4 Safety Precautions
► If mulching: detach the guide and grass catcher box and
insert the mulch insert as described in this instruction
manual.
► Attach genuine STIHL accessories for this lawn mower.
► Attach the blade as described in this instruction manual.
► Attach accessories as described in this instruction
manual or in the instruction manual for the accessories.
► Do not insert objects into the apertures in the lawn
mower.
► 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 specialist dealer.
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, @ 21.2.
– The sharpening angle is observed, @ 21.2.
WARNING
■ In unsafe condition, blade parts may come loose and be
expelled. This may result in serious injury to people.
► Use an undamaged blade and attachments.
► Attach the blade correctly.
► Sharpen the blade correctly.
0458-796-9921-B
► If the minimum thickness or minimum width is fallen
below: replace the blade.
► Have the blade balanced by a STIHL specialist dealer.
► If anything is unclear: consult a STIHL specialist 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 battery to dry,
@ 21.5.
► Never attempt to modify the battery.
► Never insert objects in the battery's openings.
► 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.
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