Engine Management; Adjusting The Carburetor; Winter Operation - Stihl FS 260 C Instruction Manual

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.
FS 260 C, FS 360 C

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.

Winter Operation

At temperatures below +10°C (+50°F)
Preheating the carburetor
Repositioning the shutter allows heated
air to be drawn in from around the
cylinder and mixed with cold air – this
helps prevent carburetor icing.
2
1
An arrow (1) on the shroud indicates the
setting of the shutter (2) for summer or
winter operation. Meaning of symbols:
"Sun" = summer operation
–
"Snowflake" = winter operation
–
English
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