Method For Cleaning The Electric Commutator Of The Rotating Joint - Komatsu PW98MR-10 Operation & Maintenance Manual

MAINTENANCE
9.
Loosen bolt (5) and move cover (6) at the bottom of the
machine.
10. Place the oil container under drain plug (P) at the bottom
of the machine.
11. Remove drain plug (P) to drain the oil by using the socket
wrench handle.
• When removing drain plug (P), be careful not to get oil
on yourself.
Check the installed O-ring for damage. If it is dam-
aged, replace it.
12. After draining the oil, tighten drain plug (P).
Tightening torque 58.8 to 78.4 Nm
13. Return cover (6) to its original position and fix it with bolt (5).
METHOD FOR CLEANING THE ELECTRIC COMMUTATOR OF THE ROTATING
JOINT
Only use the product approved by Komatsu. Ask your Komatsu distributor for further information.
After carrying out this maintenance, start up the engine and - before operating with the machine - check
the complete working of the steering system, the speed gear and the outriggers/blade.
1.
Place the machine on a firm and level surface and lower the work equipment to the ground.
2.
Turn the starting switch key to OFF position (A) and stop
the engine.
3.
Set the battery disconnect switch to OFF (O) position and
remove the switch key.
k k
WARNING
WENAM00061
MAINTENANCE PROCEDURE
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