Air Filter System; Remove Air Filter - Stihl MS 440 Instruction Manual

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Air Filter System

The air filter system can be adapted to
different operating conditions by the
insertion of different air filters.
Retrofitting is simple.
HD2-Filter (black filter frame. folded
N
filter fabric) Universal filter for
almost all conditions of use (from
very dusty to wintry conditions etc.)
Wire mesh filter (green filter
N
housing) Use in extra-ordinary
conditions e.g. extremely wintry
conditions of use - such as powder
snow or drift snow. Rather
unsuitable in very dusty conditions.
When dry, STIHL filters attain a long
service life.
Always use STIHL filters dry
N
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Fouled air filters will impair engine
performance, increase fuel consumption
and make the machine more difficult to
start.
Box filter
Fabric filter for normal operating
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conditions and winter operation.
Fleece filter for dry, very dusty
N
operating environments
Fouled air filters will impair engine
performance, increase fuel consumption
and make the machine more difficult to
start.

Remove air filter

Open the twist lock above the rear
N
handle in the direction of the arrow
and remove the carburetor box
cover.
HD filter
Pull off the filter.
N
MS 440