![background image](http://html1.mh-extra.com/html/stihl/fr-235/fr-235_instruction-manual_1379669008.webp)
► Allow the trimmer to cool down first and
then open the tank cap carefully.
■ Clothing that has been in contact with fuel or
gasoline is more easily flammable. This can
result in serious or fatal injuries and damage
to property.
► If your clothing comes into contact with fuel
or gasoline: Change your clothing.
■ Fuel mix, gasoline and two-stroke engine oil
can harm the environment.
► Do not spill fuel, gasoline or two-stroke
engine oil.
► Dispose of fuel mix, gasoline and two-
stroke engine oil in accordance with local
regulations and environmental require‐
ments.
■ Fuel, gasoline or two-stroke engine oil can
cause irritation if they come into direct contact
with the skin or eyes.
► Avoid contact with fuel, gasoline and two-
stroke engine oil.
► In case of contact with the skin: Wash
affected areas with plenty of water and
soap.
► 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 explo‐
sive 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
Working
WARNING
■ If the engine is not started properly, the user
may lose control of the trimmer. This may
result in serious injury to the user.
► Start the engine as described in this instruc‐
tion 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 posi‐
tion
is higher than idle speed and the
cutting attachment may rotate as soon as the
engine runs. This may result in serious injury
to the user.
► Do not touch the cutting attachment.
► 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. The user
can lose control of the trimmer, stumble or fall
and be seriously injured.
► Keep calm and plan your work.
► 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.
► Work standing on the ground and keep your
balance.
► If you start feeling fatigue: Take a break.If
you start feeling fatigue: Take a break.
■ Exhaust gas is produced when the engine is
running. Breathing in exhaust gas can have
toxic effects.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 diz‐
ziness: 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.
► Keep calm and plan your work.
■ The user will not be able to control the trimmer
properly if it is operated with the slide control
in position
. This may result in serious
injury to the user.
► Check that the slide control is in position
during operation.
English
4 Safety Precautions
8
0458-527-0121-B