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4 Safety Precautions
WARNING
■ If they are in an unsafe condition, parts of the cutting blade
may come off and be thrown at high speed. This can result
in serious injuries.
► Never work with a damaged blade or damaged
mounting hardware.
► Sharpen the blade properly.
► If the minimum thickness and minimum width are
outside the specified limits: Replace the blade.
► Have the blade balanced by a STIHL servicing dealer.
► If you have any queries: Contact your STIHL servicing
dealer for assistance.
4.6.3 Battery
The battery is in a safe condition if the following points are
observed:
– Battery is undamaged.
– Battery is clean and dry.
– Battery functions properly and has not been modified.
WARNING
■ A battery that is not in a safe condition cannot operate
safely. This can result in serious injuries.
► Never work with a damaged battery.
► Never attempt to charge a damaged or defective
battery.
► If the battery is dirty or wet: Clean the battery and allow
it to dry.
► Never attempt to modify the battery.
► Never insert objects in the battery’s openings.
► Never bridge the battery's contacts with metallic objects
(short circuit).
► Do not open the battery.
■ Fluid may escape from a damaged battery. The fluid can
cause irritation if it contacts the skin or eyes.
► Avoid contact with the fluid.
► 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.
■ A damaged or defective battery may smell unusual, emit
smoke or burn. This can result in serious or fatal injuries
and damage to property.
► If the battery smells unusual or emits smoke: Do not use
the battery and keep it away from combustible
substances.
► If the battery catches fire: Attempt to extinguish the
battery with a fire extinguisher or water.
4.7 Operation
WARNING
■ The user cannot concentrate on the work in certain
situations. The user may stumble, fall and be seriously
injured.
► Work calmly and carefully.
► If light and visibility are poor: Do not work with the
mower.
► Operate the mower alone.
► Watch out for obstacles.
► Stand on the ground while working and keep a good
balance.
► If you begin to feel tired: Take a break.
► If it is necessary to mow on a slope: Mow across the
slope.
► Do not mow on steep slopes.
■ The rotating cutting blade can cut the user. This can result
in serious injuries.