Cleaning The Air Filter; Engine Management - Stihl HL 94 Instruction Manual

Cleaning the Air Filter

If there is a noticeable loss of engine
power
1
Set knob for warm start (1) to g
N
Turn screw (2) in filter cover (3)
N
counterclockwise until the cover is
loose
Remove filter cover (3)
N
Clean away loose dirt from around
N
the filter
5
Grip into the recess (4) in the filter
N
housing and remove the felt filter (5)
Replace felt filter (5) – as a
N
temporary measure you can knock it
out on the palm of you hand or blow
it out with compressed air – do not
wash
HL 94
NOTICE
Replace any damaged parts!
Insert felt filter (5) form-fittingly into
N
the filter housing
Set knob for warm start (1) to g
N
Fit filter cover (3) – make sure not to
N
tilt the screw (2) – insert screw and
tighten
4

Engine Management

Exhaust emissions are controlled by the
design of the engine and components
(e.g. carburation, ignition, timing and
valve or port timing).
English
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