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b) Offset grinding discs must be mounted in such
a way that their grinding surface does not
project above the plane of the blade guard
edge. An improperly fitted grinding disc which
protrudes beyond the edge of the blade guard
cannot be properly guarded.
c) The blade guard must be securely attached to
the power tool and adjusted for maximum
safety so that the minimum possible amount
of the abrasive medium is open to the oper-
ator. The blade guard is designed to protect the
operator from fragments, accidental contact
with the grinding tool and sparks that could
ignite clothing.
d) Grinding tools should only be used for the
recommended applications.
For instance, never grind with the side surface
of a cutting disc. Cutting discs are designed to
remove material with the edge of the disc. Any
lateral application of force on these grinding
tools can cause them to break.
e) Always use undamaged clamping flanges
of the correct size and shape for the grinding
wheel you have selected. Suitable flanges
support the grinding disc and reduce the risk of
a disc breakage. Flanges for cutting discs can
be different to flanges for other grinding discs.
f) Do not use worn grinding discs from larger
power tools. Grinding discs for larger power
tools are not designed for the higher rotational
speeds of smaller power tools and can break.
g) When using discs for a dual purpose, always
use the appropriate blade guard for the appli-
cation being performed. Failure to use the
correct guard can result in failure to provide the
desired shielding and can lead to serious injury.
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8
Additional special safety instructions
for abrasive cutting
a) Avoid exerting excessive contact pressure,
and do not allow the cutting disc to jam.
Do not make any excessively deep cuts. Over-
loading the cutting disc increases the stress and
likelihood of tilting or jamming and thus the
possibility of a kickback or a breakage of the
grinding tool.
b) Avoid the area in front of and behind the
rotating cutting disc. When you move the cutting
disc away from yourself in the workpiece, it is
possible, in the event of a kickback, that the
electrical tool will be thrown out directly
towards you together with the rotating disc.
c) If the cutting disc jams or you stop working,
switch the tool off and hold it steady until the
disc has completely stopped turning. Never
attempt to pull a rotating cutting disc out of a
cut. This could lead to a kickback. Identify and
remove the cause of the jam.
d) Do not switch the power tool back on as long
as it is in the workpiece. Allow the cutting
disc to reach its full speed before carefully
resuming the cut. Otherwise, the disc can jam,
jump out of the workpiece or cause a kickback.
e) Provide support for panels or large work-
pieces to reduce the risk of the cutting disc
jamming and causing a kickback. Large work-
pieces can bend under their own weight. The
workpiece must be supported on both sides of
the disc: both in the vicinity of the cutting disc
and also at the edge.
f) Be particularly careful when making pocket
cuts into existing walls or other obscured areas.
The inserted cutting disc may cut into gas or
water pipes, electrical wiring or other objects
that can cause a kickback.
g) Do not make any curved cuts. Overloading the
cutting disc increases the stress and likelihood of
tilting or jamming and thus the possibility of a
kickback or a breakage of the grinding tool,
which can lead to severe injuries.
PWSA 20-Li F4
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