Engine Management; Adjusting The Carburetor - Stihl FS 240 Manual De Instrucciones

English
Filter Element for Winter Operation
Maintenance and care of the special
filter element for winter operation are
described in the chapter on "Winter
Operation".
36

Engine Management

Exhaust emissions are controlled by the
design of the fundamental engine
parameters and components (e.g.
carburation, ignition, timing and valve or
port timing) without the addition of any
major hardware.

Adjusting the Carburetor

L
H
LA
The carburetor has been set at the
factory to provide an optimum fuel-air
mixture under most operating
conditions.
Adjusting idle speed
Engine stops while idling
Turn the idle speed screw (LA)
N
slowly clockwise until the engine
runs smoothly.
Cutting tool rotates when engine is idling
Turn the idle speed screw (LA)
N
slowly counterclockwise until the
cutting attachment stops moving.
FS 240, FS 240 R