Komatsu WA600-8 Operation & Maintenance Manual page 354

TROUBLES AND ACTIONS
1.
Remove plugs (1) in front of the transmission case.
2.
Remove bolts (2) (2 pieces) from the 12 pieces of mount-
ing bolt on the cover of the parking brake chamber.
3.
Insert bolts (2) into the holes from which plugs (1) were re-
moved.
Screw in the bolts evenly until they stop.
The parking brake is released.
METHOD FOR OPERATING MACHINE IN EMERGENCY
The normal gear shifting operation is performed by electric signals. If there should be a failure in the electrical
system, and the machine does not move, ask your Komatsu distributor.
NOTICE
If an emergency travel operation is needed, ask your Komatsu distributor to perform it.
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OPERATION