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When using rigid blades, avoid cutting
close to fences, sides of buildings, tree
trunks, stones or other such objects 
that could cause the brushcutter to kick
out or could cause damage to the 
blade. STIHL recommends use of the 
nylon line heads or Polycut head for
such jobs. In addition, be alert to an 
increased possibility of ricochets in 
such situations. 
Do not operate using the starting 
throttle lock as you do not have control
of the engine speed. See section of your
owner’s manual on the proper use of the
slide control.
If the cutting tool or deflector becomes
clogged or stuck, always turn off the 
engine and make sure the cutting tool
has stopped, before cleaning. Grass,
weeds, etc. should be cleaned off the
cutting tool at regular intervals.
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During cutting, check the tightness and
the condition of the cutting tool at 
regular intervals. If the behavior of the
tool changes, stop the engine im-
mediately, and check the nut securing 
the tool for tightness and the cutting 
tool for cracks and damage. Replace
cracked, bent, warped, damaged or dull
cutting tools immediately. Such tools
may shatter at high speed and cause 
serious or fatal injury.
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A loose blade may cause the blade to 
vibrate, crack, break or come off the
brushcutter, which may result in 
serious or fatal injury. Make sure that 
the blade is properly tightened. Use the
wrench supplied or one of sufficient
length to obtain the proper torque. If the
blade loosens after being properly
tightened, stop work immediately. The 
retaining nut may be worn or damaged
and should be replaced. Never use 
unauthorized parts to secure the blade.
If the blade continues to loosen, see
your STIHL dealer. Never use a
brushcutter with a loose blade.
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Keep hands and feet
away from cutting
tool. Never touch a 
rotating cutting tool
with your hand or any part
of your body. It continues to rotate for a
short period after the throttle trigger is 
released (flywheel effect).
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To reduce the risk of personal injury
from loss of control or contact with the
running cutting tool, do not use a cutting
tool with incorrect idle adjustment. At 
correct idle speed, the cutting tool
should not move. For directions on how
to adjust idle speed, see the appropriate
section of your owner’s manual.
If you cannot set the correct idle speed,
have your STIHL dealer check your 
brushcutter and make proper 
adjustments and repairs