Komatsu D37EX-24 Operation & Maintenance Manual page 289

MAINTENANCE
METHOD FOR CHECKING AND RELEASING NITROGEN GAS CHARGE PRESSURE IN ACCUMULA-
TOR (FOR CONTROL CIRCUIT) ........................................................................................................ 4-59
METHOD FOR CHECKING ALTERNATOR ............................................................................................ 4-62
METHOD FOR CHECKING AND ADJUSTING ENGINE VALVE CLEARANCE ...................................... 4-62
METHOD FOR REPLACING KCCV FILTER ELEMENT ......................................................................... 4-62
METHOD FOR REPLACING DEF FILTER.............................................................................................. 4-65
EVERY 4000 HOURS MAINTENANCE ......................................................................................................... 4-68
REPLACE DEFINED LIFE PARTS.......................................................................................................... 4-68
METHOD FOR CHECKING WATER PUMP............................................................................................ 4-68
METHOD FOR CHECKING STARTING MOTOR.................................................................................... 4-68
METHOD FOR REPLACING ACCUMULATOR (FOR CONTROL CIRCUIT) .......................................... 4-69
METHOD FOR CHECKING FOR LOOSENESS OF ENGINE HIGH-PRESSURE PIPING CLAMP, HARD-
ENING OF RUBBER ........................................................................................................................... 4-69
METHOD FOR CHECKING FOR MISSING FUEL SPRAY PREVENTION CAP, HARDENING OF RUBBER.
............................................................................................................................................................ 4-70
EVERY 4500 HOURS MAINTENANCE ......................................................................................................... 4-70
METHOD FOR CLEANING DEF TANK................................................................................................... 4-71
METHOD FOR CLEANING DEF TANK MOUNTING PORTION ............................................................. 4-71
EVERY 8000 HOURS MAINTENANCE ......................................................................................................... 4-71
METHOD FOR REPLACING ENGINE HIGH-PRESSURE PIPING CLAMP ........................................... 4-71
METHOD FOR REPLACING FUEL SPRAY PREVENTION CAP............................................................ 4-71
EVERY 9000 HOURS MAINTENANCE ......................................................................................................... 4-71
METHOD FOR REPLACING DEF HOSE ............................................................................................... 4-71
END OF SERVICE LIFE ......................................................................................................................... 4-71
MAINTENANCE SCHEDULE
4-13