
CONTENTS FOREWORD
SLOW BLOW FUSE ................................................................................................................. 3-118
AUXILIARY ELECTRIC POWER ............................................................................................... 3-119
OPTIONAL POWER SUPPLY OUTLET ..................................................................................... 3-120
HANDLING RADIO................................................................................................................... 3-121
HANDLING AUTO AIR CONDITIONER...................................................................................... 3-126
HANDLING FRONT WIPER ......................................................................................................3-137
FIRE EXTINGUISHER.............................................................................................................. 3-138
HANDLING REAR VIEW MONITOR .......................................................................................... 3-139
HANDLING Komatsu Diesel Particulate Filter (KDPF).................................................................. 3-140
HANDLING Komatsu Closed Crankcase Ventilation (KCCV) ........................................................ 3-149
HANDLING MACHINES EQUIPPED WITH KOMTRAX ............................................................... 3-150
MACHINE OPERATIONS AND CONTROLS ..................................................................................... 3-152
CHECKS AND ADJUSTMENT BEFORE STARTING ENGINE ..................................................... 3-152
TRANSPORTATION ................................................................................................................. 3-221
COLD WEATHER OPERATION................................................................................................. 3-228
LONG-TERM STORAGE .......................................................................................................... 3-230
TROUBLES AND ACTIONS......................................................................................................3-231
MAINTENANCE ........................................................................................................................................4-1
RULES FOR MAINTENANCE ..............................................................................................................4-2
SERVICE METER READING ........................................................................................................4-2
KOMATSU GENUINE REPLACEMENT PARTS..............................................................................4-2
KOMATSU GENUINE LUBRICANTS .............................................................................................4-2
ALWAYS USE CLEAN WASHER FLUID.........................................................................................4-2
FRESH AND CLEAN LUBRICANTS ..............................................................................................4-2
CHECK DRAINED OIL AND USED FILTER....................................................................................4-2
CAUTION FOR REFILLING OIL OR FUEL .....................................................................................4-2
WELDING INSTRUCTIONS ..........................................................................................................4-2
DO NOT DROP THINGS INSIDE MACHINE...................................................................................4-2
PRECAUTIONS FOR KDPF..........................................................................................................4-2
DUSTY JOBSITES .......................................................................................................................4-2
AVOID MIXING OIL ......................................................................................................................4-3
LOCKING INSPECTION COVERS ................................................................................................4-3
BLEEDING AIR FROM HYDRAULIC CIRCUIT ...............................................................................4-3
PRECAUTIONS WHEN INSTALLING HYDRAULIC HOSES............................................................4-3
CHECKS AFTER INSPECTION AND MAINTENANCE....................................................................4-3
FUEL AND LUBRICANTS TO MATCH THE AMBIENT TEMPERATURE ..........................................4-3
CLOSE ENGINE SIDE COVER SECURELY...................................................................................4-3
OUTLINE OF MAINTENANCE .............................................................................................................4-4
HANDLING OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC ..............................................4-4
HANDLING ELECTRICAL COMPONENTS ....................................................................................4-8
STANDARD TIGHTENING TORQUE FOR BOLTS AND NUTS...............................................................4-9
TIGHTENING TORQUE LIST ........................................................................................................4-9
MAINTENANCE SCHEDULE.............................................................................................................4-10
MAINTENANCE SCHEDULE TABLE...........................................................................................4-10
MAINTENANCE PROCEDURE..........................................................................................................4-12
EVERY 10 HOURS MAINTENANCE (ONLY FOR THE FIRST 50 HOURS)..................................... 4-12
INITIAL 250 HOURS MAINTENANCE (ONLY AFTER THE FIRST 250 HOURS).............................. 4-12
WHEN REQUIRED.....................................................................................................................4-13
CHECKS BEFORE STARTING....................................................................................................4-36
EVERY 50 HOURS MAINTENANCE............................................................................................4-37
EVERY 100 HOURS MAINTENANCE..........................................................................................4-38
EVERY 250 HOURS MAINTENANCE..........................................................................................4-40
EVERY 500 HOURS MAINTENANCE..........................................................................................4-49
EVERY 1000 HOURS MAINTENANCE........................................................................................4-52
EVERY 2000 HOURS MAINTENANCE........................................................................................4-57
EVERY 4000 HOURS MAINTENANCE........................................................................................4-67
EVERY 4500 HOURS MAINTENANCE........................................................................................4-70
EVERY 8000 HOURS MAINTENANCE........................................................................................4-72
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