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4 Safety Precautions
► Mount the cutting attachment and deflector
as described in this user manual.
► Attach accessories as described in this
User Manual or in the User Manual for the
accessories.
► Tighten loose screws and fastening parts.
► If the cutting attachment rotates when the
engine is idling: Rectify the malfunction.
► Never insert objects into the openings of
the brushcutter.
► Replace worn or damaged labels.
► If you are unsure: Consult a STIHL servic‐
ing dealer.
4.6.2
Deflector
The deflector is in a safe condition if the following
points are observed:
– The deflector is not damaged.
– If the deflector is used for mowing heads: The
line limiting blade is correctly installed.
– If you are using the universal deflector
together with a mowing head: The line limiting
blade and the skirt are correctly installed.
WARNING
■ If not in safe condition, components may no
longer operate correctly and safety devices
may be rendered ineffective. This may result
in serious injury to the user.
► Work only with an undamaged deflector.
► If the deflector for mowing heads is used:
Work with a properly attached line limiting
blade.
► If you are using the universal deflector
together with a mowing head: Work with a
correctly installed line limiting blade and a
correctly installed skirt.
► If you are unsure, consult a STIHL dealer.
4.6.3
Mowing Head
The mowing head is in a safe condition if the fol‐
lowing points are observed:
– The mowing head is not damaged.
– The mowing head is not jammed.
– The mowing head is correctly installed and
firmly tightened.
– The mowing lines are properly installed.
– The wear limits are not exceeded.
WARNING
■ If they are in an unsafe condition, parts of the
mowing head or mowing lines may come off
and be ejected at high speed. People may be
seriously injured.
► Work only with an undamaged mowing
head.
0458-034-8701-A
► Never use metal objects in place of the
nylon mowing lines.
► Observe and remain inside the wear limits.
► If you are unsure: Consult a STIHL author‐
ized dealer.
4.6.4
Metal cutting attachment
The metal cutting attachment is in a safe condi‐
tion if the following points are observed:
– Metal cutting attachment and mounting hard‐
ware are undamaged.
– The metal cutting attachment is not warped.
– The metal cutting attachment is properly
installed and firmly tightened.
– The metal cutting attachment is correctly
sharpened.
– Cutting edges of the metal cutting attachment
have no burrs.
– The wear limits are not exceeded.
– If a metal cutting attachment not manufactured
by STIHL is used, it must not be heavier,
thicker, of a different shape, of a lower quality,
or larger in diameter than the largest metal
cutting attachment approved by STIHL.
WARNING
■ If it is not in an safe condition, parts of the
metal cutting attachment may come off and be
thrown at high speed. People may be seri‐
ously injured.
► Never work with a damaged metal cutting
attachment or damaged mounting hard‐
ware.
► Sharpen the metal cutting attachment cor‐
rectly.
► Deburr the cutting edges with a file.
► Have the metal cutting attachment bal‐
anced by a STIHL servicing dealer.
► Observe and remain inside the wear limits.
► Use a metal cutting attachment specified in
these instructions for use.
► If you are unsure: Consult a STIHL author‐
ized dealer.
4.7
Fuel Mixture and Refueling
WARNING
■ This brushcutter requires a fuel mixture of gas‐
oline and two-stroke engine oil. Mixed fuel and
gasoline are extremely flammable. If fuel mix‐
ture or gasoline make contact with open fire or
hot objects, they can cause a fire or explo‐
sions. Persons may be seriously or fatally
injured and property may be damaged.
► Protect fuel mixture and gasoline from heat
and fire.
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