Replacing The Air Filter; Engine Management - Stihl MM 55 Instruction Manual

Replacing the Air Filter

If there is a noticeable loss of engine
power
2
1
Set choke lever to g
N
Remove screw (1)
N
Remove filter cover (2)
N
Remove coarse dirt from inside the
N
filter cover and around the filter
MM 55, MM 55 C
4
3
Remove the air filter (3)
N
Check the air filter – replace if
N
necessary
Replace any damaged parts.
Insert air filter (3) in the filter
N
housing (4)
Refit the filter cover and screw it
N
down

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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