Komatsu PC450-8 Operation & Maintenance Manual page 284

MAINTENANCE SCHEDULE
EVERY 1000 HOURS MAINTENANCE
REPLACE FUEL MAIN FILTER CARTRIDGE..................................................................................................
REPLACE HYDRAULIC OIL FILTER ELEMENT .............................................................................................
CHANGE OIL IN SWING MACHINERY CASE .................................................................................................
CHECK OIL LEVEL IN DAMPER CASE, ADD OIL ..........................................................................................
CHECK ALL TIGHTENING POINTS OF ENGINE EXHAUST PIPE CLAMPS .................................................
REPLACE HYDRAULIC TANK ADDITIONAL BREATHER ELEMENT ............................................................
CHECK NITROGEN GAS CHARGE PRESSURE IN ACCUMULATOR (FOR BREAKER) .............................
REPLACE CORROSION RESISTOR CARTRIDGE.........................................................................................
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 ...........................................................................................
CHECK VIBRATION DAMPER .........................................................................................................................
EVERY 4000 HOURS MAINTENANCE
CHECK WATER PUMP ....................................................................................................................................
CHECK STARTING MOTOR ............................................................................................................................
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 ...............................
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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