Komatsu PC800-8 Operation & Maintenance Manual page 22

CONTENTS
CLEAN FRESH/RECIRC AIR FILTERS OF AIR CONDITIONER (ONLY FOR MACHINES EQUIPPED
WITH AIR CONDITIONER) ............................................................................................................. 4-53
REPLACE PILOT FILTER ............................................................................................................... 4-54
CLEAN STRAINER OF COUPLING LUBRICATING OIL FILTER................................................... 4-55
REPLACE DRAIN FILTER CARTRIDGE ........................................................................................ 4-55
CHANGE OIL IN ENGINE OIL PAN, REPLACE ENGINE OIL FILTER CARTRIDGE .................... 4-56
EVERY 1000 HOURS MAINTENANCE.................................................................................................... 4-58
REPLACE FUEL MAIN FILTER CARTRIDGE ................................................................................ 4-58
REPLACE BREATHER ELEMENT IN HYDRAULIC TANK............................................................. 4-61
REPLACE HYDRAULIC TANK ADDITIONAL BREATHER ELEMENT........................................... 4-62
REPLACE HYDRAULIC OIL FILTER ELEMENT ............................................................................ 4-62
CHANGE OIL IN SWING MACHINERY CASE................................................................................ 4-63
CHANGE OIL IN COUPLING CASE ............................................................................................... 4-65
REPLACE CORROSION RESISTOR CARTRIDGE ....................................................................... 4-66
CHECK WELDED STRUCTURE..................................................................................................... 4-66
CHECK NITROGEN GAS CHARGE PRESSURE IN ACCUMULATOR (FOR BREAKER) ............ 4-68
EVERY 2000 HOURS MAINTENANCE.................................................................................................... 4-69
CHANGE OIL IN FINAL DRIVE CASE ............................................................................................ 4-69
CLEAN HYDRAULIC TANK STRAINER ......................................................................................... 4-70
CHECKING CHARGE PRESSURE OF NITROGEN GAS IN ACCUMULATOR (FOR CONTROL
CIRCUIT) ......................................................................................................................................... 4-71
CHECK ALTERNATOR ................................................................................................................... 4-74
CHECK ENGINE VALVE CLEARANCE, ADJUST .......................................................................... 4-74
CHECK ALL TIGHTENING POINTS OF ENGINE EXHAUST PIPE CLAMPS................................ 4-74
EVERY 4000 HOURS MAINTENANCE.................................................................................................... 4-75
CHECK WATER PUMP ................................................................................................................... 4-75
REPLACE ACCUMULATOR (FOR CONTROL CIRCUIT) .............................................................. 4-75
CHECK FOR LOOSENESS OF HIGH-PRESSURE PIPING CLAMP, HARDENING OF RUBBER 4-76
CHECK FOR MISSING FUEL SPRAY PREVENTION CAP, HARDENING OF RUBBER.............. 4-76
CHECK OPERATING CONDITION OF COMPRESSOR ................................................................ 4-77
CHECK STARTING MOTOR........................................................................................................... 4-77
EVERY 5000 HOURS MAINTENANCE.................................................................................................... 4-78
CHANGE OIL IN HYDRAULIC TANK.............................................................................................. 4-78
EVERY 8000 HOURS MAINTENANCE.................................................................................................... 4-80
REPLACE HIGH-PRESSURE PIPING CLAMP .............................................................................. 4-80
REPLACE FUEL SPRAY PREVENTION CAP ................................................................................ 4-80
SPECIFICATIONS
SPECIFICATIONS ................................................................................................................................................ 5-2
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