MS 441
English
36
The air filter system can be adapted to
suit different operating conditions by
installing different filters. Changing the
filter is quick and simple.
N HD filter (1) (black filter housing)
with felt prefilter for normal, dry or
very dusty work areas.
N Standard wire mesh filter (2) (green
filter housing) for extreme wintry
operating conditions (e.g. in powder
or drifting snow, frost).
STIHL filters (standard and HD) have a
long service life when kept in a dry
condition.
N Always use STIHL filters in dry
condition.
Dirty air filters reduce engine power,
increase fuel consumption and make
starting more difficult.
N Use the combination wrench to
open the fasteners (1) in the
direction of the arrow.
N Remove the carburetor box
cover (2).
N Loosen the nut (3) in the direction of
the arrow.
N Pull off the filter.
If there is a noticeable loss of engine
power
N Knock out the filter or blow it clear
with compressed air from the inside
outwards.
In case of stubborn dirt or stuck filter
fabric
N Wash the filter in a clean, non-
flammable cleaning liquid (e. g.,
warm soapy water) and dry it.
N Do not oil the standard filter
Always replace a damaged filter.
N Reinstall filter
Air Filter System
1
001BA180 KN
2
001BA181 KN
Remove air filter Clean standard filter
137BA013 KN
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