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CONTENTS
CHECK ENGINE VALVE CLEARANCE, ADJUST .......................................................................... 4-83
EVERY 4000 HOURS MAINTENANCE.................................................................................................... 4-84
CHECK WATER PUMP ................................................................................................................... 4-84
CHECK VIBRATION DAMPER ....................................................................................................... 4-84
REPLACE ACCUMULATOR (FOR CONTROL CIRCUIT) .............................................................. 4-85
CHECK FOR LOOSENESS OF HIGH-PRESSURE PIPING CLAMP,
HARDENING OF RUBBER ............................................................................................................ 4-86
CHECK FOR MISSING FUEL SPRAY PREVENTION CAP, HARDENING OF RUBBER.............. 4-86
CHECK OPERATING CONDITION OF COMPRESSOR ................................................................ 4-87
EVERY 5000 HOURS MAINTENANCE.................................................................................................... 4-88
CHANGE OIL IN HYDRAULIC TANK.............................................................................................. 4-88
EVERY 8000 HOURS MAINTENANCE.................................................................................................... 4-89
REPLACE FUEL SPRAY PREVENTION CAP ................................................................................ 4-89
REPLACE HIGH-PRESSURE PIPING CLAMP .............................................................................. 4-89
AUTOMATIC GREASE SYSTEM....................................................................................................................... 4-90
FILLING THE GREASE RESERVOIR ...................................................................................................... 4-91
METHOD OF FILLING GREASE RESERVOIR........................................................................................ 4-92
RECOMMENDED KOMATSU PUMPS FOR FILLING GREASE RESERVOIR ....................................... 4-92
INDICATION ON THE IN-CAB DISPLAY ................................................................................................. 4-93
TESTS ...................................................................................................................................................... 4-94
MAINTENANCE........................................................................................................................................ 4-94
END OF SERVICE LIFE ..................................................................................................................................... 4-95
SPECIFICATIONS
SPECIFICATIONS ................................................................................................................................................ 5-2
MONOBOOM WORKING RANGE .................................................................................................... 5-4
PC210-8 WORKING RANGE (2-PIECE BOOM) ............................................................................... 5-6
PC230-8 WORKING RANGE (2-PIECE BOOM) ............................................................................... 5-6
PC240-8 WORKING RANGE (2-PIECE BOOM) ............................................................................... 5-6
EXPLANATION OF LIFTING CAPACITY CHART
PC210, PC210LC, PC210NLC, PC230NHD-8 1-PIECE BOOM ................................................................ 5-8
PC210-8............................................................................................................................................. 5-9
PC210LC-8 ...................................................................................................................................... 5-10
PC210NLC-8 ................................................................................................................................... 5-11
PC230NHD-8 ................................................................................................................................... 5-12
EXPLANATION OF LIFTING CAPACITY CHART
PC240LC, PC240NLC-8 1-PIECE BOOM ................................................................................................ 5-13
PC240LC-8 ...................................................................................................................................... 5-14
PC240NLC-8 ................................................................................................................................... 5-15
EXPLANATION OF LIFTING CAPACITY CHART PC210, PC210LC, PC210NLC, PC230NHD-8 2 PIECE
BOOM ....................................................................................................................................................... 5-16
PC210-8........................................................................................................................................... 5-17
PC210LC-8 ...................................................................................................................................... 5-18
PC210NLC-8 ................................................................................................................................... 5-19
PC230NHD-8 ................................................................................................................................... 5-20
1-24
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