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or snagged and your hand or arm may be pulled into
the rotating accessory.
I) Never lay the power tool down until the
accessory has come to a complete stop. The
rotating accessory may grab the surface and pull
the power tool out of your control.
m) Do not run the power tool while carrying it at
your side. Accidental contact with the rotating
accessory could snag your clothing, pulling the
accessory into your body.
n) Regularly clean the power tool's air vents.
The motor's fan will draw the dust inside the housing
and excessive accumulation of powdered metal
may cause electrical hazards.
o) Do not operate the power tool near
flammable materials. Sparks could ignite these
materials.
p) Do not use accessories that require liquid
coolants. Using water or other liquid coolants may
result in electrocution or shock.
4.2
Kickback and related warnings
Kickback is a sudden reaction to a pinched or
snagged sanding wheel, backing pad, brush or any
other accessory. Pinching or snagging causes rapid
stalling of the rotating accessory which in turn
causes the uncontrolled power tool to be forced in
the direction opposite of the accessory's rotation at
the point of the binding.
For example, if an abrasive wheel is snagged or
pinched by the workpiece, the edge of the wheel
that is entering into the pinch point can dig into the
surface of the material causing the wheel to climb
out or kick out. The abrasive wheel may either jump
toward or away from the operator, depending on
direction of the disc's movement at the point of
pinching. Abrasive wheels may also break under
these conditions.
Kickback is the result of power tool misuse and/or
incorrect operating procedures or conditions and
can be avoided if suitable precautionary measures
are taken as described below.
a) Maintain a firm grip on the power tool and
position your body and arm to allow you to
resist kickback forces. Always use the
additional handle, if provided, for maximum
control over kickback or a torque reaction
during start-up. The operator can control torque
reactions or kickback forces if proper precautions
are taken.
b) Never place your hand near the rotating
accessory. Accessory may kickback over your
hand.
c) Do not position your body in the area
where the power tool will move if kickback
occurs. Kickback
will propel the tool in direction opposite to the
grinding wheel's movement at the point of
snagging.
d) Use special care when working corners,
sharp edges etc. Avoid bouncing and snagging
the accessory. Corners, sharp edges or bouncing
12
have a tendency to snag the rotating accessory and
cause loss of control or kickback.
e) Do not attach a saw chain woodcarving
blade or toothed saw blade. Such blades create
frequent kickback and loss of control.
4.3
Safety Warnings Specific for Sanding
Operations (not PE 15-20 RT):
a) Do not use excessively oversized sanding
disc paper. Follow manufacturers
recommendations when selecting sanding
paper. Larger sanding paper extending beyond the
sanding pad presents a laceration hazard and may
cause snagging, tearing of the disc or kickback.
4.4
Safety Warnings Specific for Polishing
Operations:
Do not allow any loose portion of the polishing
bonnet or its attachment strings to spin freely.
Tuck away or shorten the loose attachment
strings. Loose and spinning attachment strings
can entangle your fingers or snag on the workpiece.
Caution: The workpiece can heat up
during the polishing process!
4.5
Additional safety instructions:
WARNING – Always wear protective
goggles.
WARNING – Always operate with two hands.
Use elastic cushioning layers if they have been
supplied with the grinding media and if required.
Observe the specifications of the tool or accessory
manufacturer!
Accessories must be stored and handled with care
in accordance with the manufacturer's instructions.
Ensure that accessories are installed in accordance
with the manufacturer's instructions.
The tool continues running after the machine has
been switched off.
Do not use separate reducing bushings or adapters
to adapt tools with a large hole.
The workpiece must lay flat and be secured against
slipping, e.g. using clamps. Large workpieces must
be sufficiently supported.
If accessories with threaded inserts are used, the
end of the spindle may not touch the base of the
hole on the sanding tool. Make sure that the thread
in the accessory is long enough to accommodate
the full length of the spindle. The thread in the
accessory must match the thread on the spindle.
See page 3 and chapter 14. Technical
Specifications for more information on the spindle
length and thread.
Use of a fixed extractor system is recommended.
Always install an RCD with a maximum trip current
of 30 mA upstream. When the machine is shut down
via the GFCI, it must be checked and cleaned. See
chapter 9. Cleaning.
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