Komatsu PC450-8 Operation & Maintenance Manual page 21

CLEAN AND INSPECT RADIATOR FINS, OIL COOLER FINS, AFTERCOOLER FINS AND
CONDENSER FINS......................................................................................................................... 4-61
CLEAN AIR CONDITIONER FRESH/RECIRC FILTERS................................................................ 4-62
REPLACE BREATHER ELEMENT IN HYDRAULIC TANK ............................................................ 4-64
CHECK OIL LEVEL IN SWING MACHINERY CASE, ADD OIL...................................................... 4-65
CHECK OIL LEVEL IN FINAL DRIVE CASE, ADD OIL .................................................................. 4-66
EVERY 1000 HOURS MAINTENANCE.................................................................................................... 4-67
REPLACE FUEL MAIN FILTER CARTRIDGE ................................................................................ 4-67
REPLACE HYDRAULIC OIL FILTER ELEMENT ............................................................................ 4-70
CHANGE OIL IN SWING MACHINERY CASE ............................................................................... 4-71
CHECK OIL LEVEL IN DAMPER CASE, ADD OIL ......................................................................... 4-72
CHECK ALL TIGHTENING POINTS OF ENGINE EXHAUST PIPE CLAMPS ............................... 4-72
REPLACE HYDRAULIC TANK ADDITIONAL BREATHER ELEMENT .......................................... 4-73
CHECK NITROGEN GAS CHARGE PRESSURE IN ACCUMULATOR (for breaker) .................... 4-73
REPLACE CORROSION RESISTOR CARTRIDGE ....................................................................... 4-74
EVERY 2000 HOURS MAINTENANCE.................................................................................................... 4-75
CHANGE OIL IN FINAL DRIVE CASE ............................................................................................ 4-75
CLEAN HYDRAULIC TANK STRAINER ......................................................................................... 4-76
CHECKING CHARGE PRESSURE OF NITROGEN GAS IN ACCUMULATOR (FOR CONTROL
CIRCUIT) ......................................................................................................................................... 4-76
CHECK ALTERNATOR ................................................................................................................... 4-79
CHECK ENGINE VALVE CLEARANCE, ADJUST.......................................................................... 4-79
CHECK VIBRATION DAMPER ....................................................................................................... 4-79
EVERY 4000 HOURS MAINTENANCE.................................................................................................... 4-80
CHECK WATER PUMP................................................................................................................... 4-80
CHECK STARTING MOTOR........................................................................................................... 4-80
REPLACE ACCUMULATOR (FOR CONTROL CIRCUIT) .............................................................. 4-80
CHECK FOR LOOSENESS OF HIGH-PRESSURE PIPING CLAMP, HARDENING OF RUBBER 4-81
CHECK FOR MISSING FUEL SPRAY PREVENTION CAP, HARDENING OF RUBBER.............. 4-81
EVERY 5000 HOURS MAINTENANCE.................................................................................................... 4-82
CHANGE OIL IN HYDRAULIC TANK.............................................................................................. 4-82
EVERY 8000 HOURS MAINTENANCE.................................................................................................... 4-84
REPLACE HIGH-PRESSURE PIPING CLAMP .............................................................................. 4-84
REPLACE FUEL SPRAY PREVENTION CAP................................................................................ 4-84
SPECIFICATIONS
SPECIFICATIONS ................................................................................................................................................ 5-2
ATTACHMENTS ANDD OPTIONS
GENERAL PRECAUTIONS FOR SAFETY.......................................................................................................... 6-2
PRECAUTIONS WHEN SELECTING......................................................................................................... 6-2
READ THE INSTRUCTION MANUAL THOROUGHLY.............................................................................. 6-2
PRECAUTIONS WHEN REMOVING OR INSTALLING ............................................................................. 6-2
PRECAUTIONS WHEN USING.................................................................................................................. 6-3
CONTENTS
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