Fault Phenomenon: Teupen S20 spider lift while driving, one track suddenly breaks, vehicle cannot move.

Troubleshooting Process:
– Checked track tension: too tight or too loose.
– Checked drive sprocket: sprocket teeth worn.
– Checked guide rollers: guide roller seized.
– Checked track shoes: fatigue fracture.

Root Cause: Improper track tension or a seized guide roller caused the track to fatigue and break.

Required Parts: Track assembly and guide rollers.