Spark Arresting Screen In Muffler - Stihl HL-KM Instruction Manual

Tool moves when engine is idling
: Turn idle speed screw (LA) slowly
counterclockwise until tool stops
moving and then turn the screw
about another 1/2 to 3/4 turn in the
same direction.
Erratic idling behavior, engine stops
even though setting of LA screw is
correct, poor acceleration
Idle setting too lean:
: Turn low speed screw (L)
counterclockwise until the engine
runs and accelerates smoothly.
Erratic idling behavior
Idle setting too rich:
: Turn low speed screw (L) clockwise
(no further than stop) until the
engine runs and accelerates
smoothly.
KM 110, KM 130
Spark Arresting Screen in
Muffler
The spark arresting screen is an option
that is not fitted in all machines.
: If the engine is low on power, check
the spark arresting screen in the
muffler.
: Wait for muffler to cool down.
: Move slide control to STOP-O.
: Remove the screw (1).
3
2
: Remove the screws (2).
: Lift away the shroud (3).
: Remove the screw (4).
1
: Lift spark arresting screen (5) and
pull it out.
: Clean spark arresting screen if
necessary – if screen is damaged or
coked up, fit a new one.
: Refit the spark arresting screen.
: Insert screw and tighten down.
: Fit the shroud.
2
English / USA
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