Komatsu WA480-8, Operation & Maintenance Manual

Page: 337 / 440

METHOD FOR REPLACING HYDRAULIC OIL FILTER ELEMENT........................................................ 4-58
METHOD FOR REPLACING HYDRAULIC TANK BREATHER ELEMENT ............................................. 4-59
METHOD FOR CHANGING OIL IN AXLE CASE AND CLEANING AXLE CASE STRAINER ................. 4-60
METHOD FOR REPLACING AIR CONDITIONER FRESH/RECIRC AIR FILTERS ................................ 4-61
METHOD FOR CHECKING BRAKE DISC WEAR AMOUNT .................................................................. 4-62
METHOD FOR CHECKING FUNCTION OF PPC ACCUMULATOR ....................................................... 4-62
METHOD FOR CHECKING ALTERNATOR ............................................................................................ 4-63
METHOD FOR CHECKING AND ADJUSTING ENGINE VALVE CLEARANCE ...................................... 4-63
METHOD FOR CHECKING VIBRATION DAMPER ................................................................................ 4-63
METHOD FOR REPLACING KCCV FILTER ELEMENT ......................................................................... 4-63
METHOD FOR REPLACING DEF FILTER.............................................................................................. 4-66
METHOD FOR REPLACING DEF TANK BREATHER ELEMENT........................................................... 4-68
METHOD FOR REPLACING DEF TANK FILLER PORT FILTER............................................................ 4-70
EVERY 4000 HOURS MAINTENANCE ......................................................................................................... 4-71
REPLACE DEFINED LIFE PARTS.......................................................................................................... 4-71
METHOD FOR LUBRICATING DRIVE SHAFT ....................................................................................... 4-72
METHOD FOR CHECKING WATER PUMP............................................................................................ 4-74
METHOD FOR CHECKING STARTING MOTOR.................................................................................... 4-74
METHOD FOR CHECKING AND ADJUSTING AIR CONDITIONER COMPRESSOR............................ 4-74
METHOD FOR CHECKING FOR LOOSENESS OF ENGINE HIGH-PRESSURE PIPING CLAMP, HARD-
ENING OF RUBBER ........................................................................................................................... 4-75
METHOD FOR CHECKING FOR MISSING FUEL SPRAY PREVENTION CAP, HARDENING OF RUBBER.
............................................................................................................................................................ 4-75
METHOD FOR CHECKING EXHAUST PIPE FIRE PREVENTION COVER ........................................... 4-76
EVERY 4500 HOURS MAINTENANCE ......................................................................................................... 4-76
METHOD FOR CLEANING KDPF .......................................................................................................... 4-76
METHOD FOR CLEANING DEF TANK................................................................................................... 4-76
METHOD FOR CLEANING FUEL DOSER ............................................................................................. 4-76
METHOD FOR CHECKING FOR MISSING FUEL SPRAY PREVENTION CAP ON FUEL DOSER PIPING,
HARDENING OF RUBBER ................................................................................................................. 4-76
EVERY 8000 HOURS MAINTENANCE ......................................................................................................... 4-76
METHOD FOR REPLACING ENGINE HIGH-PRESSURE PIPING CLAMP ........................................... 4-76
METHOD FOR REPLACING FUEL SPRAY PREVENTION CAP............................................................ 4-76
METHOD FOR OVERHAULING STARTING MOTOR AND ALTERNATOR ............................................ 4-76
EVERY 9000 HOURS MAINTENANCE ......................................................................................................... 4-77
METHOD FOR REPLACING DEF HOSE ............................................................................................... 4-77
METHOD FOR REPLACING FUEL SPRAY PREVENTION CAP ON FUEL DOSER PIPING................. 4-77
END OF SERVICE LIFE ......................................................................................................................... 4-77
MAINTENANCE INTERVAL WHEN DIESEL FUEL MIXED WITH BIO-FUEL IS
USED
If the diesel fuel which does not include the bio-fuel is changed to the diesel fuel mixed with bio-fuel, set the
maintenance interval as follows.
Replace the fuel pre-filter cartridge
When the machine is operated first 250 hours after the diesel fuel has been changed to the diesel fuel mixed
with bio-fuel, and when the machine is operated further 250 hours.
After that, replace it within 500 hours as a periodic replacement by the service meter reading.
Replace the fuel main filter cartridge
When the machine is operated first 250 hours after the diesel fuel has been changed to the diesel fuel mixed
with bio-fuel, and when the machine is operated further 250 hours.
After that, replace it within 1000 hours as a periodic replacement by the service meter reading.
MAINTENANCE MAINTENANCE SCHEDULE
4-13