Stihl TS 500i - Page 18

17TS 500i
Throttle shutter stops
worn
Oil seals
defective
Crankcase leaking,
faulty
Check the throttle shutter
stops, replace throttle
shutter housing if
necessary, b 11.2
Check engine does not
leak, b 6.2
Idle speed
too low
9
8
10
Check oil seals, replace if
necessary, b 6.2, b 6.3
Throttle shutter stops
worn
Check the throttle shutter
stops, replace throttle
shutter housing if
necessary, b 11.2
Injection valve
mechanically
worn
Replace injection valve,
b 11.3
5
4 7
Engine stalls
when idle
Throttle shutter does not
return automatically
Check the throttle shutter
stops, replace throttle
shutter housing if
necessary, b 11.2
6
Pickup body soiled
Check pickup body, replace
if necessary, b 11.8.1
Injection pump has
mechanical fault
Replace injection pump,
b 11.7
Injection valve
mechanically
worn
Replace injection valve,
b 11.3