Cut-Off Speed Not Reached - Stihl FS 460 C Technical Information

Technical Information 40.2010
9.1.6

Cut-off speed not reached

Cut-off speed lower than
12300 rpm
Check air filter and spark arrestor
screen (present only in some
countries) in muffler,
replace if necessary
Remove cutting attachment, all
mounting hardware and thrust plate.
Let the machine run three to four times
for approx. 30 s in the cut-off range
Check screw connection of switch
gear
Check start detection (
TI_40_2010_13_01_02.fm
b
9.6)
Are target values attained?
Look for a fault in the fuel path,
check engine for leaks
Cut-off speed =
12300 rpm?
no
Connection
OK?
yes
yes
yes
Troubleshooting completed
Tighten screws/bolts and push on
no
boot all the
way, replace switch gear if
necessary
no
Replace switch gear if necessary
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