Method For Change Oil In Swing Machinery Case - Komatsu PC290LC-11 Operation & Maintenance Manual

MAINTENANCE
7.
Install the new element in the place where old element (5) was installed.
8.
Place strainer (4), valve (3) and spring (2) onto the element.
9.
Set cover (1) in position, press it down by hand, and install the cover with the mounting bolts.
10. Install the oil filler cap.
11. Start the engine and run it at low idle for 10 minutes to bleed air. For details, see "METHOD FOR START-
ING ENGINE (3-168)".
12. Stop the engine.
REMARK
Leave the engine stopped for at least 5 minutes, and then start it. This will remove the air bubbles in the oil
inside the tank.
13. Check that there is no leakage of oil and wipe off any oil that is spilled.

METHOD FOR CHANGE OIL IN SWING MACHINERY CASE

Immediately after the engine is stopped, its parts and oil are still very hot, and may cause burn injury.
Accordingly, wait until they have cooled down before starting the work.
Refill capacity: 7.2 ℓ
Items to be prepared
Container to receive drained oil
1.
Remove cover (A) of the inspection hole.
2.
Place a container under drain plug (P) on the underside of
the machine to receive the oil.
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WARNING
MAINTENANCE PROCEDURE
4-57