Stihl MS 381 Instruction Manual page 28

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At very low outside temperatures:
:
Allow engine to warm up at part
throttle.
To shut down the engine:
:
Move Master Control lever to c
If fuel tank has been run until dry
and then refueled:
:
Press the button to open the
decompression valve.
:
Pull starter rope several times until
fuel system is primed.
:
Now start the engine.
MS 381
If the engine does not start:
If you did not move the Master Control
lever to the "warm start" position quickly
enough after the engine began to fire,
the combustion chamber has flooded.
11
10
7
:
Move Master Control (7) to run
position.
:
Loosen knob (10) in direction of
arrow.
:
Remove carburetor box cover (11).
:
Pull off the spark plug boot.
:
Unscrew and dry off the spark plug.
Set the Master Control lever to c
:
:
Press down the trigger interlock
lever – open the throttle wide and
crank the engine several times with
the starter to clear the combustion
chamber.
:
Install the spark plug and connect
the spark plug boot (press it down
firmly) – reassemble the other
parts.
:
Set the Master Control lever to the
warm start position – even if the
engine is cold.
:
Press the button to open the
decompression valve.
:
Now start the engine.
English
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