Troubleshooting; Clutch - Stihl BT 45 Manual

4.

Troubleshooting

4.1

Clutch

Condition
Tool stops at full throttle
under load
Tool runs at idle speed
Loud noises
BT 45
Cause
Clutch shoes badly worn
Idle speed too high
Clutch springs stretched or
fatigued
Spring hooks broken
Clutch springs stretched or fatigued Replace all clutch springs
Clutch shoe retainer (carrier)
broken
Clutch shoes and carrier worn
Remedy
Install new clutch shoes or a new
clutch
Readjust idle speed screw
(counterclockwise)
Fit new clutch springs
Fit new clutch springs
Fit new retainer (carrier) or clutch
Install a new clutch
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