Metabo W 650-125 (603602010) [6/40] English en
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Metabo W 650-125 (603602010) [6/40] English en

6
ENGLISHen
and an 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.
3.2Kickback and related warnings
Kickback is a sudden reaction to a pinched or
snagged sanding wheel, backing pad, brush or any
other accessory. Pinching or snagging causes the
rotating accessory to stall rapidly, This in turn
causes the uncontrolled power tool to be forced in
the opposite direction from which the accessory is
rotating at the pinched or snagged point.
For example, if an abrasive wheel is snagged or
pinched by the workpiece, the edge of the wheel
entering the pinch point can dig into the surface of
the material causing the wheel to climb out or kick
out. The abrasive wheel may either jump toward or
away from the operator, depending on direction the
disc is moving at the pinch point. 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 if suitable precautionary measures
are taken as described below.
a) Maintain a firm grip on the power tool and
position your body and arm so that you can
resist kickback forces. Always use the
additional handle, if provided, for maximum
control over kickback or a 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 a rotating
accessory. The accessory may kickback over your
hand.
c) Do not position your body in the area
where the power tool will move if kickback
occurs. Kickback
will propel the tool in the direction opposite to the
grinding wheel’s movement at the pinch or snag
point.
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 can cause you to lose
control.
3.3Safety Warnings Specific for Grinding
and Cut-Off Grinding:
a) Use only wheel types that are recommended
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.
b) The grinding surface of the centre depressed
wheels must be mounted below the plane of
the guard lip. An improperly mounted grinding
wheel that projects through the plane of the guard
lip cannot be adequately guarded.
c) The guard must be securely attached to the
power tool and positioned for maximum safety
so that the least amount of wheel is exposed
towards the operator. The guard helps to protect
operator from broken wheel fragments and
accidental contact with the wheel and sparks which
could ignite clothing.
d) Grinding media must be used only for
recommended applications.
For example: do not grind with the side of the
cutting disc. Cutting discs are intended for
grinding using the edge of the disc. Applying force
to the sides of these discs may cause them to
shatter.
e) Always use undamaged wheel flanges that
are the correct size and shape for your selected
grinding wheel. Proper wheel flanges support the
grinding wheel, reducing the possibility of
breakage. Flanges for cutting discs may be different
from grinding wheel flanges.
f) Do not use worn down grinding wheels from
larger power tools. Grinding wheels intended for
larger power tools are not suitable for the higher
speed of a smaller tool and may break.
3.4Additional Safety Warnings Specific for
Cut-Off Grinding:
a) Do not “jam” the cutting disc or apply
excessive pressure. Do not attempt to make an
excessively deep cut. Overstressing the cutting
disc increases the load and makes the disc more
susceptible to twisting or bending in the cut and
more likely to kick back and break.
b) Do not position your body in line with or
behind the rotating cutting disc. When the
cutting disc is moving away from your body at the
point of operation, any kickback can propel the
spinning disc and the power tool directly towards
you.
c) If the cutting disc is stuck or when
interrupting a cut for any reason, switch off the
power tool and hold the power tool motionless
until the disc comes to a complete stop. Never
attempt to remove the cutting disc from the cut
while the disc is in motion; otherwise kickback
may occur. Investigate and take corrective action
to eliminate the cause if a disc becomes stuck.
d) Do not restart the cutting operation in the
workpiece. Let the cutting disc reach full speed
and carefully re-enter 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 cutting disc pinching
and kickback. Large workpieces tend to sag under
their own weight. Supports must be placed under
the workpiece near the line of the cut and near the
edge of the workpiece on both sides of the wheel.

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