DOES NOT STOP SOUNDING WHILE MACHINE IS STOPPED..........................40-1268
E-42 HORN DOES NOT SOUND................................................................................................40-1269
E-43 HORN DOES NOT STOP SOUNDING...............................................................................40-1273
E-44 WHEN WIPER SWITCH IS OPERATED, WIPER MONITOR DOES NOT LIGHT UP OR GO OFF.
................................................................................................................................................40-1275
E-45 WHEN WIPER SWITCH IS OPERATED, WINDSHIELD WIPER DOES NOT OPERATE...40-1276
E-46 WHEN WINDOW WASHER SWITCH IS OPERATED, WINDOW WASHER DOES NOT OPER-
ATE .........................................................................................................................................40-1278
E-47 BOOM RAISE INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION ...
................................................................................................................................................40-1279
E-48 BOOM LOWER INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION .
................................................................................................................................................40-1280
E-49 ARM OUT INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION..........
................................................................................................................................................40-1281
E-50 ARM IN INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION 40-1282
E-51 BUCKET DUMP INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION
................................................................................................................................................40-1283
E-52 BUCKET CURL INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION.
................................................................................................................................................40-1284
E-53 SWING INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION.40-1285
E-54 TRAVEL INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION40-1286
E-55 SERVICE INDICATOR IS NOT DISPLAYED PROPERLY WITH MONITORING FUNCTION ..........
................................................................................................................................................40-1287
E-56 ATTACHMENT HYDRAULIC CIRCUIT CANNOT BE CHANGED.......................................40-1289
E-57 KOMTRAX SYSTEM DOES NOT OPERATE NORMALLY .................................................40-1290
E-58 MACHINE PUSH-UP FUNCTION CANNOT BE CANCELED .............................................40-1291
E-59 MACHINE PUSH-UP FUNCTION DOES NOT OPERATE..................................................40-1293
E-60 CONTROL BOX SHUTS DOWN AFTER DISPLAYING THE MESSAGES [GPS receiver not con-
nected !] AND [Slope sensor not connected !] .........................................................................40-1294
E-61 CONTROL BOX DISPLAYS THE MESSAGE [GPS receiver not connected!] .....................40-1299
E-62 CONTROL BOX DISPLAYS THE MESSAGE [Waiting for radio link...] ...............................40-1303
E-63 CONTROL BOX DISPLAYS THE MESSAGE [Tilt Bucket Sensor Offline!] .........................40-1304
E-64 CONTROL BOX DISPLAYS THE MESSAGE [Waiting for satellites...]................................40-1305
E-65 CONTROL BOX DISPLAYS THE MESSAGE [Komatsu controller not connected!] ............40-1306
E-66 CONTROL BOX DISPLAYS THE MESSAGE [Sensors are invalid] ....................................40-1310
E-67 CONTROL BOX DISPLAYS THE MESSAGE [Waiting to initialize....] .................................40-1313
E-68 CONTROL BOX DISPLAYS THE MESSAGE [Initializing....]...............................................40-1314
E-69 CONTROL BOX DISPLAYS THE MESSAGE [No GPS Localization...]...............................40-1315
E-70 CONTROL BOX DISPLAYS THE MESSAGE [Low precisions...]........................................40-1316
E-71 CONTROL BOX DISPLAYS [Out of design area...].............................................................40-1317
E-72 CONTROL BOX DISPLAYS THE MESSAGE [Avoidance Area Breach!] ............................40-1318
E-73 CONTROL BOX CAN NOT BE TURNED ON.....................................................................40-1319
E-74 CONTROL BOX DOES NOT DISPLAY INTELLIGENT MACHINE CONTROL SCREEN ...40-1320
E-75 CONTROL BOX DOES NOT DISPLAY HYDRAULIC EXCAVATOR IMAGE.......................40-1321
E-76 CONTROL BOX DOES NOT DISPLAY DESIGN SURFACE ..............................................40-1322
E-77 CONTROL BOX TOUCH PANEL DOES NOT RESPOND..................................................40-1323
E-78 CONTROL BOX TOUCH PANEL IS INACCURATE............................................................40-1324
E-79 WHEN CHECKING AND ADJUSTING THE BUCKET EDGE POSITION, THE VALUE IS DIFFER-
ENT FROM ACTUAL MACHINE .............................................................................................40-1325
E-80 SEMI-AUTO MODE IS NOT DISPLAYED WHEN AUTO/MANUAL SWITCH IS PRESSED40-1327
E-81 AUTO GRADE ASSIST CONTROL DOES NOT OPERATE WHILE SEMI-AUTO MODE IS DIS-
PLAYED ..................................................................................................................................40-1328
E-82 AUTO STOP CONTROL DOES NOT OPERATE WHILE SEMI-AUTO MODE IS DISPLAYED........
................................................................................................................................................40-1329
E-83 BLADE EDGE POSITION ON DESIGN SURFACE IS NOT ACCURATE WHEN AUTO GRADE
ASSIST FUNCTION IS ON......................................................................................................40-1330
00 INDEX AND FOREWORD INDEX
PC490LCI-11 00-15

E-84 BLADE EDGE STOP POSITION IS NOT ACCURATE FOR DESIGN SURFACE WHEN AUTO
STOP CONTROL FUNCTION IS ON ......................................................................................40-1332
E-85 FACING ANGLE COMPASS DOES NOT BECOME PERPENDICULAR TO TARGET .......40-1334
E-86 NG OCCURS VERY OFTEN IN IMU CALIBRATION DIAGNOSIS .....................................40-1335
E-87 CUSHION FOR ARM IN END DOES NOT WORK OR IS WEAK .......................................40-1336
TROUBLESHOOTING FOR HYDRAULIC AND MECHANICAL SYSTEMS (H MODE) .....................40-1339
INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (H MODE)...............................40-1339
FAILURE MODE AND CAUSE TABLE........................................................................................40-1340
H-1 ALL WORK EQUIPMENT, SWING AND TRAVEL DO NOT WORK......................................40-1348
H-2 ALL WORK EQUIPMENT, SWING AND TRAVEL LACK SPEED AND POWER ..................40-1349
H-3 FINE CONTROL PERFORMANCE OR RESPONSE IS POOR............................................40-1351
H-4 UNUSUAL NOISE IS HEARD FROM AROUND HYDRAULIC PUMP ..................................40-1352
H-5 ENGINE SPEED DROPS LARGELY OR ENGINE STOPS ..................................................40-1353
H-6 SPEED OR POWER OF BOOM IS LOW .............................................................................40-1355
H-7 ARM SPEED OR POWER IS LOW ......................................................................................40-1360
H-8 BUCKET SPEED OR POWER IS LOW................................................................................40-1364
H-9 WORK EQUIPMENT DOES NOT MOVE IN SINGLE OPERATION .....................................40-1367
H-10 HYDRAULIC DRIFT OF BOOM IS LARGE ........................................................................40-1369
H-11 HYDRAULIC DRIFT OF ARM IS LARGE ...........................................................................40-1371
H-12 HYDRAULIC DRIFT OF BUCKET IS LARGE.....................................................................40-1373
H-13 WHEN SINGLE WORK EQUIPMENT IS RELIEVED HYDRAULICALLY, OTHER WORK EQUIP-
MENT MOVES ........................................................................................................................40-1374
H-14 TIME LAG OF WORK EQUIPMENT IS LARGE .................................................................40-1375
H-15 ALL WORK EQUIPMENTS DO NOT OPERATE ................................................................40-1376
H-16 ONE-TOUCH POWER MAXIMIZING FUNCTION DOES NOT OPERATE .........................40-1377
H-17 MACHINE PUSH-UP FUNCTION DOES NOT OPERATE..................................................40-1378
H-18 ATTACHMENT CIRCUIT CANNOT BE CHANGED............................................................40-1379
H-19 OIL FLOW IN ATTACHMENT CIRCUIT CANNOT BE CHANGED .....................................40-1380
H-20 IN COMBINED OPERATION OF WORK EQUIPMENT, EQUIPMENT HAVING HEAVIER LOAD
MOVES SLOWER ...................................................................................................................40-1381
H-21 IN COMBINED OPERATION OF SWING AND TRAVEL, TRAVEL SPEED DROPS LARGELY ......
................................................................................................................................................40-1382
H-22 IN COMBINED OPERATION OF SWING AND BOOM RAISE, BOOM RISING SPEED IS LOW ....
................................................................................................................................................40-1383
H-23 MACHINE DOES NOT TRAVEL STRAIGHT ......................................................................40-1384
H-24 MACHINE IS NOT STEERED WELL OR STEERING POWER IS LOW.............................40-1386
H-25 TRAVEL SPEED IS LOW ...................................................................................................40-1389
H-26 ONE OF TRACKS DOES NOT RUN ..................................................................................40-1391
H-27 TRAVEL SPEED DOES NOT CHANGE, OR TRAVEL SPEED IS TOO SLOW OR FAST ..40-1392
H-28 UPPER STRUCTURE DOES NOT SWING BOTH TO THE RIGHT AND LEFT .................40-1393
H-29 SWINGS ONLY IN ONE DIRECTION.................................................................................40-1394
H-30 SWING ACCELERATION OR SWING SPEED IS LOW IN BOTH DIRECTIONS (RIGHT AND
LEFT) ......................................................................................................................................40-1395
H-31 SWING ACCELERATION PERFORMANCE IS POOR OR SWING SPEED IS SLOW IN ONLY
ONE DIRECTION ....................................................................................................................40-1396
H-32 UPPER STRUCTURE OVERRUNS EXCESSIVELY WHEN IT STOPS SWINGING (BOTH
RIGHT AND LEFT)..................................................................................................................40-1397
H-33 UPPER STRUCTURE OVERRUNS EXCESSIVELY WHEN IT STOPS SWINGING (ONLY ONE
DIRECTION EITHER RIGHT OR LEFT)..................................................................................40-1398
H-34 SHOCK IS LARGE WHEN UPPER STRUCTURE STOPS SWINGING .............................40-1399
H-35 LARGE UNUSUAL NOISE IS HEARD WHEN UPPER STRUCTURE STOPS SWINGING40-1400
H-36 SWING DRIFT ON A SLOPE IS LARGE (WHILE SWING PARKING BRAKE IS APPLIED)40-1401
H-37 SWING DRIFT ON A SLOPE IS LARGE (WHILE SWING PARKING BRAKE IS RELEASED) ........
................................................................................................................................................40-1402
H-38 FAN SPEED IS ABNORMAL (TOO HIGH OR LOW, OR STATIONARY) ............................40-1403
H-39 UNUSUAL NOISE IS HEARD FROM AROUND FAN .........................................................40-1404
TROUBLESHOOTING OF ENGINE (S-MODE) .................................................................................40-1405
INFORMATION MENTIONED IN TROUBLESHOOTING TABLE (S MODE)...............................40-1405
INDEX 00 INDEX AND FOREWORD
00-16 PC490LCI-11

S-1 ENGINE DOES NOT CRANK WHEN STARTING SWITCH IS TURNED TO START POSITION.......
................................................................................................................................................40-1406
S-2 ENGINE CRANKS BUT NO EXHAUST GAS COMES OUT .................................................40-1407
S-3 FUEL IS BEING INJECTED BUT ENGINE DOES NOT START (MISFIRING: ENGINE CRANKS
BUT DOES NOT START) ........................................................................................................40-1408
S-4 ENGINE STARTABILITY IS POOR.......................................................................................40-1409
S-5 ENGINE DOES NOT PICK UP SMOOTHLY ........................................................................40-1411
S-6 ENGINE STOPS DURING OPERATION ..............................................................................40-1413
S-7 ENGINE RUNS ROUGH OR IS UNSTABLE ........................................................................40-1415
S-8 ENGINE LACKS POWER.....................................................................................................40-1416
S-9 KDPF GETS CLOGGED IN A SHORT TIME........................................................................40-1418
S-10 ENGINE OIL CONSUMPTION IS EXCESSIVE ..................................................................40-1420
S-11 OIL BECOMES CONTAMINATED QUICKLY ......................................................................40-1421
S-12 FUEL CONSUMPTION IS EXCESSIVE .............................................................................40-1422
S-13 OIL IS IN COOLANT (OR COOLANT SPURTS BACK OR COOLANT LEVEL GOES DOWN) .......
................................................................................................................................................40-1423
S-14 OIL PRESSURE DROPS ...................................................................................................40-1424
S-15 FUEL MIXES INTO ENGINE OIL........................................................................................40-1426
S-16 WATER MIXES INTO ENGINE OIL (MILKY) ......................................................................40-1427
S-17 COOLANT TEMPERATURE RISES TOO HIGH (OVERHEATING) ....................................40-1428
S-18 UNUSUAL NOISE IS HEARD.............................................................................................40-1429
S-19 VIBRATION IS EXCESSIVE ...............................................................................................40-1430
S-20 AIR CANNOT BE BLED FROM FUEL CIRCUIT.................................................................40-1431
S-21 ACTIVE REGENERATION IS EXECUTED FREQUENTLY ................................................40-1432
S-22 ACTIVE REGENERATION TAKES TIME............................................................................40-1434
S-23 WHITE SMOKE IS EXHAUSTED DURING ACTIVE REGENERATION..............................40-1436
S-24 AdBlue/DEF CONSUMPTION IS EXCESSIVE ...................................................................40-1437
S-25 THERE IS UNUSUAL SMELL (IRRITATING ODOR) ..........................................................40-1439
S-26 FOREIGN MATERIALS ENTER AdBlue/DEF (AdBlue/DEF INCREASES) .........................40-1440
50 DISASSEMBLY AND ASSEMBLY............................................................................................................. 50-1
CONTENTS ............................................................................................................................................ 50-2
ABBREVIATION LIST ............................................................................................................................. 50-8
RELATED INFORMATION ON DISASSEMBLY AND ASSEMBLY ........................................................ 50-13
HOW TO READ THIS MANUAL..................................................................................................... 50-13
COATING MATERIALS LIST.......................................................................................................... 50-15
SPECIAL TOOLS LIST .................................................................................................................. 50-20
SKETCHES OF SPECIAL TOOLS................................................................................................. 50-34
ENGINE AND COOLING SYSTEM....................................................................................................... 50-41
REMOVE AND INSTALL SUPPLY PUMP ASSEMBLY .................................................................. 50-41
REMOVE AND INSTALL INJECTOR ASSEMBLY ......................................................................... 50-56
REMOVE AND INSTALL FUEL DOSER ASSEMBLY .................................................................... 50-72
REMOVE AND INSTALL CYLINDER HEAD ASSEMBLY .............................................................. 50-75
REMOVE AND INSTALL EGR VALVE ASSEMBLY........................................................................ 50-98
REMOVE AND INSTALL EGR COOLER ASSEMBLY...................................................................50-102
REMOVE AND INSTALL STARTING MOTOR ASSEMBLY .......................................................... 50-111
REMOVE AND INSTALL ALTERNATOR BELT .............................................................................50-114
REMOVE AND INSTALL RADIATOR ASSEMBLY ........................................................................50-122
REMOVE AND INSTALL COOLING FAN AND FAN MOTOR ASSEMBLY....................................50-127
REMOVE AND INSTALL HYDRAULIC OIL COOLER ASSEMBLY ...............................................50-136
REMOVE AND INSTALL AFTERCOOLER ASSEMBLY................................................................50-140
REMOVE AND INSTALL ENGINE AND MAIN PUMP ASSEMBLY ...............................................50-146
REMOVE AND INSTALL ENGINE FRONT OIL SEAL ..................................................................50-183
REMOVE AND INSTALL ENGINE REAR OIL SEAL.....................................................................50-190
REMOVE AND INSTALL ENGINE HOOD ASSEMBLY .................................................................50-200
REMOVE AND INSTALL FUEL TANK ASSEMBLY .......................................................................50-217
REMOVE AND INSTALL AdBlue/DEF TANK ASSEMBLY ............................................................50-226
REMOVE AND INSTALL AdBlue/DEF TANK SENSOR FLANGE ASSEMBLY..............................50-237
REMOVE AND INSTALL KDPF ASSEMBLY.................................................................................50-249
00 INDEX AND FOREWORD INDEX
PC490LCI-11 00-17

DISASSEMBLE AND ASSEMBLE OF KDPF ASSEMBLY ............................................................50-258
REMOVE AND INSTALL SCR ASSEMBLY...................................................................................50-271
REMOVE AND INSTALL KDPF, SCR ASSEMBLY........................................................................50-278
REMOVE AND INSTALL KDPF, SCR ASSEMBLY BRACKET ......................................................50-288
REMOVE AND INSTALL KCCV ASSEMBLY ................................................................................50-302
REMOVE AND INSTALL AdBlue/DEF MIXING TUBE ..................................................................50-307
REMOVE AND INSTALL AdBlue/DEF INJECTOR........................................................................50-317
REMOVE AND INSTALL AdBlue/DEF PUMP ...............................................................................50-326
REMOVE AND INSTALL AdBlue/DEF HOSE ...............................................................................50-329
REMOVE AND INSTALL AIR CLEANER ASSEMBLY...................................................................50-343
REMOVE AND INSTALL AIR CONDITIONER COMPRESSOR ASSEMBLY ................................50-347
REMOVE AND INSTALL AIR CONDITIONER CONDENSER ASSEMBLY ...................................50-354
POWER TRAIN....................................................................................................................................50-357
REMOVE AND INSTALL TRAVEL MOTOR AND FINAL DRIVE ASSEMBLY ...............................50-357
DISASSEMBLE AND ASSEMBLE FINAL DRIVE ASSEMBLY......................................................50-359
REMOVE AND INSTALL SWING MOTOR AND SWING MACHINERY ASSEMBLY.....................50-370
DISASSEMBLE AND ASSEMBLE SWING MACHINERY ASSEMBLY .........................................50-373
REMOVE AND INSTALL SWING CIRCLE ASSEMBLY ................................................................50-383
UNDERCARRIAGE AND FRAME........................................................................................................50-385
SEPARATION AND CONNECTION OF TRACK ASSEMBLY........................................................50-385
REMOVE AND INSTALL SPROCKET ..........................................................................................50-390
REMOVE AND INSTALL IDLER AND IDLER CUSHION ASSEMBLY...........................................50-392
DISASSEMBLE AND ASSEMBLE IDLER ASSEMBLY .................................................................50-395
DISASSEMBLE AND ASSEMBLE OF IDLER CUSHION ASSEMBLY ..........................................50-402
DISASSEMBLE AND ASSEMBLE TRACK ROLLER ASSEMBLY ................................................50-408
DISASSEMBLE AND ASSEMBLE CARRIER ROLLER ASSEMBLY ............................................50-414
REMOVE AND INSTALL REVOLVING FRAME ASSEMBLY ........................................................50-419
REMOVE AND INSTALL COUNTERWEIGHT ASSEMBLY...........................................................50-426
HYDRAULIC SYSTEM.........................................................................................................................50-429
REMOVE AND INSTALL CENTER SWIVEL JOINT ASSEMBLY ..................................................50-429
DISASSEMBLE AND ASSEMBLE CENTER SWIVEL JOINT ASSEMBLY ...................................50-433
REMOVE AND INSTALL HYDRAULIC TANK ASSEMBLY............................................................50-436
REMOVE AND INSTALL MAIN PUMP ASSEMBLY ......................................................................50-447
REMOVE AND INSTALL JUNCTION BLOCK ASSEMBLY FOR INTELLIGENT MACHINE CONTROL...
..................................................................................................................................................50-457
REMOVE AND INSTALL PRESSURE SENSOR FOR INTELLIGENT MACHINE CONTROL .......50-462
REMOVE AND INSTALL BOOM SPOOL STROKE SENSOR ......................................................50-466
REMOVE AND INSTALL ARM SPOOL STROKE SENSOR .........................................................50-468
REMOVE AND INSTALL JUNCTION BLOCK BYPASS ADAPTER FOR INTELLIGENT MACHINE
CONTROL.................................................................................................................................50-470
REMOVE AND INSTALL CONTROL VALVE ASSEMBLY .............................................................50-474
DISASSEMBLE AND ASSEMBLE CONTROL VALVE ASSEMBLY ..............................................50-484
DISASSEMBLE AND ASSEMBLE WORK EQUIPMENT PPC VALVE ASSEMBLY ......................50-491
DISASSEMBLE AND ASSEMBLE TRAVEL PPC VALVE ASSEMBLY ..........................................50-494
WORK EQUIPMENT............................................................................................................................50-497
REMOVE AND INSTALL BUCKET ASSEMBLY............................................................................50-497
REMOVE AND INSTALL ARM ASSEMBLY ..................................................................................50-499
REMOVE AND INSTALL WORK EQUIPMENT ASSEMBLY .........................................................50-506
DISASSEMBLE AND ASSEMBLE STROKE SENSING BOOM CYLINDER ASSEMBLY..............50-516
DISASSEMBLE AND ASSEMBLE STROKE SENSING ARM CYLINDER ASSEMBLY ................50-529
DISASSEMBLE AND ASSEMBLE STROKE SENSING BUCKET CYLINDER ASSEMBLY ..........50-544
CAB AND ITS ATTACHMENTS ...........................................................................................................50-561
REMOVE AND INSTALL OPERATOR'S CAB ASSEMBLY ...........................................................50-561
REMOVE AND INSTALL OPERATOR'S CAB GLASS (ADHERED GLASS).................................50-579
REMOVE AND INSTALL FRONT WINDOW ASSEMBLY .............................................................50-591
REMOVE AND INSTALL FLOOR FRAME ASSEMBLY.................................................................50-600
REMOVE AND INSTALL AIR CONDITIONER UNIT ASSEMBLY .................................................50-615
REMOVE AND INSTALL OPERATOR'S SEAT .............................................................................50-628
INDEX 00 INDEX AND FOREWORD
00-18 PC490LCI-11