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– The accessories are correctly installed.
WARNING
■ If not in safe condition, components may no
longer operate correctly and safety devices
may be rendered ineffective. There is a risk of
serious or fatal injury.
► Operate an undamaged and functioning
robot mower.
► Do not modify the robot mower.
► If the control panel is not functioning: Do
not operate the robot mower.
► Install original STIHL accessories designed
for this robot mower.
► Install the blades as described in this User
Manual.
► Install accessories as described in this User
Manual or in the User Manual for the acces‐
sories.
► Do not insert objects in the robot mower's
openings.
► Do not bridge charging contacts with metal‐
lic objects (short circuit).
► Replace worn or damaged labels.
► If you are unsure: Consult a STIHL author‐
ized dealer.
4.6.2
Mowing unit
The mowing unit is in safe condition when the
following conditions are met:
– The blades, blade disk, blade carrier, lever
and nut are undamaged.
– The wear marks on the blade disk are not
worn through.
– The L-pins on the blade disk are not more
than half-worn.
– The blades are not deformed.
– The blades are properly installed.
WARNING
■ If they are in an unsafe condition, parts of the
blades may come off and be ejected. People
may suffer serious injuries as a result.
► Work with undamaged blades, blade disk,
blade carrier, lever and nut.
► If the wear marks are worn through and
holes are formed: Replace the mowing unit.
► If the L-pins are more than half-worn:
Replace the mowing unit.
► Install blades correctly.
► If you are unsure: Consult a STIHL author‐
ized dealer.
56
4.6.3
Battery
The battery has been installed in the robot
mower and must only be removed by a STIHL
authorized dealer.
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 moist or wet: Allow the bat‐
tery to dry.
► 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.
► If skin contact occurs: Wash affected areas
of skin with plenty of water and soap.
► In the event of contact with eyes: Rinse
eyes with plenty of water for at least
15 minutes and consult a doctor.
■ 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
smoke: do not use the battery and keep it
away from combustible substances.
► If the battery catches fire: Attempt to extin‐
guish the battery with a fire extinguisher or
water.
4.6.4
Docking station, charging cable, power
supply and connecting cable
The docking station, charging cable, power sup‐
ply, connecting cable and plug connections are
4 Safety Precautions
0458-011-9801-A