Komatsu HB215LC-3, Operation & Maintenance Manual

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METHOD FOR REPLACING HYDRAULIC TANK BREATHER ELEMENT ............................................. 4-67
METHOD FOR REPLACING DEF TANK BREATHER ELEMENT........................................................... 4-68
METHOD FOR CHECKING FAN BELT TENSION AND REPLACING FAN BELT ................................... 4-69
EVERY 2000 HOURS MAINTENANCE ......................................................................................................... 4-69
METHOD FOR CHANGING OIL IN FINAL DRIVE CASE ....................................................................... 4-69
METHOD FOR CLEANING HYDRAULIC TANK STRAINER .................................................................. 4-70
METHOD FOR CHECKING AND RELEASING NITROGEN GAS CHARGE PRESSURE IN ACCUMULA-
TOR (FOR CONTROL CIRCUIT) ........................................................................................................ 4-71
METHOD FOR CHECKING ALTERNATOR ............................................................................................ 4-74
METHOD FOR CHECKING AND ADJUSTING ENGINE VALVE CLEARANCE ...................................... 4-74
METHOD FOR REPLACING KCCV FILTER ELEMENT ......................................................................... 4-74
METHOD FOR REPLACING DEF FILTER.............................................................................................. 4-77
METHOD FOR CHECKING AND CLEANING ELECTRIC SWING MOTOR COOLING OIL DELIVERY FIL-
TER ..................................................................................................................................................... 4-80
EVERY 4000 HOURS MAINTENANCE ......................................................................................................... 4-80
REPLACE DEFINED LIFE PARTS.......................................................................................................... 4-80
METHOD FOR CHECKING WATER PUMP............................................................................................ 4-81
METHOD FOR CHECKING STARTING MOTOR.................................................................................... 4-81
METHOD FOR REPLACING ACCUMULATOR (FOR CONTROL CIRCUIT) .......................................... 4-81
METHOD FOR CHECKING AIR CONDITIONER COMPRESSOR OPERATION.................................... 4-82
METHOD FOR CHECKING FOR LOOSENESS OF ENGINE HIGH-PRESSURE PIPING CLAMP, HARD-
ENING OF RUBBER ........................................................................................................................... 4-82
METHOD FOR CHECKING FOR MISSING FUEL SPRAY PREVENTION CAP, HARDENING OF RUBBER.
............................................................................................................................................................ 4-83
METHOD FOR REPLACING RADIATOR CAP ....................................................................................... 4-83
EVERY 4500 HOURS MAINTENANCE ......................................................................................................... 4-84
METHOD FOR CLEANING DEF TANK................................................................................................... 4-84
METHOD FOR REPLACING DEF TANK FILLER PORT FILTER............................................................ 4-84
EVERY 5000 HOURS MAINTENANCE ......................................................................................................... 4-84
METHOD FOR CHANGING OIL IN HYDRAULIC TANK ......................................................................... 4-84
EVERY 8000 HOURS MAINTENANCE ......................................................................................................... 4-86
METHOD FOR REPLACING FUEL SPRAY PREVENTION CAP............................................................ 4-86
EVERY 9000 HOURS MAINTENANCE ......................................................................................................... 4-86
METHOD FOR REPLACING DEF HOSE ............................................................................................... 4-86
END OF SERVICE LIFE ......................................................................................................................... 4-86
MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER
On the machine equipped with a hydraulic breaker, the hydraulic oil and grease deteriorate faster than in normal
bucket digging operations, so set the maintenance intervals as follows.
MAINTENANCE MAINTENANCE SCHEDULE
4-13