79
B. Adjustment
Increase tension power
1) Take off cover .①
2) Use grease gun to inject grease into grease
pressure relief valve through grease nozzle.②
3) Check the track tensity.
Decrease tension power
1) Take off cover .①
2) Slowly screw off grease pressure relief valve to ②
release grease. If there are any difficulties when
adding the grease, move the machine forward or
backward.
3) Screw down grease pressure valve .②
4) Check the track tensity.
Replace rubber track
Check the rubber track and repair or replace them
immediately when following conditions appear. And
contact the SUNWARD dealer for repair or
replacement.
1) If the track has been pulled longer and can not
recover, it should be replaced immediately.
2) If the dummy club is lower than 5mm, replace ①
track.
3) If more than 2 of the steel wire core have ②
exposure, replace track.
4) If half of the steel wire core has broken, replace ②
the track.
5) Replace the track if only one of the iron core has
desquamated.
6) Replace track when rubber track has a more than 60mm long gap.
A. Disassemble
1) Completely loosen the tightened track. (Refer to page 83 and 84 “inspection of track”)
2) Slowly operate the control lever, use the operation device and dozer blade to lift the machine,
and use other firm and stable objects to support the machine.
3) Insert a steel pipe into the gap between rubber track and the track frame, slowly reverse the
FIG.4-30
FIG.4-31
FI
4-
2
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