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Operation; Maintenance - GMC GMC1252G Bersetzung Der Originalbetriebsanleitung

Winkelschleifer
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Installing guard
1. Loosen the Quick-Release Clamp (11)
2. Align the protrusions on the wheel guard band with the notches on the gear housing (Image B)
3. Push the guard onto the gear housing and adjust position
4. Close the Quick-Release Clamp
Note: If the clamp is too loose or too tight, open completely and adjust the lever-tightening screw.
Fitting a grinding, cutting or flap disc
Note: Ensure you have the correct guard installed for the disc you plan to install.
1. Ensure that the Inner Flange (17) is in place on the Spindle (15) and positively engaged
2. Place the cutting or grinding disc onto the inner flange
GB
Note: If using depressed centre discs, ensure that the depression is positioned towards the inner flange.
3. Screw the Outer Flange (16) onto the Spindle (15). The raised centre of the Outer Flange should face
towards the disc when installing a grinding disc, and away when installing a cutting disc
4. Depress the Spindle Lock Button (13) and rotate the Spindle until you feel the lock engage
5. You can now use the supplied Pin Spanner (18) to fully tighten the Outer Flange. When tight, release the
Spindle Lock Button. The grinder is now ready for use
6. To remove a disc, depress the Spindle Lock Button, rotate the Spindle until you feel the lock engage, and
use the Pin Spanner to remove the Outer Flange
Fitting a wire cup brush
Note: When using the angle grinder with wire cup brushes, it may be beneficial to fit the grinding guard and
rotate beneath the Auxiliary Handle (8) purely for the benefit of protecting the operator's hand. This will depend
on the design of the wire cup brush and the operation being performed.
1. Remove Outer Flange (16), Disc (10) (if installed) and Inner Flange (17) from the Spindle (15)
2. Screw the wire cup brush directly onto Spindle
3. Depress the Spindle Lock Button (13) and rotate the Spindle until you feel the lock engage
4. Tighten the wire cup brush with a suitable spanner. Release the Spindle Lock Button. The machine is now
ready for use (Image C)
5. To remove a wire cup brush, depress the Spindle Lock Button, rotate the Spindle until you feel the lock
engage, then use a suitable spanner to remove the wire cup brush

Operation

WARNING: ALWAYS wear eye protection, adequate respiratory and hearing protection, as well as suitable
gloves, when working with this tool.
Switching on and off
WARNING: Switching off the angle grinder under load will significantly reduce the service life of the On/
Off Trigger Switch (7).
Note: Do not switch the machine on when the disc is in contact with the workpiece. Always allow the motor to
reach its full speed before applying load, and to stop completely before placing the grinder down. Always hold
the machine securely, using both hands, on the handles provided.
1. To start the machine, grip the Main Handle (6) and Auxiliary Handle (8) firmly
2. Press the Lock-Off Button (5) and squeeze the On/Off Trigger Switch (7)
3. Release the On/Off Trigger Switch to stop the machine
Grinding
Only use discs specifically manufactured for grinding operations. Stone and metal grinding discs are not
interchangeable; use the correct disc for the application
When grinding, keep the tool at approximately 15 to 30° to the workpiece surface (Image D)
Note: Do not apply too much pressure to the machine whilst grinding. Excessive pressure does not result in
more effective removal of material, but will in fact cause premature wear of the grinding disc and increase
wear and tear on the machine.
Cutting
WARNING: Always ensure that the correct guard for use with cutting discs or superabrasive wheels is
installed.
WARNING: Do not apply too much pressure to the machine whilst cutting. Excessive pressure does not result
in more effective or faster cutting, but will in fact cause premature wear of the cutting disc and increase wear
and tear on the machine.
Note: This machine is not designed for wet cutting.
Only use discs specifically manufactured for cutting operations. Stone and metal cutting discs are not
interchangeable; use the correct disc for the application
Never use cutting discs for grinding operations. The disc might shatter and produce projectiles that could
injure the operator and bystanders
When cutting, always keep the angle of the disc constant. Do not apply any sideways force to cutting
discs, as this might lead to the disc becoming jammed in the cut and shattering
Note: The cutting disc will wear during use, and the disc diameter will gradually reduce in size. The smaller
the disc becomes, the more strain will be placed on the motor. To avoid damage to the machine, only use
cutting discs that are at least 75% of the original size.
Using a wire cup brush or wire wheel
Warning: Loose bristles within the wire cup brush can become projectiles when in motion. ALWAYS wear
suitable eye protection, adequate respiratory and hearing protection, as well as suitable gloves, when working
with this tool.
Always check that the no-load speed of the grinder does not exceed the maximum speed of the wire cup
brush or wire wheel
Ensure that no part of the wire cup brush or wire wheel can come into contact with the machine housing
Run the grinder, with wire cup brush or wire wheel attached, for at least 30 seconds before use to check
that the wire cup brush or wire wheel is secure, and properly balanced
When using a wire cup brush or wire wheel, avoid applying excess pressure. Using greater force will not
make the wire cup brush or wire wheel more effective, but will bend the wires out of shape and damage
the brush
Accessories
A range of accessories (including grinding and cuttings discs) is available from your GMC dealer. Spare
parts can be purchased from your GMC dealer or online at www.toolsparesonline.com

Maintenance

WARNING: Always remove the plug from the mains power supply before carrying out any maintenance/
cleaning.
This tool is manufactured using class leading components and makes use of the latest in intelligent
circuitry that protects the tool and its components. In normal use it should provide a long working life
Inspect the supply cord of the tool, prior to each use, for damage or wear. Repairs should be carried out
by an authorised Triton service centre. This advice also applies to extension cords used with this tool
if the replacement of the supply cord is necessary, this has to be done by the manufacturer or his agent in
order to avoid a safety hazard.
Cleaning
Keep your machine clean at all times. Dirt and dust will cause internal parts to wear quickly, and shorten
the machine's service life. Clean the body of your machine with a soft brush or dry cloth. If available, use
clean, dry, compressed air to blow through the ventilation holes
Brushes
Over time the carbon brushes inside the motor may become worn
Excessively worn brushes may cause loss of power, intermittent failure, or visible sparking
To replace the brushes, remove the Easy Brush Access Covers (3) from both sides of the machine.
Remove the worn brushes and replace with new. Replace Easy Brush Access Covers
After replacing, check that the brushes can move freely in the brush holder and run the tool without load
for approximately 5 minutes before use
Alternatively, have the machine serviced at an authorised service centre
Note: Always replace carbon brushes in pairs.
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