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OBJ_BUCH-0000000194-003.book Page 6 Friday, December 11, 2015 12:00 PM
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6
Kickback is the result of power tool misuse
and/or incorrect operating procedures or
conditions and can be avoided by taking
proper precautions as given below.
Maintain a firm grip on the power tool and posi-
tion 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 opera-
tor can control torque reactions or kickback
forces, if proper precautions are taken.
Never place your hand near the rotating
accessory. Accessory may kickback over
your hand.
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 snag-
ging.
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.
Do not attach a saw chain woodcarving blade
or toothed saw blade. Such blades create fre-
quent kickback and loss of control over the
power tool.
Safety warnings specific for grinding
and abrasive cutting-off operations
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 can-
not be adequately guarded and are unsafe.
The grinding surface of the centre 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.
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 operator from broken wheel
fragments, accidental contact with wheel and
sparks that could ignite clothing.
Wheels must be used only for recommended
applications. For example: do not grind with
the side of the cut-off wheel. Abrasive cut-off
wheels are intended for peripheral grinding;
side forces applied to these wheels may cause
them to shatter.
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.
Do not use worn down wheels from larger
power tools. Wheels intended for larger
power tools are not suitable for the higher
speed of a smaller tool and may burst.
Additional safety warnings specific
for abrasive cutting off operations
Do not "jam" the cut-off wheel or apply exces-
sive pressure. Do not attempt to make an exces-
sive depth of cut. Overstressing the wheel
increases the loading and susceptibility to twist-
ing or binding of the wheel in the cut and the
possibility of kickback or wheel breakage.
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.
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
kickback may occur. Investigate and take cor-
rective action to eliminate the cause of wheel
binding.
Do not restart the cutting operation in the
workpiece. Let the wheel reach full speed and
carefully re-enter the cut. The wheel may
bind, walk up or kickback if the power tool is
restarted in the workpiece.
Support panels or any oversized workpiece to
minimize 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.
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