4 Safety Precautions
4.6.2
Blade
The blade is in safe condition when the following
conditions are met:
– The blade and attachments are undamaged.
– 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 minimum thickness and minimum width of
the blade are not fallen below,
– The sharpening angle is observed,
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 or minimum width
is fallen below: 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
Battery
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,
21.5.
► Never attempt to modify the battery.
► Never insert objects in the battery's open‐
ings.
► Never bridge the battery's contacts with
metallic objects (short circuit).
► Do not open the battery.
► Replace worn or damaged labels.
■ Fluid may leak from a damaged battery. If that
liquid comes into contact with the skin or eyes,
the skin or eyes may be irritated.
► Avoid contact with the liquid.
0478-131-9676-A
► If skin contact occurs: Wash affected areas
► In the event of contact with eyes: Rinse
■ A damaged or defective battery may smell
unusual, emit smoke or burn. Persons may be
seriously or fatally injured, and property may
be damaged.
► If the battery smells unusual or emits
21.2.
21.2.
► If the battery catches fire: Attempt to extin‐
4.7
■ In certain situations, the user may no longer
be able to concentrate on their work. This may
result in the user stumbling, falling and becom‐
ing seriously injured.
► Work calmly and carefully.
► If the light and visibility conditions are poor:
► Operate the lawn mower alone.
► Watch out for obstacles.
► Do not tilt the lawn mower.
► Work standing on the ground and maintain
► If signs of fatigue occur: take a break.
► If mowing on a slope: Mow across the
► Do not work on slopes with an inclination
■ Hard objects hitting the rotating blade can
damage the lawn mower.
► If a hard object hits the rotating blade,
► If the lawn mower is damaged: consult a
■ The turning blade may cut the user. This may
result in serious injury to the user.
■ If working without self-propulsion when mow‐
ing, self-propulsion may unintentionally be
engaged and the lawn mower may start mov‐
ing. This may result in serious injury to people
and damage to property.
of skin with plenty of water and soap.
eyes with plenty of water for at least
15 minutes and consult a doctor.
smoke: do not use the battery and keep it
away from combustible substances.
guish the battery with a fire extinguisher or
water.
Working
WARNING
do not use the lawn mower.
balance.
slope.
greater than 18° (32.5%).
switch off the lawn mower, remove the bat‐
teries and check the lawn mower for dam‐
age.
STIHL specialist dealer.
► Do not touch a turning blade.
► If the blade is blocked by an object:
Switch off the lawnmower and
remove the batteries. Only then
remove the object.
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