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Adjusting the Carburetor

General information

The carburetor comes from the factory with a standard setting

This setting provides an optimum fuel-air mixture under most operating conditions.

With this carburetor it is only possible to adjust the engine idle speed within fine limits.

Standard setting

3

H

 

L

 

 

/4

1

 

 

 

 

/4

H

L

 

 

 

 

 

 

 

 

 

176BA011 KN

:Shut off the engine.

:Turn the high speed adjusting screw

(H)counterclockwise up to the stop, i.e. 3/4 turn from max. lean setting.

:Turn the low speed adjusting screw

(L)one quarter of a turn

counterclockwise from max. lean setting.

Adjusting idle speed

3

H

 

L

 

/4

1

 

 

 

/4

L

 

 

 

 

 

 

 

LA

KN

 

 

 

176BA012

 

 

 

 

Engine stops while idling

:Open the low speed screw (L) counterclockwise one quarter of a turn from max. lean setting.

:Turn the idle speed adjusting screw (LA) clockwise until chain begins to run – then back off the screw one quarter of a turn.

Chain runs when engine is idling

:Open the low speed screw (L) counterclockwise one quarter of a turn from max. lean setting.

:Turn the idle speed adjusting screw (LA) counterclockwise until chain stops running – then turn screw another quarter turn in the same direction.

If the chain continues moving when the engine is idling, have your saw checked and repaired by your

servicing dealer.

48

Rescue Saw