English

When engine begins to fire

 

STOP

1

0

178BA008 KN

 

NSet the Master Control lever (1) to the starting throttle position (n).

NPress the button to open the decompression valve.

NHold and start your saw as described.

As soon as the engine runs

 

 

STOP

1

 

0

 

 

 

2

KN

 

178BA009

 

 

NPress 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.

001BA186 KN

NPull 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

NAllow engine to warm up at part throttle.

NChange over to winter operation if necessary – see “Winter Operation”.

Stopping the engine

NMove 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.

NMove the Master Control lever to the stop position (0).

NRemove the spark plug – see "Spark Plug".

NDry the spark plug.

NCrank the engine several times with the starter to clear the combustion chamber.

NRefit the spark plug – see "Spark Plug".

NSet Master Control lever to the starting throttle position (n) – even if the engine is cold.

NPress the button to open the decompression valve.

NNow start the engine.

36

MS 660

Page 38
Image 38
STIHL MS 660 MAGNUM manual When engine begins to fire, As soon as the engine runs, At very low outside temperatures