Hyundai HW65AH User manual

HW65AH
WHEELED EXCAVATOR
SERVICE MANUAL

TABLE OF CONTENT
CONTENTS 2
FOREWORD 4
1. Structure 4
2. How To Read The Service Manual 5
3. Conversion Table 6
SECTION 1 GENERAL 13
Group 1 Safety 13
Group 2 Specifications 21
1. Major Component 21
2. Specifications 22
3. Working Range 24
4. Weight 25
5. Lifting Capacities 26
6. Bucket Selection Guide 42
7. Specifications For Major Components 43
8. Recommended Lubricants 46
SECTION 2 STRUCTURE AND FUNCTION 48
Group 1 Hydraulic Pump 48
1. General 48
2. Principal Components And Functions 49
Group 2 Main Control Valve 53
1. Outline 53
2. Structure (1/4) 55
3. Hydraulic Circuit (boom Swing) 59
4. Function 60
Group 3 Swing Device 75
1. Structure 75
2. Function 78
Group 4 Travel Device 85
1. Construction 85
2. Function 88
Group 5 Rcv Lever 91
1. Structure 91
2. Functions 94
Group 6 Rcv Pedal 98
1. Structure 98
Group 7 Brake Pedal (valve) 99
1. Structure 99
2. Function 100
Group 8 Gear Box 101
1. Structure 101
2. Gear Box Function 102
3. Technical Data 103
Group 9 Axle 104
1. Operation 104
2. Section Of Differential 105
3. Differential 106
4. Final Drive 107
5. Tire And Wheel 109
SECTION 3 HYDRAULIC SYSTEM 110
Group 1 Hydraulic Circuit 111
1. Hydraulic Circuit (1/3) 111
2. Hydraulic Circuit (2/3) 112
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3. Hydraulic Circuit (3/3) 113
Group 2 Main Circuit 114
1. Suction And Delivery Circuit 114
2. Return Circuit 115
3. Drain Circuit 116
Group 3 Pilot Circuit 117
1. Suction, Delivery And Return Circuit 118
2. Safety Valve (safety Lever) 119
3. Travel Speed Control System 120
4. Swing Parking Brake Release 121
Group 4 Single Operation 122
1. Boom Up Operation 122
2. Boom Down Operation 123
3. Arm Roll In Operation 124
4. Arm Roll Out Operation 125
5. Bucket Roll In Operation 126
6. Bucket Roll Out Operation 127
7. Swing Operation 128
8. Travel Forward And Reverse Operation 130
9. Dozer Up Operation 132
10. Dozer Down Operation 133
11. Front And Rear Axle Brake System (service Brake) 134
12. Steering Circuit Operation 135
13. Ram Lock Circuit Operation 136
Group 5 Combined Operation 137
1. Outline 137
2. Combined Swing And Boom Operation 138
3. Combined Swing And Arm Operation 139
4. Combined Swing And Bucket Operation 140
5. Combined Swing, Boom, Arm And Bucket Operation 141
SECTION 4 ELECTRICAL SYSTEM 142
Group 1 Component Location 143
1. Location 1 143
2. Location 2 144
Group 2 Monitoring System 145
Hest Pilot Lamp Dpf Regeneration Inhibit Pilot Lamp Maintenance Pilot Lamp Smart Key Pilot
Lamp (opt) Seat Belt Reminder Warning 155
N/min 156
A) Rotary Setting 167
B) Grapple Setting 168
C) Confifi Fifi Rmation 169
Switch To Activate Rear / Rh View Camera From The Beginning Screen. While In That Mode,
Select The Esc Switch To Return To The H 178
Select 178
Cam Image Control (cic) Mode 178
Rh) Button On Screen To Set Single-view Camera Mode. Touch 178
Touch 178
Rear), 178
(2ch-split-view) Button To Set Split-view Camera Mode. 178
Split-view Camera Order Setting 178
(camera Setting) Button To Set Split-view Camera Order. 178
Touch 178
You Can Change Spilt-view Camera Order On Display Order Menu. 178
Group 3 Electrical Circuit 189
·electrical Circuit (1/3) 189
·electrical Circuit (2/3) 190
Memorandum 192
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1. Power Circuit 193
2. Starting Circuit 195
3. Charging Circuit 197
4. Head Lamp And Work Lamp Circuit 199
5. Beacon Lamp And Cab Lamp Circuit 201
6. Wiper And Washer Circuit 203
Monitoring Circuit 205
Illumination Circuit 206
Combination Lamp Circuit 207
Electric Circuit For Hydraulic 208
Group 4 Electrical Component Specification 209
Group 5 Connectors 218
1. Connector Destination 218
- 220
2 222
2. Connection Table For Connectors 223
Group 6 Fault Codes 237
1. Machine Fault Code 237
SECTION 5 TROUBLESHOOTING 249
Group 1 Before Troubleshooting 250
1. Introduction 250
2. Diagnosing Procedure 251
Group 2 Hydraulic And Mechanical System 253
1. Introduction 253
2. Drive System 254
3. Hydraulic System 256
4. Swing System 258
5. Travel System 262
6. Attachment System 266
Group 3 Electrical System 272
1. When Starting Switch Is Turned On, Monitor Panel Display Does Not Appear 272
2. Battery Charging Warning Lamp Lights Up (starting Switch : On) 273
3. When Coolant Overheat Warning Lamp Lights Up (engine Is Started) 274
4. When Air Cleaner Warning Lamp Lights Up (engine Is Started) 275
5. When Engine Oil Pressure Warning Lamp Lights Up (engine Is Started) 276
6. When Hydraulic Oil Temperature Warning Lamp Lights Up (engine Is Started) 277
7. When Coolant Temperature Gauge Does Not Operate 278
8. When Fuel Gauge Does Not Operate (check Warning Lamp On/off) 279
9. When Safety Solenoid Does Not Operate 280
10. When Starting Switch Is Turned On, Work Lamp Does Not Lights Up 281
11. When Engine Does Not Start 282
12. When Starting Switch On Does Not Operate 283
13. When Starting Switch Is Turned On, Wiper Motor Does Not Operate 284
14. When Starting Switch Is Turned On, Head Lamp Does Not Lights Up 285
Group 4 Axle 286
1. Trouble Shooting 286
Group 5 Air Conditioner And Heater System 289
1. Air Conditioner Does Not Operate 289
SECTION 6 MAINTENANCE STANDARD 293
Group 1 Operational Performance Test 293
1. Purpose 293
2. Terminology 294
3. Operation For Performance Tests 295
Group 2 Major Component 311
1. Main Pump 311
2. Main Control Valve 313
3. Swing Device 314
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4. Travel Motor 315
5. Rcv Lever 317
6. Accelerator Pedal 318
7. Turning Joint 319
8. Cylinder 320
9. Work Equipment 321
SECTION 7 DISASSEMBLY AND ASSEMBLY 323
Group 1 Precautions 323
1. Removal Work 323
323
2. Install Work 324
3. Completing Work 325
Group 2 Tightening Torque 326
1. Major Components 326
2. Torque Chart 327
5. 347
6. 349
Group 4 Main Control Valve 363
1. Removal And Install Of Motor 363
363
2. Structure (1/4) 364
Structure (2/4) 365
Structure (3/4) 366
Structure 367
3. Disassembly And Assembly 368
Group 5 Swing Device 378
1. Removal And Install Of Motor 378
378
2. Disassembly And Assembly Of Swing Motor 379
3. Removal And Install Of Reduction Gear 392
Friction 392
4. Disassembly And Assembly Of Reduction Gear 393
Group 6 Travel Motor 399
1. Removal And Install 399
2. Structure 400
3. Tightening Torque 403
4. Disassembly And Assembly 404
Group 7 Gear Box 423
1. Removal And Install 423
2. Instructions 424
3. Counter Revolution Sensor 425
4. Hydraulic Gear Control 426
5. Integrated Reduction Gear 434
Group 8 Steering Valve 458
1. Removal And Install 458
2. Steering Valve 459
Group 9 Axle 479
1. General Introductions Introduction 479
1) 2) 3) 479
Introductory Statement 479
Maintenance And Repair 479
2. Front Axle 480
4. Rear Axle 563
Group 10 Rcv Lever 623
1. Removal And Install 623
2. Disassembly And Assembly 624
Group 11 Turning Joint 637
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