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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.
Further safety instructions for all applications
Kick-back and corresponding safety instructions
Kick-back is the sudden reaction resulting from a
caught or jammed rotating insert tool, such as a grind-
ing disc, grinding wheel, wire brush, etc. catching or
jamming results in the rotating insert tool stopping
abruptly. As a result, an uncontrolled electric tool is
accelerated against the direction of rotation of the tool
attachment at the blocking point.
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 move-
ment at the point of pinching. Abrasive wheels may
also break under these conditions.
Kick-back is the result of incorrect use of the electric
tool and/or deficient working conditions.
It can be pre-
vented by suitable precautionary measures, as de-
scribed in the following.
a)
Maintain a firm grip on the power tool and po
-
sition your body and arm to allow you to resist
kickback forces. Always use auxiliary handle,
if provided, for maximum control over kick-
back 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 acces-
sory.
Accessory may kickback over your hand.
c) Avoid the area with your body where the elec-
tric tool will be moved in the event of a kick-
back.
Kickback will propel the tool in direction
opposite to the wheel’s movement at the point of
snagging.
g) Do not use a damaged accessory. Before each
use inspect the accessory such as abrasive
wheels for chips and cracks, backing pad for
cracks, tear or excess wear, wire brush for
loose or cracked wires. If power tool or acces-
sory is dropped, inspect for damage or install
an undamaged accessory. After inspecting
and installing an accessory, position yourself
and bystanders away from the plane of the
rotating accessory and run the power tool at
maximum no-load speed for one minute.
Dam-
aged tool attachments normally break during this
test period.
h) 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.
The eye protection must be capable of
stopping flying debris generated by various opera
-
tions.
Dust or breathing masks must filter the dust
generated during use. 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) When performing work during which the insert
tool can meet with concealed power lines or its
own mains cable, only hold the electric tool by
the insulated gripping surfaces.
Contact with a
live power line can also electrify metal device parts
and lead to an electric shock.
k) Position the cord clear of the spinning acces-
sory.
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 acces-
sory has come to a complete stop.
The spinning
accessory may grab the surface and pull the pow-
er 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.
