Every 2000 Hours Service; Change Oil In Hydraulic Tank, Replace Hydraulic Filter Element - Komatsu WA500-6H Operation & Maintenance Manual

4.9 Service procedure

Every 2000 hours service

4.9.10 Every 2000 hours service
Maintenance for every 50, 100, 250, 500 and 1000 hours service
should be carried out at the same time.

Change oil in hydraulic tank, replace hydraulic filter element

WARNING
The parts and oil are at high temperature after the engine is
stopped, and may cause burns. Wait for the temperature to
go down before starting the work.
When removing the oil filler cap, turn it slowly to release the
internal pressure, then remove it.
Refill capacity: 337 liters (89.0 US gal)
1. Lower the bucket horizontally to the ground and apply the
parking brake, then stop the engine.
2. Stop the engine and wait for the temperature at all parts to
go down.
3. Remove oil filler (F) and plug (1) from the filter case.
4. Remove side cover (2) on the right side of the machine.
5. Insert the supplied hose into the drain tube and set a con-
tainer in position to catch the drained oil.
The hose is with the supplied tools.
6. Loosen drain valve (3) gradually and drain the oil.
7. After draining the oil, tighten drain valve (3).
8. Install side cover (2).
4-76
Maintenance
1
F
GK050214
GK050188
3
GK050255
WA500-6H – VEAM430100
2