Komatsu PC490-11, Installation And Instruction Manual

Page: 352 / 492

MAINTENANCE SCHEDULE
• If the machine is equipped with a hydraulic breaker, the maintenance schedule for some parts are different.
Check the maintenance interval and perform maintenance. For detail, see “MAINTENANCE INTERVAL
FOR HYDRAULIC BREAKER (4-13)”.
• 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. For details, see the oil part number and note in “RECOMMENDED FUEL,
COOLANT, AND LUBRICANT (7-5)”.
• Contact 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 CHECKING LOOSENESS AND TIGHTENING TRACK SHOE BOLTS .......................... 4-26
METHOD FOR CHECKING AND ADJUSTING TRACK TENSION ......................................................... 4-26
METHOD FOR REPLACING BUCKET TEETH (VERTICAL PIN TYPE) ................................................. 4-27
METHOD FOR REPLACING BUCKET TEETH (HORIZONTAL PIN TYPE)............................................ 4-30
METHOD FOR REPLACING BUCKET SIDE CUTTER AND SHROUD .................................................. 4-31
METHOD FOR ADJUSTING BUCKET CLEARANCE ............................................................................. 4-32
METHOD FOR CHECKING WINDOW WASHER FLUID LEVEL, ADDING FLUID ................................. 4-33
METHOD FOR CHECKING AND MAINTENANCE AIR CONDITIONER................................................. 4-33
METHOD FOR WASHING WASHABLE FLOOR .................................................................................... 4-35
METHOD FOR CHECKING GAS SPRING ............................................................................................. 4-38
METHOD FOR BLEEDING AIR FROM HYDRAULIC CIRCUIT .............................................................. 4-39
METHOD FOR CLEANING LINE FILTER AND REMOVING DIRT ......................................................... 4-41
CHECK AUTOMATIC GREASE SYSTEM...................................................................................................... 4-41
PERIODIC CHECKS............................................................................................................................... 4-41
REFILLING GREASE.............................................................................................................................. 4-42
GREASING PROCEDURE ..................................................................................................................... 4-42
SYSTEM TEST ....................................................................................................................................... 4-42
CHECKS BEFORE STARTING...................................................................................................................... 4-43
EVERY 50 HOURS MAINTENANCE ............................................................................................................. 4-44
METHOD FOR LUBRICATING WORK EQUIPMENT ............................................................................. 4-44
EVERY 250 HOURS MAINTENANCE ........................................................................................................... 4-45
METHOD FOR CHECKING BATTERY ELECTROLYTE LEVEL ............................................................. 4-45
METHOD FOR CHECKING AND ADJUSTING AIR CONDITIONER COMPRESSOR BELT TENSION.. 4-46
METHOD FOR CHECKING LOOSENESS AND TIGHTENING CONNECTING BOLT BETWEEN CENTRE
FRAME AND TRACK FRAME ............................................................................................................. 4-48
METHOD FOR LUBRICATING SWING CIRCLE .................................................................................... 4-48
EVERY 500 HOURS MAINTENANCE ........................................................................................................... 4-48
METHOD FOR LUBRICATING ............................................................................................................... 4-49
METHOD FOR CHANGING OIL IN ENGINE OIL PAN, REPLACING ENGINE OIL FILTER CARTRIDGE .....
............................................................................................................................................................ 4-50
METHOD FOR REPLACING FUEL PRE-FILTER CARTRIDGE ............................................................. 4-51
METHOD FOR CHECKING SWING PINION GREASE LEVEL, ADD GREASE ..................................... 4-53
METHOD FOR CHECKING AND CLEANING RADIATOR FINS, OIL COOLER FINS, AFTERCOOLER
FINS, AND AIR CONDITIONER CONDENSER FINS ......................................................................... 4-53
METHOD FOR CLEANING AIR CONDITIONER FRESH/RECIRC FILTERS.......................................... 4-55
METHOD FOR CHECKING OIL LEVEL IN SWING MACHINERY CASE, ADDING OIL ......................... 4-57
METHOD FOR CHECKING OIL LEVEL IN FINAL DRIVE CASE, ADDING OIL ..................................... 4-57
EVERY 1000 HOURS MAINTENANCE ......................................................................................................... 4-58
CHECK STRUCTURES FOR CRACKS .................................................................................................. 4-58
METHOD FOR REPLACING HYDRAULIC OIL FILTER ELEMENT........................................................ 4-58
METHOD FOR CHANGE OIL IN SWING MACHINERY CASE ............................................................... 4-60
METHOD FOR CHECKING AND ADDING OIL IN DAMPER CASE ....................................................... 4-60
METHOD FOR REPLACING FUEL MAIN FILTER CARTRIDGE ............................................................ 4-61
METHOD FOR CHECKING ALL TIGHTENING POINTS OF ENGINE INTAKE PIPE CLAMPS.............. 4-63
MAINTENANCE SCHEDULE MAINTENANCE
4-12