Stihl FS 90 Instruction Manual page 39

English / USA
: Pull the starter grip slowly with your
right hand until you feel it engage
and then give it a brisk strong pull.
Do not pull out the starter rope to full
length – it might otherwise break.
: Do not let the starter grip snap back.
Guide it slowly back into the housing
so that the starter rope can rewind
properly.
38
: Crank engine until it begins to fire.
After no more than five attempts,
turn the choke knob to e
: continue cranking.
When the engine begins to fire:
: Blip the throttle trigger so that the
slide control moves to the normal
run position # and the engine settles
down to idle speed.
Make sure the carburetor is
correctly adjusted – the cutting tool
must not rotate when the engine is
idling.
Your machine is now ready for
operation.
Stopping the engine
: Move the slide control in direction of
arrow (h) to STOP-O.
At very low outside temperatures
As soon as engine runs:
: Blip the throttle trigger to disengage
the starting throttle position. The
slide control moves to the normal
run position #
and the engine settles down to idle
speed.
: Open the throttle slightly.
: Warm up engine for brief period.
If the engine does not start
Choke knob
If you did not turn the choke knob to e
quickly enough after the engine began to
fire, the combustion chamber has
flooded.
: Turn choke knob to e
: Select starting throttle position.
: Start the engine by pulling the
starter rope firmly. 10 to 20 pulls
may be necessary.
If the engine still does not start:
10
: Move the slide control to STOP-O.
: Pull off the spark plug boot (10).
FS 90, FS 90 R