Komatsu PC45MR-30403, Operation And Maintenance Manual

Page: 253 / 475

METHOD FOR ESCAPING FROM MUD
Always operate carefully to avoid getting stuck in mud. If the machine does get stuck in mud, do as follows to
get the machine out.
METHOD FOR ESCAPING WHEN TRACK ON ONE SIDE IS STUCK
NOTICE
Use the bottom of bucket to push the ground. Operate the
boom or arm to raise the machine. (Do not raise with the
teeth in contact with the ground)
At this time, set angle (a) between the boom and arm to 90
to 110 °.
When the track on either side gets stuck, pull out the machine
according to the following procedure.
1.
Move the bucket to the side of the stuck track and press
the ground with it.
The track is raised.
2.
Place logs, wooden blocks, etc. under the track.
3.
Raise the bucket and escape.
METHOD FOR ESCAPING WHEN TRACKS ON BOTH SIDES ARE STUCK
When the tracks on both sides get stuck, pull out the machine according to the following procedure.
1.
Place logs, wooden blocks, etc. under the tracks according
to the above procedure.
2.
Thrust the bucket into the front ground.
3.
Move the arm IN as in digging work and set the travel lever
to FORWARD to pull out the machine.
MACHINE OPERATIONS AND CONTROLS OPERATION
3-192