Komatsu PW118MR-11 Operation & Maintenance Manual page 410

MAINTENANCE PROCEDURE
4.
Open the central right cover.
5.
Remove the screws (1) and remove the cover (2).
6.
Loosen the cam (F) and gradually discharge the internal
pressure.
7.
Remove the cap of oil filler port (F).
8.
Place a container of sufficient capacity under the valve (P)
to collect the oil contained in the tank.
9.
Remove the cap, connect the supplied hose (3) and dis-
charge the oil.
10. After draining the oil, remove the hose and fit the cap the
drain valve (P).
11. Loosen the bolts (3) (12 pieces) and remove the cover (4).
The cover may lift due to the force of the springs (5 and
(6). Therefore, hold the cover when removing the bolts.
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MAINTENANCE
RKA63662
RKA63520
P
RKA63650
RKA65390
RKA65410