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CUT-OFF TOOL/GRINDER/SANDER SAFETY WARNINGS
„ Do not use a damaged accessory. Before each use in-
spect the accessory such as abrasive wheels for chips
and cracks, backing pad for cracks, tear or excess
wear, wire brush for loose or cracked wires. If power
tool or accessory is dropped, inspect for damage or
install an undamaged accessory. After inspecting and
installing an accessory, position yourself and bystand-
ers away from the plane of the rotating accessory and
run the power tool at maximum no-load speed for one
minute. Damaged accessories will normally break apart
during this test time.
„ Wear personal protective equipment. Depending on
application, use face shield, safety goggles or safety
glasses. As appropriate, wear dust mask, hearing
protectors, gloves and workshop apron capable of
stopping small abrasive or workpiece fragments. The
eye protection must be capable of stopping flying debris
generated by various applications. The dust mask or res-
pirator must be capable of filtrating particles generated
by the particular application. Prolonged exposure to high
intensity noise may cause hearing loss.
„ Keep bystanders a safe distance away from work
area. Anyone entering the work area must wear per-
sonal protective equipment. Fragments of workpiece
or of a broken accessory may fly away and cause injury
beyond immediate area of operation.
„ Hold the power tool by insulated gripping surfaces
only, when performing an operation where the cutting
tool may contact hidden wiring. Contact with a "live"
wire will also make exposed metal parts of the power
tool "live" and could give the operator an electric shock.
„ Never lay the power tool down until the accessory
has come to a complete stop. The spinning accessory
may grab the surface and pull the power tool out of your
control.
„ Do not run the power tool while carrying it at your side.
Accidental contact with the spinning accessory could
snag your clothing, pulling the accessory into your body.
„ Regularly clean the power tool's air vents. The motor's
fan will draw the dust inside the housing and excessive
accumulation of powdered metal may cause electrical
hazards.
„ Do not operate the power tool near flammable materi-
als. Sparks could ignite these materials.
„ Do not use accessories that require liquid coolants.
Using water or other liquid coolants may result in elec-
trocution or shock.
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 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 with both hands on the power
tool and position your body and arms 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 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. Kickback will propel
the tool in direction opposite to the wheel's movement
at the point of snagging.
„ 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, seg-
mented diamond wheel with a peripheral gap greater
than 10 mm or toothed saw blade. Such blades create
frequent kickback and loss of control.
SAFETY WARNINGS SPECIFIC FOR GRINDING
AND CUTTING-OFF OPERATIONS
„ Use only wheel types that are specified 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.
„ The grinding surface of 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 the operator from broken wheel
fragments, accidental contact with wheel and sparks that
could ignite clothing.
„ Wheels must be used only for specified 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.
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