Komatsu PC308USLC-3E0 Operation & Maintenance Manual page 230

MAINTENANCE SCHEDULE
EVERY 1000 HOURS MAINTENANCE
REPLACE HYDRAULIC OIL FILTER ELEMENT
CHANGE OIL IN SWING MACHINERY CASE
CHECK OIL LEVEL IN DAMPER CASE, ADD OIL
REPLACE FUEL MAIN FILTER CARTRIDGE
CHECK ALL TIGHTENING POINTS OF ENGINE EXHAUST PIPE CLAMPS
CHECK FAN BELT TENSION AND REPLACE FAN BELT
CHECK NITROGEN GAS CHARGE PRESSURE IN ACCUMULATOR (RETURN CIRCUIT, OIL
COOLER OUTLET)
CHECK NITROGEN GAS CHARGE PRESSURE IN ACCUMULATOR (FOR BREAKER)
EVERY 2000 HOURS MAINTENANCE
CHANGE OIL IN FINAL DRIVE CASE
CLEAN HYDRAULIC TANK STRAINER
CHECKING CHARGE PRESSURE OF NITROGEN GAS IN ACCUMULATOR (FOR CONTROL
CIRCUIT)
CHECK ALTERNATOR
CHECK ENGINE VALVE CLEARANCE, ADJUST
EVERY 4000 HOURS MAINTENANCE
CHECK WATER PUMP
REPLACE ACCUMULATOR (FOR CONTROL CIRCUIT)
CHECK FOR LOOSENESS OF HIGH-PRESSURE PIPING CLAMP, HARDENING OF RUBBER
CHECK FOR MISSING FUEL SPRAY PREVENTION CAP, HARDENING OF RUBBER
CHECK OPERATING CONDITION OF COMPRESSOR
EVERY 5000 HOURS MAINTENANCE
CHANGE OIL IN HYDRAULIC TANK
EVERY 8000 HOURS MAINTENANCE
REPLACE HIGH-PRESSURE PIPING CLAMP
REPLACE FUEL SPRAY PREVENTION CAP
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