Stihl MS 311 Instruction Manual page 31

When engine begins to fire
1
Set the Master Control lever (1) to
N
the starting throttle position (n).
Press the button to open the
N
decompression valve.
Hold and start your saw as
N
described.
As soon as the engine runs
1
2
Press down trigger lockout and the
N
blip the throttle trigger (2) – the
Master Control lever (1) moves to
the run position (F) and the engine
settles down to idling speed.
MS 311, MS 391
STOP
0
Pull the hand guard back toward the
N
front handle.
The chain brake is now disengaged –
your saw is ready for operation.
NOTICE
Always disengage chain brake before
accelerating the engine. High revs with
the chain brake engaged (chain locked)
will quickly damage the clutch and chain
brake.
At very low outside temperatures
STOP
Allow engine to warm up at part
N
0
throttle.
Change over to winter operation if
N
necessary – see "Winter Operation".
Stopping the engine
Move the Master Control lever to the
N
stop position (0).
If you have moved the Master Control
lever from the starting throttle
position (n) to the stop position (0) –
depress the trigger lockout and throttle
trigger at the same time.
If engine does not start
If you did not move the Master Control
lever from the choke closed
position (l) to the starting throttle
position (n) quickly enough after the
engine began to fire, the combustion
chamber may be flooded.
Move the Master Control lever to the
N
stop position (0).
Remove the spark plug – see
N
"Spark Plug".
Dry the spark plug.
N
Crank the engine several times with
N
the starter to clear the combustion
chamber.
Refit the spark plug – see "Spark
N
Plug".
Set Master Control lever to the
N
starting throttle position (n) – even
if the engine is cold.
Press the button to open the
N
decompression valve.
Now start the engine.
N
English
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