Scheppach KS1200 Originalbetriebsanleitung Seite 25

Once you have checked and used the grinding
disc, ensure that you and all other persons in
the vicinity remain outside the plane of the
rotating grinding disc and allow the device
to run for one minute at the maximum speed.
Damaged grinding discs usually break during this
test period.
i) Wear personal protective equipment. Depend-
ing on application, use face shield, safety
goggles or safety glasses. Where appropriate,
wear a dust mask, hearing protection, protec-
tive gloves or a special apron that will keep
small grinding and material particles away
from you. Eye protection must protect against
flying debris generated by various applications.
Dust or breathing masks must filter the dust gen-
erated during use. Prolonged exposure to high
intensity noise may cause hearing loss.
j) Ensure that other people remain at a safe dis-
tance from your workspace. Anyone who en-
ters the workspace must wear personal pro-
tective equipment. Fragments of workpiece or of
a broken tool attachment may fly away and cause
injury beyond immediate area of operation.
k) Keep the power cable away from rotating tool
attachments. If you lose control of the device, the
connection cable can be severed or caught and
your arm pulled into the rotating tool attachment.
l) Clean the ventilation slits of your power tool
regularly. The engine fan draws dust into the
housing and a strong accumulation of metal dust
can cause electrical hazards.
m) Never use the power tool in the vicinity of in-
flammable materials. Do not use the power
tool if it is on a flammable surface such as
wood. Sparks could ignite these materials.
n) Do not use any tool attachments which require
liquid coolant. The use of water or other liquid
coolants may lead to an electric shock.
2) Kick-back and corresponding safety instruc-
tions
Kick-back is the sudden reaction due to a caught
or blocked rotating cutting wheel. Getting caught or
blocking leads to an abrupt stop of the rotating tool
attachment. This will accelerate an uncontrolled abra-
sive cutting tool upwards towards the operator.
For example, if a cutting 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 ma-
terial causing the cutting wheel to climb out or kick out.
Cutting wheels may also break under these conditions.
Kickback is the result of incorrect or deficient use of
the power tool. It can be prevented by suitable pre-
cautionary measures, as described in the following.
a) Hold the power tool firmly in both hands and
position your body and arms so they can ab-
sorb the force of a kickback. By taking adequate
precautions, the operator can stay in control of the
kickback and reaction forces.
b) Avoid the area in front of and behind the rotat-
ing cutting wheel. In the event of a kickback, the
cutting tool is propelled upwards in the direction
of the operator.
c) Never use a chain, wood cutting or toothed
saw blade, or any segmented diamond grind-
ing wheel with gaps of more than 10 mm. Such
accessories often cause a kickback or loss of con-
trol over the power tool.
d) Avoid blocking the cutting wheel or applying
too much pressure. Do not make excessive-
ly deep cuts. Overloading the cutting wheel in-
creases its stress and susceptibility to tilting or
blocking and therefore the possibility of kick-back
or breaking of the grinding wheel.
e) If the cutting wheel jams or you interrupt your
work, switch the device off and hold the cut-
ting tool still in the material until the wheel
has come to a standstill. Never try to pull the
cutting wheel out of the cut while it is still run-
ning, otherwise kick-back may occur. Deter-
mine and remedy the cause of the jamming.
f) Do not switch the power tool on again while it
is in the workpiece. Allow the cutting wheel to
reach its full speed first before carefully con-
tinuing the cut. Otherwise the disc can get stuck,
jump out of the workpiece or cause kick-back.
g) Support large workpieces to reduce the risk of
kick-back caused by a jammed cutting wheel.
Large workpieces tend to sag under their own
weight. The workpiece must be supported on both
sides of the disc, that is both close to the separat-
ing cut and at the edge.
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