Operation Manual
14
j) Hold power tool by insulated gripping surfaces, 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
could give the operator an electric shock.
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 ammable 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.
Kickback and related warnings
Kickback is a sudden reaction to a pinched or snagged rotating wheel.
Pinching or snagging causes rapid stalling of the rotating wheel which
in turn causes the uncontrolled power tool to be forced in the direction
opposite of the wheel‘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 saw misuse and/or incorrect operating procedures
or conditions and can be avoided by taking proper precautions as given
below.
a) Maintain a rm 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
reactions 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 Specic for Grinding and Abrasive Cutting-O
Operations:
a) Use only wheel types that are recommended for your power
tool and the specic guard designed for the selected wheel.
Wheels for which the power tool was not designed cannot be adequately
guarded and are unsafe.
b) 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 operator
from broken wheel fragments and accidental contact with wheel.
c) Wheels must be used only for recommended applications. For
example: do not grind with the side of cut-o wheel. Abrasive
cut-o wheels are intended for peripheral grinding, side forces applied to
these wheels may cause them to shatter.
d) Always use undamaged wheel anges that are of correct size
and shape for your selected wheel. Proper wheel anges support the
wheel thus reducing the possibility of wheel breakage. Flanges for cut-o
wheels may be dierent from grinding wheel anges.
e) Do not use worn down wheels from larger power tools. Wheel
intended for larger power tool is not suitable for the higher speed of a
smaller tool and may burst.
Additional Safety Warnings Specic for Abrasive Cutting-O
Operations:
a) Do not “jam” the cut-o 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 binding of
the wheel in the cut and the possibility of kickback or wheel breakage.
b) Do not position your body in line with and behind the rotating
wheel. When the wheel, at the point of operation, is moving away from
your body, the possible kickback may propel the spinning wheel and the
power tool directly at you.
c) When wheel is binding or when interrupting a cut for any
reason, switch o the power tool and hold the power tool
motionless until the wheel comes to a complete stop. Never
attempt to remove the cut-o 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 binding.
d) Do not restart the cutting operation in the workpiece. Let
the wheel reach full speed and carefully reenter the cut. The
wheel may bind, walk up or kickback if the power tool is restarted in the
workpiece.
e) Support panels or any oversized workpiece to minimize the risk
of wheel pinching and kickback. Large workpieces tend to sag under
their own weight. Supports must be placed under the workpiece near the
line of cut and near the edge of the workpiece on both sides of the wheel.
f) Use extra caution when making a “pocket cut” into existing
walls or other blind areas. The protruding wheel may cut gas or water
pipes, electrical wiring or objects that can cause kickback.
Safety Warnings Specic for Sanding Operations:
a) Do not use excessively oversized sanding disc paper. Follow
manufacturers recommendations, when selecting sanding paper.
Larger sanding paper extending beyond the sanding pad presents a
laceration hazard and may cause snagging, tearing of the disc or kickback.
Safety Warnings Specic for Wire Brushing Operations:
a) Be aware that wire bristles are thrown by the brush even
during ordinary operation. Do not overstress the wires by
applying excessive load to the brush. The wire bristles can easily
penetrate light clothing and/or skin.
b) If the use of a guard is recommended for wire brushing, do
not allow any interference of the wire wheel or brush with the
guard. Wire wheel or brush may expand in diameter due to work load
and centrifugal forces.
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