1 Swing the superstructure to the side and raise
the track by using boom and dipper arm. For this
movement, operate the lever slowly.
2 Turn the track slowly in forward and reverse
direction several time. Stop the track while
moving in the reverse direction.
3 Measure the track slack (L) at the center of track
frame, the clearance between the bottom of
track frame and the upper surface of track shoe.
4 Adjust the track tension according to the soil
characteristics.
Recommended track tension is as below,
Working condition Clearance ( L) (mm) (in)
General soil 260 - 280 (10.2- 11.0)
Rocky ground 240 - 260 (9.4 - 10.2)
Moderate soil like
gravel, sand, snow, and
so on.
280 - 300 (11.0 - 11.8)
302
Maintenance
Maintenance service, every 50 hours
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