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5 Safety Precautions
5.7 Fuel Mixture and Refueling
WARNING
■ This trimmer requires a fuel mixture of gasoline and two-
stroke engine oil. Fuel mixture and gasoline are extremely
flammable. If fuel mixture or gasoline make contact with
open fire or hot objects, they can cause a fire or
explosions. This can result in serious or fatal injuries and
damage to property.
► Protect fuel mixture and gasoline from heat and fire.
► Do not spill fuel mixture and gasoline.
► Do not smoke.
► Never refuel near a fire.
► Shut off the engine and allow it to cool down before
refueling.
► Start the engine at least 3 meters from the fueling spot,
outdoors only.
■ Inhaling fuel fumes and gasoline fumes can have toxic
effects.
► Avoid inhaling fuel fumes or gasoline fumes.
► Refuel in a well-ventilated location.
■ The trimmer becomes hot during operation. The fuel
expands and excess pressure can build up in the tank.
Fuel can escape as a spray when the fuel tank cap is
opened. The escaping fuel can ignite. This can result in
serious injuries.
► 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, gasoline and two-stroke engine oil can harm the
environment.
► Do not spill fuel, gasoline or two-stroke engine oil.
► Fuel, gasoline and two-stroke engine oil can harm the
environment.
■ 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 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).
5.8 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.
Summary of Contents for FR 230
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