Stihl FS 500 Instruction Manual page 26

English
N Do not let the starter grip snap back.
Guide it slowly back into the housing
so that the starter rope can rewind
properly.
N Continue cranking.
When the engine begins to fire:
N Turn the choke knob away from g
– clockwise.
N Press in button to open the
decompression valve.
N Continue cranking until the engine
runs.
As soon as the engine runs
3
2
N Blip the throttle trigger (2) – the slide
control (3) moves to the run
position F and the engine settles
down to idling speed.
24
Make sure the carburetor is
correctly adjusted. The cutting
attachment must not rotate when
the engine is idling.
Your machine is now ready for
operation.
Stopping the engine
N Push the slide control in the
direction of the arrow on the stop
symbol (h) to 0.
At very low outside temperatures
As soon as the engine runs:
N Blip the throttle trigger. The slide
control moves to the normal run
position F – and the engine settles
down to idle speed.
N Open the throttle slightly.
N Warm up the engine for a short
period.
Change over to winter mode if
necessary – see section on "Winter
Operation".
If the engine does not start
Choke knob
If you did not turn the choke knob away
from g quickly enough after the engine
began to fire, the combustion chamber is
flooded.
N Turn the choke knob away from g.
N Select the starting throttle position.
N Start the engine by pulling the
starter rope briskly – 10 to 20 pulls
may be necessary.
If the engine still does not start:
N Push the slide control in direction of
h – to 0.
N Remove the spark plug – see
"Spark Plug".
N Dry the spark plug.
N
Open the throttle wide.
N Crank the engine several times with
the starter to clear the combustion
chamber.
N Refit the spark plug – see "Spark
Plug".
N Move the slide control to START.
N Turn the choke knob away from g
– even if the engine is cold.
N Start the engine.
Throttle cable adjustment
N Check adjustment of throttle cable –
see chapter on "Adjusting the
Throttle Cable".
Fuel tank run until completely dry
N After refueling, press the fuel pump
bulb at least five times – even if the
bulb is filled with fuel.
N Set the choke knob according to
engine temperature.
N Start the engine.
FS 500, FS 550