Air Filter System; Cleaning The Air Filter - Stihl MS 261 C-M Instruction Manual

Air Filter System

The air filter system can be adapted to
suit different operating conditions by
installing different filters. Changing a
filter is accomplished quickly and simply.
HD2 Filter Universal filter for almost
N
all operating conditions (from very
dusty to very cold)
Synthetic fabric filter: For use in
N
severe conditions, e.g. extreme
wintry operating conditions - such
as powdery or drifting snow. Less
suitable for very dusty conditions.
STIHL filters have a long service life in
dry operating conditions.
Always use STIHL filters in dry
N
state.
Dirty air filters reduce engine power,
increase fuel consumption and make
starting more difficult.
MS 261 C-M

Cleaning the Air Filter

If There is a Noticeable Loss of Engine
Power
Remove the shroud – see "Shroud".
N
Removing the Air Filter
Clean away loose dirt from around
N
the filter.
NOTICE
To avoid damaging the filter, do not use
tools to remove or install the air filter.
1.
2.
Rotate the air filter a 1/4 turn
N
counterclockwise and lift it away in
the direction of the rear handle.
Always replace damaged filters.
N
Cleaning the Air Filter
Knock out the filter.
N
Spray outside of filter with STIHL
N
special cleaner or soapy water.
Rinse outside of filter under warm
N
running water.
NOTICE
High temperatures and oil can damage
the air filter. Filter efficiency can
deteriorate as a result.
Allow air filter to dry without using
–
any external source of heat.
Do not impregnate the filter with oil.
–
Allow air filter to dry.
N
Install the air filter.
N
Installing the Air Filter
1.
2.
Place the air filter in position.
N
Push the air filter towards the filter
N
housing and turn it clockwise at the
same time until it engages – the
"STIHL" name must be horizontal.
Install the shroud – see "Shroud".
N
English
35