Instruction Manual

MS 660
English
36
When engine begins to fire
N Set the Master Control lever (1) to
the starting throttle position (n).
N Press the button to open the
decompression valve.
N Hold and start your saw as
described.
As soon as the engine runs
N Press down trigger lockout and the
blip the throttle trigger (2) – the
Master Control lever (1) moves to
the run position (F) and the engine
settles down to idling speed.
N Pull the hand guard back toward the
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
N Allow engine to warm up at part
throttle.
N Change over to winter operation if
necessary – see “Winter Operation”.
Stopping the engine
N Move the Master Control lever to the
stop position (0).
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.
N Move the Master Control lever to the
stop position (0).
N Remove the spark plug – see
"Spark Plug".
N Dry the spark plug.
N Crank the engine several times with
the starter to clear the combustion
chamber.
N Refit the spark plug – see "Spark
Plug".
N Set Master Control lever to the
starting throttle position (n) – even
if the engine is cold.
N Press the button to open the
decompression valve.
N Now start the engine.
1
178BA008 KN
STOP
0
1
2
178BA009 KN
STOP
0
001BA186 KN