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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.
h)
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 operations. The
dust mask or respirator must be capable
of filtrating particles generated by your
operation. Prolonged exposure to high
intensity noise may cause hearing loss.
i)
Keep bystanders a safe distance away
from work area. Anyone entering the
work area must wear personal protective
equipment.
Fragments of workpiece or of a
broken accessory may fly away and cause
injury beyond immediate area of operation.
j)
Hold power tool by insulated gripping
surfaces only, when performing an
operation where the cutting accessory
may contact hidden wiring or its own
cord.
Cutting accessory contacting a “live”
wire may make exposed metal parts of the
power tool “live” and shock the operator.
k)
Position the cord clear of the spinning
accessory.
If you lose control, the cord may
be cut or snagged and your hand or arm
may be pulled into the spinning accessory.
l)
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.
m)
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.
n)
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.
o)
Do not operate the power tool near
flammable materials.
Sparks could ignite
these materials.
p)
Do not use accessories that require
liquid coolants.
Using water or other liquid
coolants may result in electrocution or shock
.
Causes and Operator Prevention of Kickback
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 tool misuse and/or
incorrect operating procedures 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. Always use
auxiliary handle, if provided, for maximum
control over kickback or torque reaction
during start up.
The operator can control
torque reaction or kickback forces, if proper
precautions are taken.
b)
Never place your hand near the rotating
accessory.
Accessory may kickback over
your hand.
c)
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.
d)
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.
e)
Do not attach a saw chain woodcarving
blade or toothed saw blade.
Such blades
create frequent kickback and loss of control.
Safety Warnings Specific for Grinding and Abrasive
Cutting-Off Operations Operations
a)
Use only wheel types that are
recommended for your power tool and
