0458-507-0121-A
11
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4 Safety Precautions
► In case of contact with the eyes: Rinse eyes with plenty
of water for at least 15 minutes and seek medical
advice.
■ The trimmer’s ignition system produces sparks.
Unconfined sparks may cause a fire or an explosion in an
easily combustible or explosive environment. This can
result in serious or fatal injuries and damage to property.
► Use the spark plugs described in this instruction
manual.
► Insert and tighten down the spark plug.
► Connect the spark plug boot and press it down firmly.
■ The trimmer can be damaged if it is run on a fuel mixture
consisting of unsuitable gasoline or an unsuitable two-
stroke engine oil or if an incorrect mix ratio of gasoline and
two-stroke engine oil is used.
► Mix the fuel as described in this instruction manual.
■ The mixture of gasoline and two-stroke engine oil can
separate if it is stored for a long period. The trimmer can
be damaged if it is used with a fuel mix that has become
separated.
► Before refueling the trimmer: Thoroughly mix the fuel.
► Use a mixture of gasoline and two-stroke engine oil that
is not older than 30 days (STIHL MotoMix: 2 years).
4.8 Operation
WARNING
■ If the engine is not started properly, the user may lose
control of the trimmer. This can result in serious injuries.
► Start the engine as described in this instruction manual.
► If the cutting attachment is touching the ground or
objects: Do not start the engine.
■ The slide control is in position for engine
starts. Engine RPM in position is higher than
idle speed and the cutting attachment may rotate as soon
as the engine runs. This can result in serious injuries.
► Do not touch the cutting attachment.
► Start the engine as described in this instruction manual.
■ The user cannot concentrate on the work in certain
situations. The user can lose control of the trimmer,
stumble or fall and be seriously injured.
► Work calmly and carefully.
► If light and visibility are poor: Do not use your trimmer.
► Operate the trimmer alone.
► Keep the cutting attachment close to the ground.
► Watch out for obstacles.
► Stand on the ground while working and keep a good
balance.
► If you begin to feel tired: Take a break.
■ Exhaust gas is produced when the engine is running.
Breathing in exhaust gas can have toxic effects.
► Avoid inhaling exhaust gas.
► Operate the trimmer is a well ventilated location,
► In the event of nausea, headache, visual disturbances,
problems with hearing or dizziness: Stop work and seek
medical advice.
■ The user’s ability to hear and assess noises is restricted
when wearing hearing protection with the engine running.
► Work calmly and carefully.
■ The user will not be able to control the trimmer properly if
it is operated with the slide control in position .
This can result in serious injuries.
► Check that the slide control is in position during
operation.
► Start the engine as described in this instruction manual.
■ The rotating cutting attachment can cut the user. This can
result in serious injuries.
► Do not touch the rotating cutting attachment.
► If the cutting attachment is blocked by an object: Shut
off the engine. Then remove the object causing the
blockage.