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dures 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. The operator can control kickback
forces, if proper precautions are taken.
b)
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.
c)
Do not attach a toothed saw blade. Such blades create frequent kickback
and loss of control.
d)
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.
e)
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.
Additional safety instructions for grinding and cutting-off operations
Safety warnings specific for grinding and abrasive cutting-off operations:
a)
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.
b)
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.
c)
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 kickback or wheel breakage.
d)
Do not position your hand in line with and behind the rotating 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.
e)
When wheel is pinched, snagged 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 corrective action to eliminate
the cause of wheel pinching or snagging.
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