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MAINTENANCE
MAINTENANCE PROCEDURE
EVERY 5000 HOURS MAINTENANCE
Maintenance for every 50, 100, 250, 500 and 1000 hours service should be carried out at the same time.
CHANGE OIL IN HYDRAULIC TANK
WARNING
The parts and oil are at high temperature immediately 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.
NOTICE
If the machine is equipped with a hydraulic breaker, the hydraulic oil will deteriorate much faster than during normal bucket
operations. For details, see "MAINTENANCE INTERVAL FOR HYDRAULIC BREAKER (PAGE 4-17)" when carrying out
maintenance.
Refill, capacity: 188 liters (49.67 US gal)
Prepare a handle (for the socket wrench).
1. Swing the upper structure so that hydraulic tank drain plug (P)
and drain plug (A) at the bottom of the pump suction tube are
in the middle between the left and right tracks.
2. Retract the arm and bucket cylinders, then lower the boom and
put the teeth in contact with the ground.
3.
Set the lock lever to the LOCK position and stop the engine.
4.
Remove the cap of oil filler port (F) at the top of the hydraulic
tank.
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