Stihl MS 192 T Manual page 9

4. Troubleshooting
4.1 Clutch
Problem
Saw chain stops under load at full
throttle
Saw chain rotates at idle speed
Loud noises
8
Cause
Clutch shoes badly worn
Clutch drum badly worn
Idle speed too high
Clutch springs stretched or fatigued Replace clutch springs or install
Clutch spring hooks broken
Clutch springs stretched or fatigued Replace all clutch springs
Needle cage damaged
Clutch shoe retainer broken
Clutch shoes and carrier worn
Remedy
Install new clutch
Install new clutch drum
Readjust with idle speed screw LA
(anticlockwise)
new clutch
Replace clutch springs
Fit new needle cage
Fit new retainer
Install new clutch
MS 192 T