Komatsu PC45MR-30403, Operation And Maintenance Manual

Page: 399 / 475

8) Set the lock lever to LOCK position (L).
Be sure to operate the lock lever by the operating por-
tion on the top.
9) Stop the engine.
2.
Open the dirt cover (1).
Open the dirt cover (1) fully and it will be secured by the
cover support lever (2).
3.
Loosen the bolt (3) of the hydraulic tank, move the plate
(4) on the oil filler port (F), and turn the cap of the oil filler
port (F) slowly to remove it.
Release the internal pressure.
4.
Place the oil container under the drain plug (P) at the bot-
tom of the machine to catch the drained oil.
5.
Remove the drain plug (P) to drain the oil by using the
socket wrench handle.
When removing the drain plug (P), be careful not to get oil
on yourself.
6.
Check the O-ring installed to the drain plug (P) for dam-
age.
If the O-ring is damaged, replace it with new O-ring.
7.
After draining the oil, tighten the drain plug (P).
Tightening torque:
58.8 to 78.4 Nm {6 to 8 kgm, 43.4 to 57.8 lbft}
8.
Loosen the bolts (5) at the bottom of hydraulic tank, and
remove the undercover (6).
MAINTENANCE PROCEDURE MAINTENANCE
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