6
FURTHER SAFETY INSTRUCTIONS FOR ALL OPERATIONS
cut-off wheels may be different from grinding wheel flanges.
e)
Do not use worn down wheels from larger power tools.
Wheel
Kickback and Related Warnings:
intended for larger power tool is not suitable for the higher speed of a
Kickback is a sudden reaction to a pinched or snagged rotating wheel,
smaller tool and may burst.
backing pad, brush or any other accessory. Pinching or snagging causes
rapid stalling of the rotating accessory which in turn causes the
Additional Safety Warnings Specific for Abrasive
uncontrolled power tool to be forced in the direction opposite of the
Cutting-Off Operations:
accessory's rotation at the point of the binding.
a)
Do not “jam” the cut-off wheel or apply excessive pressure.
For example, if an abrasive wheel is snagged or pinched by the
Do not attempt to make an excessive depth of cut.
workpiece, the edge of the wheel that is entering into the pinch point can
Overstressing the wheel increases the loading and susceptibility to
dig into the surface of the material causing the wheel to climb out or kick
twisting or binding of the wheel in the cut and the possibility of
out. The wheel may either jump toward or away from the operator,
kickback or wheel breakage.
depending on direction of the wheel's movement at the point of
b)
Do not position your body in line with and behind the
pinching. Abrasive wheels may also break under these conditions.
rotating wheel.
When the wheel, at the point of operation, is
Kickback is the result of power tool misuse and/or incorrect operating
moving away from your body, the possible kickback may propel the
procedures or conditions and can be avoided by taking proper
spinning wheel and the power tool directly at you.
precautions as given below.
c)
When wheel is binding or when interrupting a cut for any
a)
Maintain a firm grip on the power tool and position your
reason, switch off the power tool and hold the power tool
body and arm to allow you to resist kickback forces. Always
motionless until the wheel comes to a complete stop. Never
use auxiliary handle, if provided, for maximum control over
attempt to remove the cut-off wheel from the cut while the
kickback or torque reaction during start-up.
The operator can
wheel is in motion otherwise kickback may occur.
Investigate
control torque reactions or kickback forces, if proper precautions are
and take corrective action to eliminate the cause of wheel binding.
taken.
d)
Do not restart the cutting operation in the workpiece. Let
b)
Never place your hand near the rotating accessory.
Accessory
the wheel reach full speed and carefully reenter the cut.
The
may kickback over your hand.
wheel may bind, walk up or kickback if the power tool is restarted in the
c)
Do not position your body in the area where power tool will
workpiece.
move if kickback occurs.
Kickback will propel the tool in direction
e)
Support panels or any oversized workpiece to minimize the
opposite to the wheel's movement at the point of snagging.
risk of wheel pinching and kickback.
Large workpieces tend to
d)
Use special care when working corners, sharp edges etc.
sag under their own weight. Supports must be placed under the
Avoid bouncing and snagging the accessory.
Corners, sharp
workpiece near the line of cut and near the edge of the workpiece on
edges or bouncing have a tendency to snag the rotating accessory and
both sides of the wheel.
cause loss of control or kickback.
f)
Use extra caution when making a “pocket cut” into
existing
e)
Do not attach a saw chain woodcarving blade or toothed saw
walls or other blind areas.
The protruding wheel may cut gas or
blade.
Such blades create frequent kickback and loss of control.
water pipes, electrical wiring or objects that can cause kickback.
ADDITIONAL SAFETY INSTRUCTIONS FOR GRINDING AND CUTTING-
Safety Warnings Specific for Sanding Operations:
OFF OPERATIONS
Safety Warnings Specific for Grinding and Abrasive
a)
Do not use excessively oversized sanding disc paper. Follow
Cutting-Off Operations
:
manufacturers recommendations, when selecting sanding
a)
Use only wheel types that are recommended for your power
paper.
Larger sanding paper extending beyond the sanding pad
tool and the specific guard designed for the selected wheel.
presents a laceration hazard and may cause snagging, tearing of the
Wheels for which the power tool was not designed cannot be
disc or kickback.
adequately guarded and are unsafe.
ADDITIONAL SAFETY INSTRUCTIONS FOR WIRE BRUSHING
b)
The guard must be securely attached to the power tool and
OPERATIONS
positioned for maximum safety, so the least amount of
Safety Warnings Specific for Wire Brushing
wheel is exposed towards the operator.
The guard helps to
Operations:
protect operator from broken wheel fragments and accidental contact
with wheel.
a)
Be aware that wire bristles are thrown by the brush even
during ordinary operation. Do not overstress the wires by
c)
Wheels must be used only for recommended applications.
applying excessive load to the brush.
The wire bristles can easily
For example: do not grind with the side of cut-off wheel.
penetrate light clothing and/or skin.
Abrasive cut-off wheels are intended for peripheral grinding, side
forces applied to these wheels may cause them to shatter.
b)
If the use of a guard is recommended for wire brushing, do
d)
Always use undamaged wheel flanges that are of correct size
not allow any interference of the wire wheel or brush with
and shape for your selected wheel.
Proper wheel flanges support
the guard.
Wire wheel or brush may expand in diameter due to work
the wheel thus reducing the possibility of wheel breakage. Flanges for
load and centrifugal forces.
