Worx Professional WU820 Manual de usuario
Angle grinder
Winkelschleifer
Meuleuse d’angle
Smerigliatrice angolare
Amoladora angular
Haakse slijpmachine
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EN 06
D 13
F 20
I 27
ES 34
NL 41
PL 48
HU 56
RO 64
CZ 72
SK 79
Szlierka kątowa
Sarokcsiszoló
Polizor unghiular
Úhlová bruska
Uhlová brúska
WU820 WU830
Original instructions
Originalbetriebsanleitung
Notice originale
Istruzioni originali
Manual original
Oorspronkelijke gebruiksaanwijzing
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EN
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NL
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HU
RO
CZ
SK
Tłumaczenie oryginalnych instrukcji
Eredeti használati utasítás
Traducerea instrucţiunilor iniţiale
Překlad původních pokynů
Preklad pôvodných pokynov
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14
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A B
C1 C2
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FG
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A B
C1 C2
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FG
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COMPONENT LIST
1. On / Off switch
2. Hand Grip Area
3. Auxiliary Handle
4. Spindle Lock Button
5.Wheel Guard for Grinding
6. Outer flange
7. Inner Flange
8. Spindle
9. Spanner
Not all the accessories illustrated or described are included in standard delivery.
TECHNICAL DATA
Type WU820WU830(820, 830 - designation of machinery, representative of Angle Grinder)
WU820 WU830
Voltage 220-240V~50/60Hz
Power input 720W
Rated speed 12000/min
Protection class /II
Spindle thread M14
Disc size 115mm 125mm
Disc bore 22.2mm
Machine weight 1.5kg
Thickness of grinding wheels 6mm
NOISE INFORMATION
WU820 WU830
A weighted sound pressure 89.6dB(A) 89.2dB A)
A weighted sound power 100.6dB(A) 100.2dB(A)
KpA& KwA 3.0dB(A)
Wear ear protection when sound pressure is over 80dB(A)
7
VIBRATION INFORMATION
WU820 WU830
Vibration total values (triax vector sum) determined according to EN 60745:
Typical weighted vibration
Vibration emission value ah=4,511m/s2ah=5,513m/s2
Uncertainty K=1.5m/s²
The declared vibration total value may be used for comparing one tool with another, and may also be
used in a preliminary assessment of exposure.
Warning: The vibration emission value during actual use of the power tool can differ from the
declared value depending on the ways in which the tool is used dependant on the following examples
and other variations on how the tool is used:
How the tool is used and the materials being cut or drilled.
The tool being in good condition and well maintained
The use the correct accessory for the tool and ensuring it is sharp and in good condition.
The tightness of the grip on the handles and if any anti vibration accessories are used.
And the tool is being used as intended by its design and these instructions.
This tool may cause hand-arm vibration syndrome if its use is not adequately managed.
Warning: To be accurate, an estimation of exposure level in the actual conditions of use should also
take account of all parts of the operating cycle such as the times when the tool is switched off and
when it is running idle but not actually doing the job.This may significantly reduce the exposure level
over the total working period.
Helping to minimise your vibration exposure risk.
ALWAYS use sharp chisels, drills and blades
Maintain this tool in accordance with these instructions and keep well lubricated (where appropriate)
If the tool is to be used regularly then invest in anti vibration accessories.
Avoid using tools in temperatures of 10oC or less
Plan your work schedule to spread any high vibration tool use across a number of days.
ACCESSORIES
WU820 WU830
Spanner 1 1
Auxiliary handle 1 1
We recommend that you purchase your accessories from the same store that sold you the tool. Use
good quality accessories marked with a well-known brand name. Choose the type according to the
work you intend to undertake. Refer to the accessory packaging for further details. Store personnel can
assist you and offer advice.
8
SAFETY INSTRUCTIONS
FOR ALL OPERATIONS:
Safety Warnings Common for Grinding or
Abrasive Cutting-Off Operations:
a) This power tool is intended to function
as a grinder or cut-off tool. 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.
b) Operations such as sanding, wire brushing,
polishing are not recommended to be
performed with this power tool. Operations
for which the power tool was not designed
may create a hazard and cause personal injury.
c) Do not use accessories which are not
specifically designed and recommended
by the tool manufacturer. Just because the
accessory can be attached to your power tool,
it does not assure safe operation.
d) The rated speed of the accessory must
be at least equal to the maximum speed
marked on the power tool. Accessories
running faster than their rated speed can break
and fly apart.
e) The outside diameter and the thickness of
your accessory must be within the capacity
rating of your power tool. Incorrectly sized
accessories cannot be adequately guarded or
controlled.
f) Threaded mounting of accessories must
match the grinder spindle thread. For
accessories mounted by flanges, the arbour
hole of the accessory must fit the locating
diameter of the flange. Accessories with
arbour holes that do not match the mounting
hardware of the power tool will run out of
balance, vibrate excessively and may cause
loss of control.
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 wearIf power tool or accessory 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.
Damaged accessories will normally break
apart during this test time.
h) Wear personal protective equipment.
Depending on application, use face
shield, safety goggles or safety glasses.
As appropriate, wear dust mask, hearing
protectors, gloves and workshop apron
capable of stopping small abrasive or
workpiece fragments.The eye protection
must be capable of stopping flying debris
generated by various operations.The dust
mask or respirator must be capable of filtrating
particles generated by various operations.
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) Hold power tool by insulated gripping
surfaces only, when performing an operation
where the cutting accessory may contact
hidden wiring or its own cord. Cutting
accessory contacting a “live” wire may make
exposed metal parts of the power tool “live” and
could give the operator an electric shock.
k) Position the cord clear of the spinning
accessory. 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
accessory has come to a complete stop.
The spinning accessory may grab the surface
and pull the power 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.
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.
q) Your hand must hold on the handle when you
are working. Always use the auxiliary handles
supplied with the tool. Loss of control can
cause personal injury.
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Further safety instructions for all operations
Kickback and RelatedWarnings
Kickback is a sudden reaction to a pinched or
snagged rotating wheel, backing pad, 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
rotation at the point of the binding.
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 movement at the point of
pinching. 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 by taking proper precautions as
given below.
a) Maintain a firm grip on the power tool and
position your body and arm to allow you to
resist kickback forces. Always use auxiliary
handle, if provided, for maximum control
over kickback 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
accessory. Accessory may kickback over your
hand.
c) Do not position your body in the area where
power tool will move if kickback occurs.
Kickback will propel the tool in direction
opposite to the wheel’s movement at the
point of snagging.
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 loss of control.
Additional safety instructions for grinding and
cutting-off operations
Safety Warnings Specific for Grinding and
Abrasive Cutting-Off Operations:
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 centre depressed
wheels must be mounted below the plane of
the guard lip. An improperly mounted wheel
that projects through the plane of the guard lip
cannot be adequately protected.
c) The guard must be securely attached to the
power tool and positioned for maximum
safety, so the least amount of wheel is
exposed towards the operator.The guard
helps to protect operator from broken wheel
fragments and accidental contact with wheel
and sparks that could ignite clothing.
d) Wheels must be used only for recommended
applications. For example: do not grind with
the side of cut-off wheel. Abrasive cut-off
wheels are intended for peripheral grinding,
side forces applied to these wheels may cause
them to shatter.
e) Always use undamaged wheel flanges that
are of correct size and shape for your selected
wheel. Proper wheel flanges support the
wheel thus reducing the possibility of wheel
breakage. Flanges for cut-off wheels may be
different from grinding wheel flanges.
f) Do not use worn down wheels from larger
power tools. Wheel intended for larger power
tool is not suitable for the higher speed of a
smaller tool and may burst.
Additional safety instructions for cutting-off
operations
Additional Safety Warnings Specific for
Abrasive Cutting-Off Operations:
a) Do not “jam” the cut-off wheel or apply
excessive pressure. Do not attempt to make
an excessive depth of cut. Overstressing the
wheel increases the loading and susceptibility
to twisting or binding of the wheel in the
cut and the possibility of kickback or wheel
breakage.
b) Do not position your body in line with and
behind the rotating wheel. When the wheel,
at the point of operation, is moving away from
your body, the possible kickback may propel
the spinning wheel and the power tool directly
at you.
c) When wheel is binding or when interrupting
a cut for any reason, switch off the power
tool and hold the power tool motionless
until the wheel comes to a complete stop.
Never attempt to remove the cut-off wheel
10
from the cut while the wheel is in motion
otherwise kickback may occur. Investigate and
take corrective action to eliminate the cause of
wheel binding.
d) Do not restart the cutting operation in the
workpiece. Let the wheel reach full speed
and carefully reenter 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 wheel pinching and
kickback. Large workpieces tend to sag under
their own weight. Supports must be placed
under the workpiece near the line of cut and
near the edge of the workpiece on both sides
of the wheel.
f) Use extra caution when making a “pocket
cut” into existing walls or other blind areas.
The protruding wheel may cut gas or water
pipes, electrical wiring or objects that can
cause kickback.
SYMBOLS
To reduce the risk of injury, user
must read instruction manual
Warning
Double insulation
Wear ear protection
Wear eye protection
Wear dust mask
Before any work on the machine
itself, pull the mains plug from the
socket outlet
Wear protective gloves
Waste electrical products must not
be disposed of with
household waste. Please recycle
where facilities exist. Check with
your local authorities or retailer for
recycling advice
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