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hands, and arms. Use gloves to
provide extra cushion, take frequent
rest periods, and limit daily time of use.
y ) Air vents often cover moving parts
and should be avoided. Loose
clothes, jewelry or long hair can be
caught in moving parts.
Kickback and Related Warnings
Kickback is a sudden reaction to a pinched
or snagged rotating 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 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 tool misuse and/or
incorrect operating procedures 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 auxiliary handle,
if provided, for maximum control
over kickback or torque reaction
during start up. The operator can
control torque reaction 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 power tool will move if kickback
occurs. Kickback will propel the tool
in direction opposite to the 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 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 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 guarded and
are unsafe.
b ) The grinding surface of center
depressed wheels must be mounted
below the plane of the guard lip.
An improperly mounted wheel that
projects through the plane of the guard
lip cannot be adequately protected.
c ) The guard must be securely
attached to the power tool and
positioned for maximum safety,
so the least amount of wheel is
exposed towards the operator. The
guard helps to protect the operator
from broken wheel fragments,
accidental contact with wheel and
sparks that could ignite clothing.
d ) Wheels must be used only for
recommended applications. For
example: 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.
e ) 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.
f ) Do not use worn down wheels from
larger power tools. Wheel intended
for larger power tool is not suitable for
the higher speed of a smaller tool and
may burst.
Safety Warnings Specific for
Sanding Operations
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.
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