8 FC 75, FC 85, FH 75, FS 75, FS 80, FS 85, HL 75, KM 85, KW 85
4. Troubleshooting
4.1 Clutch
Condition Cause Remedy
Tool stops at full throttle
under load
Clutch shoes badly worn Install new clutch shoes or a new
clutch
Clutch drum badly worn Replace clutch drum
Tool runs at idle speed Idle speed too high Readjust idle speed screw
(counterclockwise)
Clutch springs stretched or
fatigued
Fit new clutch springs
Clutch spring hooks broken Fit new clutch springs
Loud noises Clutch springs stretched or fatigued Replace all clutch springs
Clutch shoe retainer (carrier)
broken
Fit new retainer (carrier) or clutch
Clutch shoes and carrier worn Install a new clutch
Needle cage damaged Install a new needle cage
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