Stihl TSA 230 Manual De Instrucciones página 63

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27 General Power Tool Safety Warnings
An accessory that rotates quicker than per‐
mitted can break and fly around.
d) Abrasive elements must only be used for the
recommended applications. For example:
Never grind with the side surface of an abra‐
sive wheel. Abrasive wheels are designed to
remove material with the edge of the wheel.
Lateral forces applied to these abrasive ele‐
ments can break them.
e) Always use an undamaged clamping flange
of the correct size and form for the abrasive
wheel you have chosen. Suitable flanges
support the abrasive wheel and reduce the
risk of the abrasive wheel breaking.
f)
Do not use worn abrasive wheels from larger
electrical power tools. Abrasive wheels for
larger electrical power tools are not designed
for the high engine speeds of smaller electri‐
cal power tools and can break.
g) The outer diameter and thickness of the tool
being used must correspond to the dimen‐
sions of your electrical power tool. Incorrectly
measured tools that are used cannot be ade‐
quately shielded or controlled.
h) Abrasive wheels and flanges must fit exactly
onto the grinding spindle of your electrical
power tool. Tool bits that do not fit exactly
onto the grinding spindle of the electrical
power tool, rotate unevenly, vibrate a lot and
can result in loss of control.
i)
Do not use damaged abrasive wheels.
Before each use, check the abrasive wheels
for splitting and cracks. If the electrical power
tool or abrasive wheel falls, check if it is
damaged or use an undamaged abrasive
wheel. Once you have checked the abrasive
wheel and started it, make sure that you and
everyone else nearby remain outside of the
area of the rotating abrasive wheel and allow
the machine to run for a minute at maximum
speed. Damaged abrasive wheels usually
break during this test period.
j)
Wear personal protective equipment.
Depending on the operation, wear full face
protection, eye protection or safety glasses.
Where appropriate, wear a dust mask, ear
protection, protective gloves or a special
apron that keeps small ground particles and
material particles away from you. Eyes must
be protected against foreign bodies flying
around that occur with certain applications.
The dust mask or respirator must filter the
dust created during the operation. If subjec‐
0458-707-9821-C
ted to loud noise for a longer period of time,
you may suffer from loss of hearing.
k) Make sure that other persons keep a safe
distance to your work area. Anyone entering
the work area must wear personal protective
equipment. Fragments from the workpiece or
broken tool bits can fly off and cause injuries
even when the person is outside of the direct
work area.
l)
Hold the machine only by the insulated han‐
dle surfaces when carrying out work where
the tool bit can hit hidden power lines. Con‐
tact with a live line can also render metal
machine parts live and cause an electric
shock.
n) Never put the electrical power tool down
before the tool bit has fully stopped. The
rotating tool bit could make contact with the
surface, causing you to loose control of the
electrical power tool.
o) Do not leave the electrical power tool running
whilst carrying it. Your clothing may get
caught in the rotating tool bit and the tool bit
may penetrate your body.
p) Clean the vents of your electrical power tool
regularly. The engine fan attracts dust into
the housing and the large volume of metal
dust collected can be an electrical hazard.
q) Do not use the electrical power tool near
combustible materials. Sparks can ignite
these materials.
27.8
8) Additional safety instructions
for abrasive wheel applications
27.8.1
Kickback and associated safety
instructions
Kickback is the sudden reaction as a result of a
catching or blocked rotating abrasive wheel.
Catching and blocking causes the rotating tool bit
to stop abruptly. An uncontrolled electrical power
tool is thereby accelerated against the direction
of rotation of the tool bit at the blockage site.
If for example an abrasive wheel catches or
blocks in the workpiece, the edge of the abrasive
wheel that penetrates the workpiece can be
caught, thereby causing the abrasive wheel to
break away or a kickback. The abrasive wheel
then travels towards or away from the operator
depending on the direction of rotation of the
wheel at the blockage site. Abrasive wheels can
also break in this instance.
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