MAINTENANCE SCHEDULE
• When
using
the
engine
oil
for cold district, the maintenance intervals of the engine oil and filter cartridge are
changed to for every 250 hours.
• If the currently used diesel fuel which does not include the bio-fuel is changed to the one mixed with the
bio-fuel, the replacement interval of the fuel filter is changed as well. See “MAINTENANCE INTERVAL
WHEN DIESEL FUEL MIXED WITH BIO-FUEL IS USED”.
• Ask your Komatsu distributor for changing the maintenance interval of the machine monitor.
MAINTENANCE SCHEDULE TABLE
INITIAL 10 HOURS MAINTENANCE (ONLY FOR THE FIRST 100 HOURS) ................................................ 4-15
INITIAL 250 HOURS MAINTENANCE (ONLY AFTER THE FIRST 250 HOURS) .......................................... 4-15
WHEN REQUIRED ........................................................................................................................................ 4-15
METHOD FOR CHECKING, CLEANING AND REPLACING AIR CLEANER.......................................... 4-15
METHOD FOR CLEANING INSIDE OF COOLING SYSTEM ................................................................. 4-21
METHOD FOR CHECKING OIL LEVEL IN TRANSFER CASE AND ADDING OIL................................. 4-25
METHOD FOR CLEANING ENGINE DAMPER BREATHER .................................................................. 4-27
METHOD FOR CHECKING OIL LEVEL IN AXLE CASE AND ADDING OIL........................................... 4-28
METHOD FOR CLEANING AXLE BREATHER....................................................................................... 4-29
METHOD FOR CLEANING AIR CONDITIONER CONDENSER............................................................. 4-30
METHOD FOR CLEANING RADIATOR FIN AND COOLER FIN ............................................................ 4-31
METHOD FOR CLEANING FINS BY ROTATING COOLING FAN IN REVERSE.................................... 4-31
METHOD FOR REVERSING MANUAL OPERATION FAN ..................................................................... 4-31
METHOD FOR REVERSING AUTOMATIC OPERATION FAN ............................................................... 4-31
METHOD FOR CLEANING FIN WITH COMPRESSED AIR ................................................................... 4-31
METHOD FOR INVERTING AND REPLACING BOLT ON CUTTING EDGE .......................................... 4-33
METHOD FOR REPLACING BUCKET TEETH....................................................................................... 4-34
METHOD FOR CHECKING WINDOW WASHER FLUID LEVEL, ADDING FLUID ................................. 4-37
METHOD FOR CHECKING AND MAINTENANCE AIR CONDITIONER................................................. 4-37
METHOD FOR REPLACING SLOW-BLOW FUSE ................................................................................. 4-39
METHOD FOR CHECKING FUNCTION OF ECSS ACCUMULATOR..................................................... 4-40
METHOD FOR CHECKING FUNCTION OF BRAKE ACCUMULATOR .................................................. 4-40
SELECT AND CHECK TIRES................................................................................................................. 4-41
METHOD FOR CLEANING AND REPLACING FUEL TANK BREATHER ELEMENT ............................. 4-42
CHECKING AUTO-GREASING AND OPERATION METHOD FOR FILLING GREASE.......................... 4-44
CHECKS BEFORE STARTING...................................................................................................................... 4-44
EVERY 50 HOURS MAINTENANCE ............................................................................................................. 4-46
METHOD FOR DRAINING WATER AND SEDIMENT FROM FUEL TANK ............................................. 4-46
EVERY 100 HOURS MAINTENANCE ........................................................................................................... 4-46
METHOD FOR CHECKING OIL LEVEL IN HYDRAULIC TANK, ADDING OIL ....................................... 4-46
METHOD FOR CLEANING AIR CONDITIONER FRESH AIR FILTER.................................................... 4-47
EVERY 250 HOURS MAINTENANCE ........................................................................................................... 4-47
METHOD FOR CHECKING BATTERY ELECTROLYTE LEVEL ............................................................. 4-47
METHOD FOR TESTING PARKING BRAKE.......................................................................................... 4-49
METHOD FOR CHECKING AND ADJUSTING AIR CONDITIONER COMPRESSOR BELT TENSION.. 4-49
METHOD FOR CHECKING LOOSENESS OF WHEEL HUB BOLTS, RETIGHTENING BOLTS ............ 4-51
METHOD FOR CLEANING AIR CONDITIONER RECIRC AIR FILTER.................................................. 4-52
METHOD FOR CHECKING FUNCTION OF BRAKE ACCUMULATOR .................................................. 4-52
EVERY 500 HOURS MAINTENANCE ........................................................................................................... 4-53
METHOD FOR CHANGING OIL IN ENGINE OIL PAN, REPLACING ENGINE OIL FILTER CARTRIDGE .....
............................................................................................................................................................ 4-53
METHOD FOR REPLACING FUEL PREFILTER CARTRIDGE............................................................... 4-55
EVERY 1000 HOURS MAINTENANCE ......................................................................................................... 4-57
METHOD FOR REPLACING FUEL MAIN FILTER CARTRIDGE............................................................ 4-57
METHOD FOR CLEANING TRANSFER CASE BREATHER .................................................................. 4-59
METHOD FOR CHANGING OIL IN TRANSFER CASE AND CLEANING TRANSFER CASE STRAINER .....
............................................................................................................................................................ 4-59
METHOD FOR REPLACING HST OIL FILTER CARTRIDGE ................................................................. 4-61
MAINTENANCE SCHEDULE MAINTENANCE
4-12
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