4 Safety Precautions
► Protect the battery from rain and
moisture and do not immerse it in liq‐
uids.
► Keep battery away from small metal parts.
► Do not expose the battery to high pressure.
► Do not expose the battery to microwaves.
► Protect the battery from chemicals and
salts.
4.6
Safe Condition
4.6.1
Lawn Scarifier
The lawn scarifier is in safe condition when the
following conditions are met:
– The lawn scarifier is not damaged.
– The lawn scarifier is clean and dry.
– The controls are working and have not been
modified.
– If material removed from the lawn is to be col‐
lected in the grass catcher box: the grass
catcher box is correctly attached.
– If material removed from the lawn is to be
ejected to the rear: the grass catcher box is
detached and the discharge flap is closed.
– The roller is correctly attached.
– Genuine STIHL accessories for this lawn
scarifier 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 serous or
fatal injury to people.
► Do not use a damaged lawn scarifier.
► If the lawn scarifier is dirty: clean the lawn
scarifier.
► If the lawn scarifier is wet: dry the lawn
scarifier.
► Do not modify the lawn scarifier.
► If the controls are not working: do not use
the lawn scarifier.
► If material removed from the lawn is to be
collected in the grass catcher box: attach
the grass catcher box as described in this
instruction manual.
► Attach genuine STIHL accessories for this
lawn scarifier.
► Attach the roller as described in this instruc‐
tion manual.
► 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 scarifier.
0478-670-9809-B
► Never connect the key receptacle terminals
to metallic objects and cause a short circuit.
► Replace worn or damaged warning signs.
► If anything is unclear: consult a STIHL spe‐
cialist dealer.
4.6.2
Rollers
The scarifying roller and the combing roller are in
safe condition when the following conditions are
met:
– The shaft, blades, spring-tines and attach‐
ments are not damaged.
– The shaft, blades and spring-tines are not
deformed.
– The roller is correctly attached.
– The blades and spring-tines are burr-free.
– The minimum length of the blades is not fallen
below,
21.2.
WARNING
■ In unsafe condition, parts of the blade and
spring-tine may come loose and be expel‐
led.This may result in serious injury to people.
► Use undamaged blades, spring-tines and
attachments.
► If the minimum length of the blades is fallen
below:replace the scarifying roller.
► If anything is unclear:consult a STIHL spe‐
cialist dealer.
4.6.3
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 bat‐
tery 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 met‐
allic objects and cause a short circuit.
► Do not open the battery.
► Replace worn or damaged warning signs.
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