and any bystanders should always wear
a respirator approved by NIOSH/MSHA
for the material being cut.
:DUQLQJ
Cutting masonry, concrete and other
materials with silica in their composition
may give off dust containing crystalline
silica. Silica is a basic component of
sand, quartz, brick clay, granite and
numerous other minerals and rocks.
Repeated and/or substantial inhalation
of airborne crystalline silica can cause
serious or fatal respiratory diseases,
including silicosis. In addition, California
and some other authorities have listed
respirable crystalline silica as a sub-
stance known to cause cancer. When
cutting such materials, always follow the
respiratory precautions mentioned
above.
:DUQLQJ
Breathing asbestos dust is dangerous
and can cause severe or fatal injury,
respiratory illness or cancer. The use
and disposal of asbestos-containing
products have been strictly regulated by
OSHA and the Environmental Protection
Agency. Do not use your cutting-off
machine to cut or disturb asbestos,
asbestos-containing products, or pro-
ducts such as pipes which are wrapped
or covered with asbestos insulation. If
you have any reason to believe that you
might be cutting asbestos, immediately
contact your employer or a local OSHA
representative.
7+(&872))0$&+,1(
Parts of the cut-off machine, illustrations
and definitions of the parts see pages
2 and 3.
:DUQLQJ
Never modify a cut-off machine in any
way. Only attachments supplied by
STIHL or expressly approved by STIHL
for use with the specific STIHL cut-off
machine models are authorized.
Although certain unauthorized attach-
ments are useable with the STIHL
powerhead, their use may, in fact be
extremely dangerous.
:DUQLQJ
Dust may collect on the powerhead,
especially around the carburetor and
may collect gasoline resulting in danger
of fire. Clean dust from the powerhead
regularly.
$EUDVLYHZKHHOV
:DUQLQJ
Before assembling your cutting wheel
make sure that the maximum operating
wheel speed is above or equal to the
spindle speed of your cut-off machine as
provided in the Specifications of this
manual.
Abrasive wheels for free-hand cutting
are subjected to particularly high
bending and compressive stresses.
:DUQLQJ
Unauthorized wheels may shatter or
break. Use only STIHL wheels or other
authorized wheels with approved RPM
ratings.
Inspect the abrasive
wheel frequently and
replace immediately if the
abrasive wheel is cracked
or warped. Cracked or
warped wheels may shatter or break
and cause serious personal injury.
Out-of-round or unbalanced abrasive
wheels increase vibration and reduce
the service life of the cut-off machine.
Use STIHL wheels approved for this unit.
Abrasive wheels are heat sensitive.
Always store your cut-off machine in a
place where the cutting wheel is not
exposed to direct sunlight or other
sources of heat. Store spare cutting
wheels in a dry place where there is no
risk of frost damage. Failure to follow
these directions may cause the wheel to
shatter or crack in use causing serious
or fatal injury.
76
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