DEFINED LIFE PARTS LIST
No. Periodical replacement parts Replacement interval
1 Fuel system Fuel hose
Spill hose
Every 2 years or 4000 hours,
whichever comes sooner
2
Engine lubrication system Turbocharger lubrication hose
Engine oil filter hose
3 Steering system High pressure circuit hose
4 Brake system Brake oil pressure hose
5 Torque converter, trans-
mission system
Transmission circuit hose
3 Work equipment hydraulic
system
Main pump delivery hose
Main pump delivery hose other than described
above
Pump branch hose
Main pump LS hose
Hose for hydraulic drive fan
External work equipment hose
• Hoist circuit hose
4 Others PPC accumulator
METHOD FOR CHANGING OIL IN HYDRAULIC TANK
WARNING
• Immediately after the engine is stopped, its parts and oil are still very hot and may cause burn in-
jury.
Accordingly, wait until they have cooled down before starting the work.
• When removing the oil filler cap, the oil may spout out. Turn it slowly to release the internal pres-
sure, then remove it.
NOTICE
When filling the tank with oil after draining the hydraulic oil with the pump suction piping disconnected,
be sure to bleed air through the bleeder.
If the air is not bled, it stays in the suction piping and can damage the pump.
Hydraulic tank refill capacity 167 ℓ
Items to be prepared
Container to receive drained oil
1.
Lower the dump body and stop the engine.
MAINTENANCE MAINTENANCE PROCEDURE
4-81
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