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

Cleaning the Air Filter

If there is a noticeable loss of engine
power
Remove the shroud – see "Shroud".
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Removing the air filter
Clean away loose dirt from around
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the filter.
NOTICE
To avoid damaging the filter, do not use
tools for removing and installing the air
filter.
1.
2.
Rotate the air filter a 1/4 turn
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counterclockwise and lift it away in
the direction of the rear handle.
Always replace damaged filters.
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Cleaning the Air Filters
Knock the filter out on the palm of
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your hand or blow it clear with
compressed air from the inside
outwards.
Wash the filter thoroughly if knocking it
out or blowing it clear is not sufficient to
remove stubborn dirt, or if the filter fabric
is sticky.
MS 261 C-M
Washing the filter
Wash the filter in STIHL special
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cleaner (special accessory) or a
clean, non-flammable solution (e.g.
warm soapy water). Rinse the filter
from the inside outwards under a jet
of water – do not use a pressure
washer.
Dry the filter components – do not
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expose to high temperatures.
Do not impregnate the filter with oil.
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Reinstall the air filter.
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Installing the air filter
1.
2.
Place the filter in position.
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Press the air filter in the direction of
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the filter housing and turn it
clockwise at the same time until it
engages – the "STIHL" name must
be horizontal.
Install the shroud – see "Shroud".
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Engine Management

Exhaust emissions are controlled by the
design of the fundamental engine
parameters and components (e.g.
carburation, ignition, timing and valve or
port timing) without the addition of any
major hardware.
English
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