7GS 461
3. Troubleshooting
3.1 Clutch
Problem Cause Remedy
Cut-off chain becomes stuck under
full load
Clutch shoes badly worn Replace clutch
Clutch drum badly worn Replace clutch drum
Cut-off chain runs when idling Idle speed too high Readjust idle speed screw LA
Tension springs of the clutch shoes
are stretched
Replace clutch springs or replace
clutch
Tension springs of the clutch shoes
are broken
Replace clutch springs
Loud noises Tension springs stretched Replace all clutch springs
Needle cage damaged Replace needle cage
Clutch shoe retainer broken Replace retainer or clutch
Clutch shoes and carrier worn Replace clutch