Stihl FSA 57 Instruction Manual page 42

English
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.
► If you have any doubts, be sure to consult a STIHL
dealer.
4.6.4 Battery
The battery is in safe condition when the following conditions
are met:
– The battery is not damaged.
– The battery is clean and dry.
– The battery is working and has not been modified.
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 battery.
► 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.
► Never connect the battery terminals to metallic objects
and cause a short circuit.
► Do not open the battery.
► Replace worn or damaged warning signs.
40
￭ 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 openings.
► Never bridge the charger's contacts with metallic
objects (short circuit).
► Do not open the charger.
4 Safety Precautions
0458-806-9621-A