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ACTIONS WHEN RUNNING OUT OF FUEL ................................................................................. 3-267
PHENOMENA THAT ARE NOT FAILURES ................................................................................... 3-267
PRECAUTIONS FOR TOWING MACHINE .................................................................................... 3-268
PRECAUTIONS FOR SEVERE JOB CONDITION......................................................................... 3-269
PRECAUTIONS FOR DISCHARGED BATTERY ........................................................................... 3-270
OTHER TROUBLE......................................................................................................................... 3-273
MAINTENANCE............................................................................................................................................... 4-1
PRECAUTIONS FOR MAINTENANCE ..................................................................................................... 4-2
CHECK 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
PRECAUTIONS FOR REFILLING OIL OR FUEL .............................................................................. 4-2
PRECAUTIONS FOR ADDING DEF ................................................................................................. 4-2
WELDING INSTRUCTIONS............................................................................................................... 4-2
DO NOT DROP THINGS INSIDE MACHINE ..................................................................................... 4-2
PRECAUTIONS FOR KDPF .............................................................................................................. 4-3
PRECAUTIONS FOR SCR ASSEMBLY ............................................................................................ 4-3
DUSTY JOBSITES............................................................................................................................. 4-3
AVOID MIXING OIL............................................................................................................................ 4-3
LOCK INSPECTION COVERS .......................................................................................................... 4-3
BLEED 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........................................... 4-4
CLOSE ENGINE HOOD SECURELY................................................................................................. 4-4
OUTLINE OF MAINTENANCE.................................................................................................................. 4-5
HANDLE OIL, FUEL, COOLANT, AND PERFORMING OIL CLINIC .................................................. 4-5
HANDLE ELECTRICAL COMPONENTS ........................................................................................... 4-9
STANDARD TIGHTENING TORQUE FOR BOLTS AND NUTS .............................................................. 4-10
MAINTENANCE SCHEDULE.................................................................................................................. 4-12
MAINTENANCE SCHEDULE TABLE............................................................................................... 4-12
MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER ............................................................. 4-13
MAINTENANCE PROCEDURE .............................................................................................................. 4-15
WHEN REQUIRED .......................................................................................................................... 4-15
CHECK AUTOMATIC GREASE SYSTEM........................................................................................ 4-38
CHECKS BEFORE STARTING........................................................................................................ 4-40
EVERY 100 HOURS MAINTENANCE ............................................................................................. 4-41
EVERY 250 HOURS MAINTENANCE ............................................................................................. 4-42
EVERY 500 HOURS MAINTENANCE ............................................................................................. 4-45
EVERY 1000 HOURS MAINTENANCE ........................................................................................... 4-56
EVERY 2000 HOURS MAINTENANCE ........................................................................................... 4-63
EVERY 4000 HOURS MAINTENANCE ........................................................................................... 4-73
EVERY 4500 HOURS MAINTENANCE ........................................................................................... 4-77
EVERY 5000 HOURS MAINTENANCE ........................................................................................... 4-77
EVERY 8000 HOURS MAINTENANCE ........................................................................................... 4-78
EVERY 9000 HOURS MAINTENANCE ........................................................................................... 4-78
SPECIFICATIONS ........................................................................................................................................... 5-1
SPECIFICATIONS .................................................................................................................................... 5-2
EXPLANATION OF LIFT CAPACITY CHART (1-PIECE BOOM)........................................................ 5-3
ATTACHMENTS AND OPTIONS ..................................................................................................................... 6-1
PRECAUTIONS FOR USING ATTACHMENT AND OPTIONS.................................................................. 6-2
PRECAUTIONS WHEN SELECTING ................................................................................................ 6-2
READ THE OPERATION AND MAINTENANCE MANUAL THOROUGHLY....................................... 6-2
PRECAUTIONS WHEN REMOVING AND INSTALLING ................................................................... 6-2
PRECAUTIONS WHEN USING ......................................................................................................... 6-2
1-20
FOREWORD
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