Maintenance Interval For Hydraulic Breaker - Komatsu PW118MR-11 Operation & Maintenance Manual

MAINTENANCE SCHEDULE
EVERY 1000 HOURS MAINTENANCE ......................................................................................................... 4-56
METHOD FOR CHECKING THE BRAKING PRESSURE ....................................................................... 4-56
METHOD FOR REPLACING HYDRAULIC OIL FILTER ELEMENT ........................................................ 4-57
METHOD FOR CHANGE OIL IN SWING MACHINERY CASE ............................................................... 4-58
METHOD FOR CHANGING THE OIL IN THE TRANSMISSION REDUCTION GEAR............................ 4-59
METHOD FOR THE REPLACEMENT OF THE FRONT AXLE OIL......................................................... 4-59
METHOD FOR THE REPLACEMENT OF THE REAR AXLE OIL ........................................................... 4-61
METHOD FOR ADJUSTING THE PARKING BRAKE ............................................................................. 4-62
METHOD FOR CHECKING OIL LEVEL IN PTO GEAR CASE, ADDING OIL ......................................... 4-62
METHOD FOR REPLACING FUEL MAIN FILTER CARTRIDGE ............................................................ 4-63
METHOD FOR CHECKING ALL TIGHTENING POINTS OF ENGINE INTAKE PIPE CLAMPS.............. 4-65
METHOD FOR REPLACING DEF TANK BREATHER ELEMENT........................................................... 4-65
METHOD FOR CHECKING FAN BELT TENSION AND REPLACING FAN BELT ................................... 4-66
EVERY 2000 HOURS MAINTENANCE ......................................................................................................... 4-66
METHOD FOR CHANGING OIL IN HYDRAULIC TANK, CLEANING HYDRAULIC TANK STRAINER... 4-66
METHOD FOR CHECKING AND RELEASING NITROGEN GAS CHARGE PRESSURE IN ACCUMULA-
TORS (FOR CONTROL CIRCUIT) ...................................................................................................... 4-68
METHOD FOR CHECKING ALTERNATOR AND STARTING MOTOR ................................................... 4-72
METHOD FOR CHECKING AND ADJUSTING ENGINE VALVE CLEARANCE ...................................... 4-72
METHOD FOR REPLACING KCCV FILTER ELEMENT ......................................................................... 4-72
METHOD FOR REPLACING DEF FILTER.............................................................................................. 4-75
EVERY 4000 HOURS MAINTENANCE ......................................................................................................... 4-77
REPLACE DEFINED LIFE PARTS.......................................................................................................... 4-78
METHOD FOR CHECKING WATER PUMP............................................................................................ 4-78
METHOD FOR REPLACING THE ACCUMULATORS (FOR THE CONTROL CIRCUIT)........................ 4-79
METHOD FOR CHECKING FOR LOOSENESS OF ENGINE HIGH-PRESSURE PIPING CLAMP, HARD-
ENING OF RUBBER ........................................................................................................................... 4-80
METHOD FOR CHECKING FOR MISSING FUEL SPRAY PREVENTION CAP, HARDENING OF RUBBER.
............................................................................................................................................................ 4-80
EVERY 4500 HOURS MAINTENANCE ......................................................................................................... 4-80
REPLACE KCCV HOSE ......................................................................................................................... 4-81
METHOD FOR CLEANING DEF TANK................................................................................................... 4-81
EVERY 5000 HOURS MAINTENANCE ......................................................................................................... 4-81
METHOD FOR CHANGING OIL IN HYDRAULIC TANK, CLEANING HYDRAULIC TANK STRAINER... 4-81
EVERY 8000 HOURS MAINTENANCE ......................................................................................................... 4-83
METHOD FOR REPLACING ENGINE HIGH-PRESSURE PIPING CLAMP ........................................... 4-83
METHOD FOR REPLACING FUEL SPRAY PREVENTION CAP............................................................ 4-83
EVERY 9000 HOURS MAINTENANCE ......................................................................................................... 4-83
METHOD FOR REPLACING DEF HOSE ............................................................................................... 4-83
END OF SERVICE LIFE ......................................................................................................................... 4-83

MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER

On the machine equipped with a hydraulic breaker, the oil deteriorate faster compared to when using the buck-
et. Therefore perform the change following the intervals specified below.
4-12
WENAM00130
MAINTENANCE