GRAPHITE 59G220 Bedienungsanleitung Seite 12

After starting the grinder, wait until the grinding wheel reaches its
maximum speed before starting work. Do not use the switch to turn
the grinder on or off while working. The grinder switch may only be
operated when the power tool is away from the workpiece.
SPEED CONTROL
The speed control knob (11) is located at the rear upper part of the
grinder housing (Fig. L). The adjustment range is from 1 to 6. The
rotational speed can be changed according to the user's needs.
CUTTING
• Cutting with an angle grinder can only be performed in a straight
line.
• Do not cut material while holding it in your hand.
• Large workpieces should be supported and care should be taken
to ensure that the support points are close to the cutting line and
at the end of the material. Material that is securely positioned will
not tend to move during cutting.
• Small elements should be secured, e.g. in a vice, using clamps,
etc. The material should be secured so that the cutting point is
close to the securing element. This will ensure greater cutting
precision.
• Do not allow the cutting disc to vibrate or bounce, as this will
impair the quality of the cut and may cause the cutting disc to
break.
• Do not apply lateral pressure to the cutting disc during cutting.
• Use the correct cutting disc for the type of material being cut.
• When cutting material, it is recommended that the feed direction
be consistent with the direction of rotation of the cutting disc.
The cutting depth depends on the diameter of the blade (Fig. G).
• Only use discs with nominal diameters not exceeding those
recommended for the specific grinder model.
• When making deep cuts (e.g. profiles, building blocks, bricks,
etc.), do not allow the mounting flanges to come into contact with
the material being processed.
Cutting discs reach very high temperatures during operation –
do not touch them with exposed parts of your body before they
have cooled down.
GRINDING
For grinding work, you can use, for example, grinding discs, cup
wheels, flap discs, discs with abrasive fabric, wire brushes, flexible
discs for sandpaper, etc. Each type of disc and workpiece requires the
appropriate working technique and the use of appropriate personal
protective equipment.
Do not use discs intended for cutting for grinding.
Grinding discs are designed to remove material with the edge
of the disc.
• Do not grind with the side surface of the disc. The optimum
working angle for this type of disc is 30
• Grinding work may only be carried out using grinding discs
suitable for the type of material in question.
When working with flap discs, discs with abrasive non-woven fabric
and flexible discs for sandpaper, pay attention to the correct angle
of attack (Fig. I).
• Do not grind with the entire surface of the disc.
• These types of discs are used for machining flat surfaces.
Wire brushes are mainly intended for cleaning profiles and hard-
to-reach areas. They can be used to remove rust, paint coatings,
etc. from the surface of the material (Fig. K).
Only use tools with a permissible rotational speed that is higher
than or equal to the maximum speed of the angle grinder without
load.
OPERATION AND MAINTENANCE
Before performing any installation, adjustment, repair or
maintenance work, remove the power cord plug from the mains
socket.
MAINTENANCE AND STORAGE
• It is recommended to clean the device immediately after each
use.
• Do not use water or other liquids for cleaning.
o
(Fig. H).
12
• Clean the device with a dry cloth or blow it with low-pressure
compressed air.
• Do not use any cleaning agents or solvents as they may damage
plastic parts.
• Clean the ventilation slots in the motor housing regularly to
prevent the device from overheating.
• If the power cord is damaged, replace it with a cord of the same
specifications. This should be done by a qualified specialist or
by taking the device to a service centre.
• If excessive sparking occurs on the commutator, have the
condition of the motor carbon brushes checked by a qualified
person.
• Always store the device in a dry place out of the reach of
children.
REPLACEMENT OF CARBON BRUSHES
Worn (shorter than 5 mm), burnt or broken motor carbon brushes must
be replaced immediately. Always replace both carbon brushes at the
same time. • Unscrew and remove the carbon brush covers (8) (Fig.
E).
• Pull back the pressure spring, unclip and remove the worn
carbon brushes.
• Remove any carbon dust with compressed air.
• Install new carbon brushes (the brushes should slide freely into
the brush holders) and replace the pressure spring (Fig. F).
• Replace the carbon brush covers (8).
After replacing the carbon brushes, start the grinder without load and
wait 1-2 minutes for the carbon brushes to adjust to the motor
commutator. The replacement of carbon brushes should only be
performed by a qualified person using original parts.
Any faults should be repaired by an authorised manufacturer's
service centre.
TECHNICAL PARAMETERS
RATED DATA
PARAMETER
Supply voltage
Power supply frequency
Rated power
Rotational speed adjustment range
Max. blade diameter
Internal blade diameter
Spindle thread
Protection class
Weight
NOISE AND VIBRATION DATA
Sound pressure level
Sound power level
Acceleration value
Information on noise and vibration
The noise emitted by the device is described by: the emitted sound
pressure level Lp and the sound power level Lw
A
denotes measurement uncertainty). The vibrations emitted by the
device are described by the vibration acceleration value a
K denotes measurement uncertainty).
The following values given in this manual: sound pressure level Lp
, sound power level Lw and vibration acceleration value a
A
measured in accordance with EN 62841-1. The specified vibration
level a( can be used to compare devices and for a preliminary
h)
assessment of vibration exposure.
The vibration level given is representative only for the basic
applications of the device. If the device is used for other applications
or with other working tools, the vibration level may change.
Insufficient or infrequent maintenance of the device will result in a
higher vibration level. The reasons given above may increase
exposure to vibration during the entire working period.
To accurately estimate vibration exposure, periods when the
device is switched off or when it is switched on but not used
for work must be taken into account. After careful estimation
of all factors, the total vibration exposure may be significantly
lower.
VALUE
230 V AC
50 Hz
1200 W
-1
3000 - 11000 min
125 mm
22.2 mm
M14
II
3 kg
L = 100.1 dB(A)
PA
K=3dB(A)
L = 108.1 dB(A)
WA
K=3dB(A)
2
a = 13.716 m/s
h
2
K=1.5 m/s
(where K
A
(where
h
A
were
h