Cleaning The Air Filter - Stihl BG 55 Instruction Manual

Cleaning the Air Filter

If there is a noticeable loss of engine
power
2
1
Move the choke lever to g
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Squeeze the tabs (1) together.
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Swing the filter cover (2) open and
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take it away.
Clean away loose dirt from around
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the filter.
BG 55, BG 65, BG 85, SH 55, SH 85
4
3
Take the filter (3) out of the filter
N
housing (4).
Install a new filter. As a temporary
N
measure you can knock it out on the
palm of your hand or blow it out with
compressed air – do not wash.
Replace any damaged parts.
Fit the filter (3) in the filter
N
housing (4).
Fit the filter cover (2) so that it snaps
N
into position.
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.
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Check the air filter and clean or
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replace if necessary.
Check the spark arresting screen
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(not in all models, country-specific)
in the muffler and clean or replace if
necessary.
Different Standard Settings
Different carburetors are installed at the
factory. A different standard setting is
necessary for each of these carburetors.
Standard setting A
High speed screw (H) = 3/4
–
Low speed screw (L) = 1
–
Standard setting B
High speed screw (H) = 3/4
–
Low speed screw (L) = 3/4
–
English
15