9
operating procedures or conditions and can be avoided by tak-
ing proper precautions as given below.
Maintain a firm grip on the power tool and position your body
and arm to allow you to resist kickback forces.
The operator
can control kickback forces, if proper precautions are taken.
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 acces-
sory and cause loss of control or kickback.
Do not attach a toothed saw blade.
Such blades create fre-
quent kickback and loss of control.
Always feed the bit into the material in the same direction as
the cutting edge is exiting from the material (which is the
same direction as the chips are thrown).
Feeding the tool in
the wrong direction causes the cutting edge of the bit to climb
out of the work and pull the tool in the direction of this feed.
When using rotary files, cut-off wheels, high-speed cutters or
tungsten carbide cutters, always have the work securely
clamped.
These wheels will grab if they become slightly canted
in the groove, and can kickback. When a cut-off wheel grabs,
the wheel itself usually breaks. When a rotary file, high-speed
cutter or tungsten carbide cutter grabs, it may jump from the
groove and you could lose control of the tool.
Safety warnings specific for grinding and
abrasive cutting-off operations:
Use only wheel types that are recommended for your power
tool and only for recommended applications. For example:
do not grind with the side of a cut-off wheel.
Abrasive cut-off
wheels are intended for peripheral grinding, side forces
applied to these wheels may cause them to shatter.
For threaded abrasive cones and plugs use only undamaged
wheel mandrels with an unrelieved shoulder flange that are
of correct size and length.
Proper mandrels will reduce the
possibility of breakage.
Do not “jam” a 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 snagging of the wheel in the cut and the possibility of kick-
back or wheel breakage.
Do not position your hand in line with and behind the rotat-
ing wheel.
When the wheel, at the point of operation, is moving
away from your hand, the possible kickback may propel the
spinning wheel and the power tool directly at you.
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