Stihl FSA 57 Instruction Manual page 27

4 Safety Precautions
dered inoperative. This can result in serious
injuries.
► Work only with an undamaged deflector.
► Work with a correctly installed line limiter
blade.
► If you have any queries: Contact your STIHL
servicing dealer.
4.6.3 Mowing Head
The mowing head is in a safe condition if the fol‐
lowing points are observed:
– The mowing head is not damaged.
– The mowing head is not jammed.
– The mowing lines are properly installed.
If a Polycut mowing head with polymer blades
is used:
– The polymer blades are free of damage and
tears.
– The polymer blades are properly mounted.
– The wear limits are not exceeded.
WARNING
■ If they are in an unsafe condition, parts of the
mowing head, mowing lines or polymer blades
may come off and be ejected at high speed.
They may cause serious injury to persons.
► Work only with an undamaged mowing head.
► If a PolyCut mowing head with polymer
blades is used: Never work with damaged
polymer blades.
► Never use metal objects in place of the nylon
mowing lines or polymer blades.
► Observe and remain inside the wear limits.
► If you have any doubts, be sure to consult a
STIHL dealer.
4.6.4 Battery
The battery is in safe condition when the follow‐
ing conditions are met:
– The battery is not damaged.
– The battery is clean and dry.
– The battery is working and has not been modi‐
fied.
WARNING
■ The battery cannot function safely if it is not in
safe condition. There is a risk of serious injury
to persons.
► Use an undamaged and functioning battery.
► Do not charge a damaged or defective bat‐
tery.
► If the battery is dirty or wet: clean the battery
and allow it to dry.
► Do not modify the battery.
► Do not insert objects into the apertures in the
battery.
0458-806-9621-B.VA0.M20.
► Never connect the battery terminals to metal‐
lic objects and cause a short circuit.
► Do not open the battery.
► Replace worn or damaged warning signs.
■ Fluid may leak from a damaged battery. If the
fluid contacts the skin or eyes, this may cause
irritation.
► Avoid contact with the fluid.
► In the event of contact with the skin: wash
the affected areas with plenty of soap and
water.
► In the event of contact with the eyes: rinse
the eyes with plenty of water for at least 15
minutes and seek medical attention.
■ A damaged or defective battery may emit an
unusual odour, smoke or catch fire. This may
result in serious or fatal injury to people and
damage to property.
► If the battery emits an unusual odour or
smoke: do not use the battery and keep it
away from flammable materials.
► If the battery catches fire: try to extinguish
the battery using a fire extinguisher or water.
4.6.5 Charger
The charger is in a safe condition if the following
points are observed:
– Charger is undamaged.
– Charger is clean and dry.
WARNING
■ If components do not comply with safety
requirements, they will no longer function
properly and safety devices may be rendered
inoperative. This can result in serious or fatal
injuries.
► Do not use a damaged charger.
► If the charger is dirty or wet: Clean the
charger and allow it to dry.
► Never attempt to modify the charger.
► Never insert objects in the charger's open‐
ings.
► Never bridge the charger's contacts with
metallic objects (short circuit).
► Do not open the charger.
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 use your
trimmer.
► Operate the trimmer alone.
English
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