Maintenance Interval When Diesel Fuel Mixed With Bio-Fuel Is Used - Komatsu PC1250-11 Original Instructions Manual

MAINTENANCE
METHOD FOR CHECKING AND LUBRICATING TENSION PULLEY ASSEMBLY OF ALTERNATOR AND
AIR CONDITIONER COMPRESSOR DRIVE BELT............................................................................. 4-59
METHOD FOR CHECKING ALL TIGHTENING POINTS OF ENGINE INTAKE PIPE CLAMPS.............. 4-59
METHOD FOR CHECKING WELDED STRUCTURE ............................................................................. 4-59
METHOD FOR REPLACING HYDRAULIC TANK BREATHER ELEMENT ............................................. 4-63
METHOD FOR REPLACING SWING MOTOR COOLING FILTER ELEMENT........................................ 4-63
EVERY 2000 HOURS MAINTENANCE ......................................................................................................... 4-66
METHOD FOR CHANGING OIL IN FINAL DRIVE CASE ....................................................................... 4-66
METHOD FOR CLEANING HYDRAULIC TANK STRAINER .................................................................. 4-67
METHOD FOR CHECKING AND RELEASING NITROGEN GAS CHARGE PRESSURE IN ACCUMULA-
TOR (FOR CONTROL CIRCUIT) ........................................................................................................ 4-68
METHOD OF CHECKING BOOST PIPING HOSE CLAMP .................................................................... 4-71
METHOD FOR CHECKING ALTERNATOR ............................................................................................ 4-71
METHOD FOR CHECKING AND ADJUSTING ENGINE VALVE CLEARANCE ...................................... 4-71
METHOD FOR REPLACING KCCV FILTER ELEMENT ......................................................................... 4-71
EVERY 4000 HOURS MAINTENANCE ......................................................................................................... 4-74
REPLACE DEFINED LIFE PARTS.......................................................................................................... 4-74
METHOD FOR CHECKING WATER PUMP............................................................................................ 4-75
METHOD FOR CHECKING STARTING MOTOR.................................................................................... 4-75
METHOD FOR REPLACING ACCUMULATOR (FOR CONTROL CIRCUIT) .......................................... 4-75
METHOD FOR CHECKING AND ADJUSTING AIR COMPRESSOR ..................................................... 4-76
METHOD FOR CHECKING FOR LOOSENESS OF ENGINE HIGH-PRESSURE PIPING CLAMP, HARD-
ENING OF RUBBER ........................................................................................................................... 4-76
METHOD FOR CHECKING FOR MISSING FUEL SPRAY PREVENTION CAP, HARDENING OF RUBBER.
............................................................................................................................................................ 4-77
METHOD FOR REPLACING RADIATOR CAP ....................................................................................... 4-78
EVERY 4500 HOURS MAINTENANCE ......................................................................................................... 4-79
METHOD FOR CLEANING KDPF .......................................................................................................... 4-79
METHOD FOR CLEANING FUEL DOSER ............................................................................................. 4-79
CHECK FOR MISSING FUEL SPRAY PREVENTION CAP ON FUEL DOSER PIPING, HARDENING OF
RUBBER ............................................................................................................................................. 4-79
EVERY 5000 HOURS MAINTENANCE ......................................................................................................... 4-79
METHOD FOR CHANGING OIL IN HYDRAULIC TANK, CLEANING HYDRAULIC TANK STRAINER... 4-79
METHOD FOR CHECKING LOOSENESS AND TIGHTENING SWING CIRCLE BOLTS ....................... 4-81
EVERY 8000 HOURS MAINTENANCE ......................................................................................................... 4-83
METHOD FOR REPLACING ENGINE HIGH-PRESSURE PIPING CLAMP ........................................... 4-83
METHOD FOR REPLACING FUEL SPRAY PREVENTION CAP............................................................ 4-83
METHOD FOR OVERHAULING STARTING MOTOR AND ALTERNATOR ............................................ 4-83
EVERY 9000 HOURS MAINTENANCE ......................................................................................................... 4-83
METHOD FOR REPLACING FUEL SPRAY PREVENTION CAP ON FUEL DOSER PIPING ................. 4-83
END OF SERVICE LIFE ......................................................................................................................... 4-83
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 SCHEDULE
4-11