Stihl TS 500i - Page 23

22 TS 500i
Clutch springs stretched
or fatigued
Anchor loops of the
tension springs for the
clutch shoes are broken
Throttle cable is jammed
– Check idle behavior
after work completed
Check clutch, replace if
necessary, b 5.2
Check woodruff key and
flywheel, replace if
necessary, b 7.5
Check throttle cable, repair
if necessary,
b 11.2.1
Behavior
OK?
no
yes
Engine won't go into idle
speed
20
19 21
Flywheel is cracked,
damaged
Flywheel out of
adjustment, woodruff key
has sheared off
Injection pump has
mechanical fault
Check flywheel, replace if
necessary, b 7.5
Check clutch, replace if
necessary, b 5.2
Replace injection pump,
b 11.7
Throttle trigger is stiff
Check throttle trigger,
repair if necessary, b 10.2
Throttle shutter does
not return
automatically
Check the throttle shutter
stops, replace throttle
shutter housing if
necessary, b 11.2
Injection valve
mechanically
worn
Replace injection valve,
b 11.3
16
18
Injection valve has
mechanical fault
Replace injection valve,
b 11.3
17