Engine Management; Adjusting The Carburetor - Stihl FS 38 Instruction Manual

English
4
3
Remove the felt element (3) from
N
the filter housing (4) and replace it –
knock out or blow out as a
temporary measure – do not wash.
Replace damaged parts.
N
Fit the felt element (3) in the filter
N
housing (4).
Close the filter cover so that it snaps
N
into position.
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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

General Information
The carburetor comes from the factory
with a standard setting.
This setting provides an optimum fuel-air
mixture under most operating
conditions.
Preparations
Shut off the engine.
N
Mounting the cutting attachment.
N
Check the air filter and clean or
N
replace if necessary.
Check the spark arresting screen in
N
the muffler and clean or replace if
necessary. STIHL recommends that
you have servicing and repair work
carried out exclusively by an
authorized STIHL servicing dealer.
FS 38