4 Safety Precautions
■ The charger is not waterproof. If you work in
the rain or in a damp environment, an electric
shock may occur. The user may be injured
and the charger may be damaged.
► Do not operate it in the rain or in a
damp environment.
■ The charger is not protected against all ambi‐
ent conditions. If the charger is exposed to
certain ambient conditions, it may catch fire or
explode. This may result in serious injury to
people and damage to property.
► Operate the charger in an enclosed, dry
room.
► Do not operate the charger in a flammable
environment or in an explosive environ‐
ment.
► Do not operate the charger on a readily
combustible surface.
► Do not use and store the charger outside of
the specified temperature limits,
■ The connecting cable is a trip hazard. People
may be injured and the charger may be dam‐
aged.
► Lay the connecting cable flat on the floor.
4.6
Safe Condition
4.6.1
Lawn Mower
The lawn mower is in safe condition when the
following conditions are met:
– The lawn mower is free from damage.
– The lawn mower is clean and dry.
– The controls are working and have not been
modified.
– The blade is correctly attached.
– Genuine STIHL accessories for this lawn
mower are attached.
– The accessories are correctly attached.
WARNING
■ If not in safe condition, components may no
longer operate correctly and safety devices
may be disabled. This may result in serious or
fatal injury to people.
► Do not use a damaged lawn mower.
► If the lawn mower is dirty or wet: clean the
lawn mower and allow it to dry.
► Do not modify the lawn mower.
► If the controls are not working: do not use
the lawn mower.
► Attach genuine STIHL accessories for this
lawn mower.
► Attach the blade as described in this
instruction manual.
0478-131-9830-B
► Attach accessories as described in this
instruction manual or in the instruction man‐
ual for the accessories.
► Do not insert objects into the apertures in
the lawn mower.
► Replace worn or damaged warning signs.
► If anything is unclear: consult a STIHL spe‐
cialist dealer.
4.6.2
The blade is in safe condition when the following
conditions are met:
– The blade and attachments are not damaged.
– The blade is not deformed.
– The blade is correctly attached.
– The blade is correctly sharpened.
– The blade is burr-free.
– The blade is correctly balanced.
– The blade has the required minimum thick‐
ness and the permissible grinding limit has not
been reached,
– The sharpening angle is observed,
20.6.
WARNING
■ In unsafe condition, blade parts may come
loose and be expelled. This may result in seri‐
ous injury to people.
► Use an undamaged blade and attachments.
► Attach the blade correctly.
► Sharpen the blade correctly.
► If the minimum thickness is not reached or
the permissible grinding limit is reached:
replace the blade.
► Have the blade balanced by a STIHL spe‐
cialist dealer.
► If anything is unclear: consult a STIHL spe‐
cialist dealer.
4.6.3
The battery is in a safe condition if the following
points are observed:
– Battery is undamaged.
– The 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. Persons may be seriously
injured.
► Never work with a damaged battery.
► Never attempt to charge a damaged or
defective battery.
► If the battery is dirty: Clean the battery.
► If the battery is wet or damp: Allow the bat‐
tery to dry,
Blade
20.2.
Battery
20.7.
English
20.2.
33