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l) Never lay the power tool down until the accessory has come to
a complete stop. The spinning accessory may catch 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 spinning 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.
Kickback and Related Warnings
Kickback is a sudden reaction to a pinched or snagged rotating wheel, back-
ing 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 wheel
may either jump toward or away from the operator, depending on direction
of the wheel'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 pro-
cedures or conditions and can be avoided by taking proper precautions as
given 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 an auxiliary
handle, if provided, for maximum control over kickback or torque
reaction during start-up. The operator can control torque reactions
or kick-back 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 power tool will move
if kickback occurs. Kick-back will propel the tool in direction opposite
to the wheel's movement at the point of snagging.
d) Take special care when working corners, sharp edges etc. Avoid
bouncing and snagging the accessory. Corners, sharp edges or
bouncing 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.
Safety warnings specific for grinding and
cutting-off operations:
a) Use only wheel types that are recommended for your power tool
and the specific guard designed for the selected wheel. Wheels for
which the power tool was not designed cannot be adequately guard-
ed and are unsafe.
b) Use only the specific guard designed for the selected wheel. The
guard must be securely attached to the power tool and positioned
for maximum safety, so the least amount of wheel is exposed to-
wards the operator. The guard helps to protect the operator from
broken wheel fragments and accidental contact with the wheel.
c) Wheels must be used only for recommended applications. For ex-
ample: do not grind with the side of cut-off wheel. Abrasive cut-off
wheels are intended for peripheral grinding, side forces applied to
these wheels may cause them to shatter.
d) Always use undamaged wheel flanges that are of correct size and
shape for your selected wheel. Proper wheel flanges support the
wheel thus reducing the possibility of wheel breakage. Flanges for
cut-off wheels may be different from grinding wheel flanges.
e) Do not use worn down wheels from larger power tools. Wheels in-
tended for larger power tools are not suitable for the higher speed of
a smaller tool and may burst.
Additional safety instructions for cutting-off
operations:
a) Do not "jam" the cut-off wheel or apply excessive pressure. Do not
attempt to make an excessive depth of cut. Overstressing the wheel
increases the loading and susceptibility to twisting or binding of the
wheel in the cut and the possibility of kickback or wheel breakage.
b) Do not position your body in line with and behind the rotating
wheel. When the wheel, at the point of operation, is moving away
from your body, the possible kickback may propel the spinning wheel
and the power tool directly at you.
c) When wheel is binding or when interrupting a cut for any reason,
switch off the power tool and hold the power tool motionless until
the wheel comes to a complete stop. Never attempt to remove the
cut-off wheel from the cut while the wheel is in motion otherwise
kick-back may occur. Investigate and take corrective action to elimi-
nate the cause of wheel binding.
d) Do not restart the cutting operation in the workpiece. Let the
wheel reach full speed and carefully reenter the cut. The wheel may
bind, walk up or kickback if the power tool is restarted in the work-
piece.
e) Support panels or any oversized workpiece to minimise the risk of
wheel pinching and kick-back. Large workpieces tend to sag under
their own weight. Supports must be placed under the workpiece near
the line of cut and near the edge of the workpiece on both sides of the
wheel.
f) Take extra caution when making a "pocket cut" into existing walls
or other blind areas. The protruding wheel may cut gas or water
pipes, electrical wiring or objects that can cause kickback.
Safety Warnings Specific for Sanding
Operations:
a) Do not use excessively oversized sanding disc paper. Follow manu-
facturers recommendations when selecting sanding paper. Larger
sanding paper extending beyond the sanding pad presents a lacera-
tion hazard and may cause snagging, tearing of the disc or kickback.
Safety Warnings Specific for Wire Brushing
Operations:
a) Be aware that wire bristles are thrown by the brush even during
ordinary operation. Do not overstress the wires by applying exces-
sive load to the brush. The wire bristles can easily penetrate light
clothing and/or skin.
b) If the use of a guard is recommended for wire brushing, do not al-
low any interference of the wire wheel or brush with the guard.
Wire wheel or brush may expand in diameter due to work load and
centrifugal forces.
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