Cleaning The Air Filter - Stihl MS 440 Instruction Manual

Box fillter
1
3
2
2
Set the Master Control lever to l
N
and pull off the outer half of the
filter (1).
After cleaning the outer half of the filter
several times:
Take out the slotted screws (2) and
N
remove the baffle (3).
Remove the inner half of the filter
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(4).
MS 440

Cleaning the Air Filter

If there is a noticeable loss of engine
power:
Wash the filter in STIHL special-
N
purpose cleaner (special
4
accessory) or a clean, non-
flammable cleaning liquid (e.g.,
warm soapy water) – rinse the filter
from inside to out under a water jet
– do not use high-pressure cleaners
Dry all filter parts – do not expose to
N
extreme heat
Do not oil the filter
N
Reinstall filter
N
Box filter
Fleece filter
Fabric filter
Knock out the outer half of the filter
N
or blow it clear with compressed air
from the inside outwards
Knock out the inner half of the filter
N
or blow it clear with compressed air
from the inside outwards
In case of stubborn dirt or stuck filter
fabric
Wash the filter in STIHL special-
N
purpose cleaner (special
accessories) or a clean, non-
flammable cleaning liquid (e.g.,
warm soapy water) and dry it
dry all filter parts – do not expose to
N
extreme heat
Do not oil the filter
N
Always replace a damaged filter.
Reinstall filter
N
English
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