Komatsu PC450-8, Operation & Maintenance Manual

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MAINTENANCE
MAINTENANCE SCHEDULE
4-17
MAINTENANCE SCHEDULE 4
If the machine is equipped with a hydraulic breaker, the maintenance schedule for some parts will be different.
For details, see “MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER (4-19)“ to confirm the correct main-
tenance schedule when carrying out maintenance.
MAINTENANCE SCHEDULE CHART 4
INITIAL 1000 HOURS MAINTENANCE (ONLY AFTER THE FIRST 1000 HOURS)
CHECK ENGINE VALVE CLEARANCE, ADJUST ........................................................................................... 4-79 4
WHEN REQUIRED
CHECK, CLEAN AND REPLACE AIR CREANER ELEMENT.......................................................................... 4-21 4
CLEAN INSIDE OF COOLING SYSTEM.......................................................................................................... 4-27 4
CHECK AND TIGHTEN TRACK SHOE BOLTS ............................................................................................... 4-30 4
CHECK AND ADJUST TRACK TENSION........................................................................................................ 4-31 4
REPLACE BUCKET TEETH (VERTICAL PIN TYPE)....................................................................................... 4-33 4
REPLACE BUCKET TEETH (HORIZONTAL PIN TYPE) ................................................................................. 4-36 4
REPLACE BUCKED SIDE CUTTER SHROUD................................................................................................ 4-38 4
ADJUST BUCKET CREARANCE ..................................................................................................................... 4-39 4
CHECK WINDOW WASHER FLUID LEVEL, ADD FLUID ............................................................................... 4-40 4
CHECK AND MAINTENANCE AIR CONDITIONER......................................................................................... 4-41 4
WASHING WASHABLE FLOOR....................................................................................................................... 4-42 4
CHECK GAS SPRING ...................................................................................................................................... 4-45 4
BLEEDING AIR FROM HYDRAULIC SYSTEM................................................................................................ 4-45 4
CHECKS BEFORE STARTING
EVERY 50 HOURS MAINTENANCE
LUBRICATING .................................................................................................................................................. 4-48 4
EVERY 250 HOURS MAINTENANCE
LUBRICATE SWING CIRCLE........................................................................................................................... 4-49 4
CHECK OIL LEVEL IN SWING MACHINERY CASE, ADD OIL ....................................................................... 4-65 4
CHECK OIL LEVEL IN FINAL DRIVE CASE, ADD OIL.................................................................................... 4-66 4
CHECK LEVEL OF BATTERY ELECTROLYTE............................................................................................... 4-50 4
CHECK FAN BELT, ALTERNATOR BELT TENSION, ADJUST ...................................................................... 4-52 4
CHECK AIR CONDITIONER COMPRESSOR BELT TENSION, ADJUST ...................................................... 4-53 4
EVERY 500 HOURS MAINTENANCE
LUBRICATING .................................................................................................................................................. 4-54 4
REPLACE FUEL PRE-FILTER CARTRIDGE ................................................................................................... 4-55 4
CHECK SWING PINION GREASE LEVEL, ADD GREASE ............................................................................. 4-58 4
CHANGE OIL IN ENGINE OIL PAN, REPLACE ENGINE OIL FILTER CARTRIDGE ..................................... 4-59 4
CLEAN AND INSPECT RADIATOR FINS, OIL COOLER FINS, AFTER COOLER
FIN AND CONDENSER FINS........................................................................................................................... 4-61
4
CLEAN AIR CONDITIONER FRESH/RECIRC FILTERS ................................................................................. 4-62 4
REPLACE BREATHER ELEMENT IN HYDRAULIC TANK.............................................................................. 4-64 4