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TRANSPORTATION
2. Swing the upper structure so that it is at 90° on the oppo-
site side to track frame (A) to be extended.
REMARK
Height H of the track frame being raised should be less than 50
mm. Take care not to raise the track frame so much that the
stopper bolt is distorted.
3. Using the arm, pull the machine to the front.
The track frame will slide.
4. Extend the track frame until it comes into contact with the
stopper, then lower the machine slowly to the ground.
Install bolts (1) (one side, front + rear: 20 bolts) and tighten
to specified torque.
Tightening torque: 2452 - 3040 N·m
(250 - 310 kgf·m)
5. Follow the same procedure to retract the track frame on
the other side.
q Stop the machine on firm level ground when extending
or retracting the track frame gauge width.
q Never operate the cylinders suddenly when extending
or retracting the track frame gauge width. It is danger-
ous if they are operated suddenly.
3-136
OPERATION
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