English
Storing the Machine
For periods of about 3 months or longer
Drain and clean the fuel tank in a
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well ventilated area.
Dispose of fuel properly in
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accordance with local
environmental requirements.
Run the engine until the carburetor
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is dry – this helps prevent the
carburetor diaphragms sticking
together.
Clean the cutting blades, check
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condition and spray them with
STIHL resin solvent.
Fit the blade scabbard.
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Thoroughly clean the machine.
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Store the machine in a dry and
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secure location Keep out of the
reach of children and other
unauthorized persons.
22
Inspection and Maintenance
by User
Throttle Cable
Checking adjustment of throttle cable
Error: Engine speed increases when
only the throttle trigger is pulled.
Start the engine.
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Pull the throttle trigger (1) – do not
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press down the throttle trigger
lockout (2).
If the engine speed increases or if the
cutting blades run, the throttle cable has
to be adjusted.
Shut off the engine.
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Have throttle cable adjusted by your
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dealer. STIHL recommends an
authorized STIHL servicing dealer.
Spark Arresting Screen in Muffler
If the engine is down on power, check
the spark arresting screen in the muffler.
Wait for the muffler to cool down.
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Take out the screw (1).
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Lift the spark arresting screen (2)
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2
and pull it out.
Clean the spark arresting screen. If
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the screen is damaged or heavily
carbonized, fit a new one.
Refit the spark arresting screen.
1
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Insert the screw and tighten it down
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firmly.
1
2
HL 91 K