Cleaning The Air Filter; Adjusting The Carburetor; Spark Plug - Stihl HL 100 Instruction Manual

Cleaning the Air Filter

If there is a noticeable loss of engine
power
4
Turn the choke knob to g
N
Take out the screw (1) and remove
N
the filter cover (2).
Clean away loose dirt from around
N
the filter.
Grip the filter element (3) at the
N
cutout (arrow) in the filter
housing (4) and remove it.
Fit a new filter element. As a
N
temporary measure you can knock it
out on the palm of your hand or blow
it out with compressed air. Do not
wash.
Replace damaged parts.
N
Installing the filter
Install the filter element in the filter
N
housing and fit the cover.
Insert the screw and tighten it down
N
firmly.
HL 95, HL 95 K, HL 100, HL 100 K

Adjusting the Carburetor

The carburetor of the machine has been
adjusted for optimum performance and
fuel efficiency in all operating states at
the factory.
Setting the idle speed
1
2
Engine stops when idling
Let the engine warm up for approx.
N
3 min
Slowly turn idle speed screw (LA)
N
clockwise until the engine runs
smoothly – the cutting attachment
must not rotate
Cutting attachment turns when idling
Turn the idle speed screw (LA)
N
slowly counterclockwise until the
cutting attachment stops moving –
then turn another 1/2 to 3/4 turn in
the same direction
WARNING
If the cutting attachment continues to
keep rotating in idle even after
adjustment, have the machine checked
by a servicing dealer.
LA

Spark Plug

If the engine is down on power,
N
difficult to start or runs poorly at idle
speed, first check the spark plug.
Fit a new spark plug after about 100
N
operating hours – or sooner if the
electrodes are badly eroded. Install
only suppressed spark plugs of the
type approved by STIHL – see
"Specifications".
Removing the spark plug
Move the slide control to STOP-0.
N
1
Pull off the spark plug boot (1).
N
Unscrew the spark plug.
N
English
19