English
or fatal injury to people and damage to prop‐
erty.
► Use the spark plugs described in the engine
instruction manual.
► Screw in the spark plug and tighten.
► Press on the spark plug socket firmly.
■ The lawn mower may be damaged if it is refu‐
elled with petrol that is not suitable for the
engine.
► Use fresh, good-quality unleaded petrol.
► Observe the specifications in the engine
instruction manual.
4.8
Working
WARNING
■ The user may lose control of the lawn mower if
they do not start the engine correctly. This
may result in serious injury to the user.
► Start the engine as described in this instruc‐
tion manual.
■ In certain situations, the user may no longer
be able to concentrate on their work. This may
result in the user stumbling, falling and becom‐
ing seriously injured.
► Work calmly and carefully.
► Only mow when visibility is good. Do not
use the lawn mower if the light and visibility
conditions are poor.
► Operate the lawn mower alone.
► Watch out for obstacles.
► Do not tilt the lawn mower.
► Work standing on the ground and maintain
balance.
► If signs of fatigue occur: take a break.
► If mowing on a slope: mow across the
slope.
► Do not work on slopes with an inclination
greater than 25° (46.6%).
► Use the lawn mower with particular care
when working near slopes, terraces,
ditches, rubbish piles and embankments.
► Plan your working times so that more
severe physical strains over a longer period
are avoided.
■ Exhaust gases are produced when the engine
is running. Breathing in exhaust gases may
result in poisoning.
► Do not breathe in exhaust gases.
► Use the lawn mower in a well-ventilated
place.
► If nausea, headaches, vision problems,
hearing problems or dizziness occur: stop
working and consult a doctor.
22
■ If the user is wearing hearing protection and
the engine is running, their perception and
assessment of noise may be limited.
► Work calmly and carefully.
■ The lawn mower is equipped with a motorstop
device.
► Releasing the control bar for mowing cau‐
ses the engine and blade to stop within 3
seconds.
■ The turning blade may cut the user. This may
result in serious injury to the user.
► Detach the spark plug socket.
► Do not touch a turning blade.
► If the blade is blocked by an object:
stop the engine. Only then remove
the object.
■ If working without self-propulsion when mow‐
ing, self-propulsion may unintentionally be
engaged and the lawn mower may start mov‐
ing. This may result in serious injury to people
and damage to property.
► Only press the control bar for self-propul‐
sion if self-propulsion is to be engaged.
■ If the lawn mower changes or starts to behave
differently when working, it may not be in safe
condition. This may result in serious injury to
people and damage to property.
► Stop working and consult a STIHL special‐
ist dealer.
■ The lawn mower may cause vibrations when
working.
► Wear work gloves.
► Take breaks.
► If signs of a circulatory disturbance occur:
consult a doctor.
■ Inspect the mowing area and look out for
obstacles. If the blade hits a foreign object
when working, the foreign object or parts of it
may be thrown up at high velocity. This may
result in injury to people and damage to prop‐
erty.
► Remove foreign objects such as
stones, sticks, wires, toys or other
foreign objects from the working
area. Mark hidden objects that can‐
not be removed.
■ When the control bar for mowing is released,
the blade continues to turn for a short time.
This may result in serious injury to people.
► Wait until the blade is no longer turn‐
ing.
4 Safety Precautions
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