4 Safety Precautions
– 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.
4.7
Fuel and Refuelling
WARNING
■ The fuel used for this lawn mower is petrol.
Petrol is extremely inflammable. If petrol
comes into contact with an open flame or hot
objects, it may cause fires or explosions. This
may result in serious or fatal injury to people
and damage to property.
► Protect petrol from heat and fire.
► Do not spill petrol.
► If petrol is spilled: wipe up the petrol with a
cloth and wait until all parts of the lawn
mower are dry before attempting to start the
engine.
► Do not smoke.
► Do not refuel in the vicinity of flames.
► Before refilling the tank, stop the engine
and allow it to cool.
► If the tank needs to be emptied: do this out
of doors.
► Start the engine at least 3 m away from the
refuelling site.
► Never store the lawn mower with petrol in
the tank inside a building.
■ Breathing in petrol fumes may result in poison‐
ing.
► Do not breathe in petrol fumes.
► Refuel in a well-ventilated place.
■ The lawn mower warms up while working. The
petrol expands and overpressure may occur in
the fuel tank. Petrol may gush out when the
fuel tank cap is opened. The gushing petrol
may ignite. This may result in serious injury to
the user.
► Allow the lawn mower to cool down before
opening the fuel tank cap.
■ Clothing that comes into contact with petrol is
highly inflammable. This may result in serious
0478-111-9950-A
19.2.
or fatal injury to people and damage to prop‐
erty.
► If clothing comes into contact with petrol:
change clothing.
■ Petrol poses a risk to the environment.
► Do not spill fuel.
► Dispose of petrol in accordance with regula‐
tions and in an environmentally acceptable
way.
■ If petrol comes into contact with the skin or
eyes, this may cause irritation.
► Avoid contact with petrol.
► In the event of contact with the skin: wash
the affected areas with plenty of soap and
water.
► In the event of contact with the eyes: rinse
the eyes with plenty of water for at least 15
minutes and seek medical attention.
■ The lawn mower's ignition system generates
sparks. Sparks may escape and cause fires
and explosions in highly inflammable or explo‐
sive environments. This may result in serious
or fatal injury to people and damage to prop‐
erty.
► Use the spark plugs described in the engine
instruction manual.
► Screw in the spark plug and tighten.
► Press on the spark plug socket firmly.
■ The lawn mower may be damaged if it is refu‐
elled with petrol that is not suitable for the
engine.
► Use fresh, good-quality unleaded petrol.
► Observe the specifications in the engine
instruction manual.
4.8
WARNING
■ The user may lose control of the lawn mower if
they do not start the engine correctly. This
may result in serious injury to the user.
► Start the engine as described in this instruc‐
tion manual.
■ 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.
► Only mow when visibility is good. Do not
use the lawn mower 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
balance.
Working
English
23