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