Instruction Manual

MS 261 C-M
English
33
If There is a Noticeable Loss of Engine
Power
N Remove the shroud – see "Shroud".
Removing the Air Filter
N Clean away loose dirt from around
the filter.
NOTICE
To avoid damaging the filter, do not use
tools to remove or install the air filter.
N Rotate the air filter a 1/4 turn
counterclockwise and lift it away in
the direction of the rear handle.
N Always replace damaged filters.
Cleaning the Air Filter
N Knock out the filter.
N Spray outside of filter with STIHL
special cleaner or soapy water.
N Rinse outside of filter under warm
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.
N Allow air filter to dry.
N Install the air filter.
Installing the Air Filter
N Place the air filter in position.
N Push the air filter towards the filter
housing and turn it clockwise at the
same time until it engages – the
"STIHL" name must be horizontal.
N Install the shroud – see "Shroud".
Exhaust emissions are controlled by the
design of the engine and components
(e.g. carburation, ignition, timing and
valve or port timing).
Cleaning the Air Filter
1.
5902BA010 KN
2.
5902BA011 KN
2.
1.
Engine Management