Komatsu WA250PT-5H, Operation & Maintenance Manual

Page: 192 / 255

Maintenance schedule chart
MAINTENANCE
Service schedule
4-18
Every 1000 hours service 0.
Change oil in transfer case ................................................................................................................................. 4-50
Clean transfer case breather............................................................................................................................... 4-51
Replace HST oil filter element............................................................................................................................. 4-52
Lubricating........................................................................................................................................................... 4-53
Check tightening parts of turbocharger ............................................................................................................... 4-53
Check play of turbocharger rotor......................................................................................................................... 4-53
Check alternator driving belt tension and replacement ....................................................................................... 4-53
Every 2000 hours service 0.
Change oil in hydraulic tank, replace hydraulic filter element ............................................................................. 4-54
Replace hydraulic tank breather element............................................................................................................ 4-55
*Change axle oil .................................................................................................................................................. 4-56
Replace element in air conditioner recirculation air filter, fresh air filter .............................................................. 4-56
Check alternator, starting motor.......................................................................................................................... 4-56
Check engine valve clearance, adjust................................................................................................................. 4-56
Check brake disc wear........................................................................................................................................ 4-57
Clean and check turbocharger ............................................................................................................................ 4-57
Check accumulator gas pressure........................................................................................................................ 4-57
Check vibration damper ...................................................................................................................................... 4-57
*: The interval of 2000 hours for changing the axle oil is for standard operations. If the brake is used frequently or
the brakes make a sound, change the oil after a shorter interval.
Every 4000 hours service 0.
Lubricating........................................................................................................................................................... 4-58
Check water pump .............................................................................................................................................. 4-58