Komatsu D51EX-24, Operation & Maintenance Manual

Page: 288 / 382

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
WHEN REQUIRED ........................................................................................................................................ 4-15
METHOD FOR CHECKING, CLEANING AND REPLACING AIR CLEANER.......................................... 4-15
METHOD FOR CLEANING INSIDE OF COOLING SYSTEM ................................................................. 4-20
METHOD FOR CLEANING INSIDE MACHINE....................................................................................... 4-23
METHOD FOR CHECKING AND CLEANING RADIATOR FRONT......................................................... 4-24
METHOD FOR CHECKING AND ADJUSTING TRACK TENSION ......................................................... 4-24
METHOD FOR CHECKING LOOSENESS AND TIGHTENING TRACK SHOE BOLTS .......................... 4-26
METHOD FOR CHECKING IDLER OIL LEVEL ...................................................................................... 4-27
METHOD FOR ADJUSTING IDLER CLEARANCE ................................................................................. 4-27
METHOD FOR INVERTING AND REPLACING CUTTING EDGE AND END BIT ................................... 4-28
CLEAN AND CHECK RADIATOR FINS AND OIL COOLER FINS .......................................................... 4-29
METHOD FOR CLEANING HYDRAULIC TANK BREATHER ................................................................. 4-32
METHOD FOR CLEANING FUEL TANK BREATHER............................................................................. 4-32
METHOD FOR REPLACING DOOR DAMPER....................................................................................... 4-33
METHOD FOR LUBRICATING DOOR HINGE........................................................................................ 4-33
METHOD FOR CHECKING DOOR LATCH ............................................................................................ 4-34
METHOD FOR CHECKING DOOR LOCK STRIKER.............................................................................. 4-34
METHOD FOR CHECKING WINDOW WASHER FLUID LEVEL, ADDING FLUID ................................. 4-34
METHOD FOR CHECKING WIPER BLADE ........................................................................................... 4-35
METHOD FOR REPLACING WIPER BLADE ......................................................................................... 4-35
METHOD FOR CHECKING AND MAINTENANCE AIR CONDITIONER................................................. 4-36
METHOD FOR BLEEDING AIR FROM HYDRAULIC CIRCUIT .............................................................. 4-38
METHOD FOR RELEASING PRESSURE IN HYDRAULIC CIRCUIT ..................................................... 4-40
METHOD FOR CHECKING ELECTRICAL INTAKE AIR HEATER .......................................................... 4-40
METHOD FOR ADJUSTING SHIMS AT CENTER BALL ........................................................................ 4-40
METHOD FOR ADJUSTING SHIMS AT PITCH BALL ............................................................................ 4-41
CHECKS BEFORE STARTING...................................................................................................................... 4-42
EVERY 50 HOURS MAINTENANCE ............................................................................................................. 4-42
METHOD FOR LUBRICATING ............................................................................................................... 4-42
METHOD FOR LUBRICATING EQUALIZER BAR CENTER PIN............................................................ 4-43
EVERY 250 HOURS MAINTENANCE ........................................................................................................... 4-43
METHOD FOR LUBRICATING ............................................................................................................... 4-43
METHOD FOR LUBRICATING EQUALIZER BAR SIDE PIN .................................................................. 4-44
METHOD FOR CHECKING OIL LEVEL IN FINAL DRIVE CASE, ADDING OIL ..................................... 4-44
METHOD FOR CHECKING BATTERY ELECTROLYTE LEVEL ............................................................. 4-45
METHOD FOR CHECKING BRAKE PERFORMANCE........................................................................... 4-47
EVERY 500 HOURS MAINTENANCE ........................................................................................................... 4-48
METHOD FOR CHANGING OIL IN ENGINE OIL PAN, REPLACING ENGINE OIL FILTER CARTRIDGE .....
............................................................................................................................................................ 4-48
METHOD FOR REPLACING FUEL PREFILTER CARTRIDGE............................................................... 4-50
METHOD FOR REPLACING AIR CONDITIONER FRESH/RECIRC FILTERS ....................................... 4-53
METHOD FOR CHECKING ELECTRIC WIRING AROUND STARTING MOTOR AND ALTERNATOR .. 4-54
EVERY 1000 HOURS MAINTENANCE ......................................................................................................... 4-54
METHOD FOR CHANGING OIL IN FINAL DRIVE CASE ....................................................................... 4-54
METHOD FOR REPLACING FUEL MAIN FILTER CARTRIDGE ............................................................ 4-55
METHOD FOR REPLACING FUEL TANK BREATHER ELEMENT......................................................... 4-58
METHOD FOR CHECKING ALL TIGHTENING POINTS OF ENGINE INTAKE PIPE CLAMPS.............. 4-58
METHOD FOR REPLACING HYDRAULIC TANK BREATHER ELEMENT ............................................. 4-58
MAINTENANCE SCHEDULE MAINTENANCE
4-12