Stihl TS 500i Service Manual page 17

1
– Check idle behavior
after start
Idle
behavior OK?
yes
4
16
2
Cable breakage on an
electrical component
(control unit, sensor,
injection valve, on / off
Pickup body soiled
Fuel system
Crankcase leaking,
Flywheel out of
adjustment, woodruff key
has sheared off
Injection pump has
mechanical fault
Idle speed too
high, abrasive wheel
no
runs
Clutch springs stretched
or fatigued
Anchor loops of the
tension springs for the
clutch shoes are broken
Throttle cable is jammed
Throttle trigger is stiff
5 6
switch
Check pickup body, replace
Check fuel system does not
leaking
faulty
Check throttle cable, repair
repair if necessary, b 10.2
Visual inspection of
electrical leads
if necessary, b 11.8.1
leak, b 11.6
Check engine does not
leak, b 6.2
Check woodruff key and
flywheel, replace if
necessary, b 7.5
Replace injection pump,
b 11.7
Check clutch, replace if
necessary, b 5.2
Check clutch, replace if
necessary, b 5.2
if necessary, b 11.2.1
Check throttle trigger,
3
7
TS 500i