Method For Draining The Hydraulic Oil Tank - Komatsu PW118MR-11 Operation & Maintenance Manual

MAINTENANCE
1.
Open the central right cover.
2.
Remove the screws (1) and remove the cover (2).
3.
Loosen the cam (F) and gradually discharge the internal
pressure.
4.
Remove the cap (F) and replace it.

METHOD FOR DRAINING THE HYDRAULIC OIL TANK.

(for machines with synthetic biodegradable oil type HEES)
• Immediately after the engine is stopped, its parts and oil are still very hot and may cause burn in-
jury. Wait for the temperature to go down, and then start the work.
• The oil may spray out when the oil filler cap is removed. Turn it slowly to release the internal pres-
sure, then remove it carefully.
NOTICE
The tank must be drained before starting the engine, with temperatures exceeding 0°C; when the tem-
perature is below 0°C, the tank must be drained at the end of work or in any case with the machine at
operating temperature, in order to prevent the condensate from freezing.
Refill capacity: 80 ℓ
Items to be prepared
• Container to catch the drained oil
• Oil drain hose (supplied)
1.
Retract the cylinders of the bucket and the arm completely,
fully extend the cylinder of the 2-piece boom and lower the
boom until the bucket teeth rest on the ground. Lower the
blade to the ground.
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WARNING
WENAM00130
MAINTENANCE PROCEDURE
RKA63662
RKA63520
4-53