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OBJ_BUCH-1420-007.book Page 6 Wednesday, July 27, 2016 3:16 PM
6 | English
Safety Warnings for Straight Grinders
Safety Warnings Common for Grinding
This power tool is intended to function as a grinder.
Read all safety warnings, instructions, illustrations and
specifications provided with this power tool. Failure to
follow all instructions listed below may result in electric
shock, fire and/or serious injury.
This power tool is not recommended for sandpaper
grinding, wire brushing, polishing and abrasive cut-off
operations. Operations for which the power tool was not
designed may create a hazard and cause personal injury.
Do not use accessories which are not specifically de-
signed and recommended by the tool manufacturer.
Just because the accessory can be attached to your power
tool, it does not assure safe operation.
The rated speed of the grinding accessory must be at
least equal to the maximum speed marked on the pow-
er tool. Grinding accessories rotating faster than their per-
mitted speed can break and fly around.
The outside diameter and the thickness of your acces-
sory must be within the capacity rating of your power
tool. Incorrectly sized accessories cannot be adequately
guarded or controlled.
The arbour size of wheels, sanding drums or any other
accessory must properly fit the spindle or collet of the
power tool. Accessories that do not match the mounting
hardware of the power tool will run out of balance, vibrate
excessively and may cause loss of control.
Mandrel-mounted wheels, grinding cylinders, cutting
tools or other accessories must be inserted fully into
the collet or chuck. The "protrusion" or exposed part of
the mandrel between grinding accessory and collet or
chuck must be minimal. If the mandrel is not sufficiently
clamped or the grinding accessory is too far forward, the
accessory may become loose and be ejected at great
speed.
Do not use a damaged accessory. Before each use in-
spect the accessory such as abrasive wheels for chips
and cracks, sanding drum for cracks, tear or excess
wear, wire brush for loose or cracked wires. If power
tool or accessory is dropped, inspect for damage or in-
stall an undamaged accessory. After inspecting and in-
stalling 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 min-
ute. Damaged accessories will normally break apart during
this test time.
Wear personal protective equipment. Depending on
application, use face shield, safety goggles or safety
glasses. As appropriate, wear dust mask, hearing pro-
tectors, gloves and shop apron capable of stopping
small abrasive or workpiece fragments. The eye protec-
tion must be capable of stopping flying debris generated
by various operations. The dust mask or respirator must be
capable of filtrating particles generated by your operation.
Prolonged exposure to high intensity noise may cause
hearing loss.
1 609 92A 2F2 | (27.7.16)
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.
Hold the power tool only by the insulated gripping sur-
faces, when performing an operation where the cutting
accessory may contact hidden wiring or its own con-
necting cable. Cutting accessory contacting a "live" wire
may make exposed metal parts of the power tool "live" and
could give the operator an electric shock.
Always hold the tool firmly in your hand(s) during the
start-up. The reaction torque of the motor, as it acceler-
ates to full speed, can cause the tool to twist.
If possible, use clamps to fix the workpiece. Never hold
a small workpiece in one hand whilst operating the
power tool in the other. Clamping small workpieces gives
you both hands free to better control the power tool.
Round workpieces such as wooden dowels, bars or pipes
tend to roll away when being cut, which can cause the ac-
cessory to jam and be hurled towards you.
Position the connecting cable clear of the spinning ac-
cessory. If you lose control of the power tool, the connect-
ing cable may be cut or snagged and your hand or arm may
be pulled into the spinning accessory.
Never lay the power tool down until the accessory has
come to a complete stop. The spinning wheel may grab
the surface and pull the power tool out of your control.
After changing the bits or making any adjustments,
make sure the collet nut, chuck or any other adjust-
ment devices are securely tightened. Loose adjustment
devices can unexpectedly shift, causing loss of control,
loose rotating components will be violently thrown.
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.
Regularly clean the power tool's air vents. The motor's
fan will draw the dust inside the housing and excessive ac-
cumulation of powdered metal may cause electrical haz-
ards.
Do not operate the power tool near flammable materi-
als. Sparks could ignite these materials.
Do not use accessories that require liquid coolants. Us-
ing water or other liquid coolants may result in electrocu-
tion or shock.
Kickback and related warnings
Kickback is a sudden reaction to a pinched or snagged ro-
tating wheel, belt, brush or any other accessory. Pinching
or snagging causes rapid stalling of the rotating accessory
which in turn causes the uncontrolled power tool to be
forced in the direction opposite of the accessory's rota-
tion.
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
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