Stihl FS 250 Instruction Manual page 29

Hold the starter grip with your right
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hand.
Pull the starter grip slowly until you
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feel it engage and then give it a brisk
strong pull.
NOTICE
Do not pull out the starter rope all the
way – it might otherwise break.
Do not let the starter grip snap back.
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Guide it slowly back into the housing
so that the starter rope can rewind
properly.
Continue cranking.
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When engine begins to fire
Turn the choke knob to e.
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Continue cranking until the engine
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runs.
As soon as the engine runs
Blip the throttle trigger immediately.
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The slide control moves to the
normal run position F – and the
engine settles down to idle speed.
WARNING
Make sure the carburetor is correctly
adjusted. The cutting attachment must
not rotate when the engine is idling.
FS 250, FS 250 R
Your machine is now ready for
operation.
Stopping the Engine
Push the slide control in the
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direction of the arrow on the stop
symbol (h) to STOP-0.
At very low outside temperatures
As soon as the engine runs:
Blip the throttle trigger to disengage
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the starting throttle position. The
slide control moves to the normal
run position F – and the engine
settles down to idle speed.
Open the throttle slightly.
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Warm up the engine for a short
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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 is flooded.
Turn the choke knob to e.
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Select the starting throttle position.
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Start the engine by pulling the
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starter rope briskly – 10 to 20 pulls
may be necessary.
If the engine still does not start
Push the slide control in the
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direction of the arrow on the stop
symbol (h) to STOP-0.
Remove the spark plug – see
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"Spark Plug".
Dry the spark plug.
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Open the throttle wide.
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Crank the engine several times with
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the starter to clear the combustion
chamber.
Refit the spark plug – see "Spark
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Plug".
Move the slide control to START.
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Set the choke knob to e – even if
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the engine is cold.
Start the engine.
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Throttle Cable Adjustment
Check adjustment of throttle cable –
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see chapter on "Adjusting the
Throttle Cable".
Fuel tank run until completely dry
Recommendation: Carry out the
following steps irrespective of the
engine's operating condition before the
tank was run dry.
After refueling, press the manual
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fuel pump bulb at least five times –
even if the bulb is filled with fuel.
Turn the choke knob to g.
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Go to section on "Starting" and re-
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start the engine as described for a
cold engine.
English
27