Silverline 800W Angle Grinder 115mm - Manual (Page 8)

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7
115mm Angle Grinder 563709
Preparation
Warning: Always unplug the grinder from the mains supply before
attempting to fit or replace any attachment. Never fit any attachment with a
maximum speed lower than the no load speed of the machine.
• All discs and accessories must be subjected to a visual inspection prior
to installation, to ensure they are in good condition and within their expiry
date. If in doubt, DO NOT USE AND DISCARD
• Always check all parts and attachments are secure, and that rotating
parts will not foul on guards or machine case
• Always hold the machine, using both hands, by the handles provided
• Be aware that the cast metal gear housing may get hot during use
• Hot air will be emitted from the ventilation holes
• Ensure that the ventilation holes are not obscured in any way
• Always wear appropriate personal protective equipment for the task. Use
of this machine requires ear defenders, eye protection, gloves, breathing
protection, and if appropriate a hard hat
Fitting the auxiliary handle
WARNING: To ensure operator safety, ALWAYS use the auxiliary handle.
Install it at the most appropriate position for the individual task.
1. Screw the Auxiliary Handle (2) clockwise into one of the three
mounting points on the gear housing (Fig E). Tighten by hand
Note: The auxiliary handle can be mounted to the left or right side, or on top
of the gear housing.
2. To remove the handle, unscrew anti-clockwise
Changing guards
WARNING: The correct guard MUST be installed for each application before
operation commences. This is a legal requirement.
Note: The guard must be adjusted so that it is situated between the disc
and the operator. Reset the guard if the work angle or the position of the
operator changes. Seek professional guidance if you are unsure how to
operate the guards or any other safety features of the machine correctly.
Note: The machine is supplied with the grinding guard pre-installed
1. Remove the Threaded Flange (5), Disc (10) (if installed) and Spacer (6)
from the Spindle (4)
2. Using a Phillips screwdriver (not supplied), remove the three screws
that secure the guard flange to the gear housing, taking care not to
lose the spring washers located on each screw
3. Remove the guard flange and guard
4. Place the ridge of the alternative guard into the sliding-groove on the
gear housing that leads around the spindle and secures the guard in
place
5. Re-place the guard flange on top, and line up the three holes for the
Phillips screws previously removed
6. Insert the three Phillips screws with spring washers and tighten
loosely, to allow the guard orientation to be adjusted
7. Slide the guard into the desired position
8. Retighten the three screws of the guard flange
9. Re-install the required disc as outlined in ‘Fitting a grinding or cutting
disc’
Note: The guard can be moved through a range of approximately 90°, so
that it can be placed between the disc and the operator at any required
work angle.
Fitting a grinding or cutting disc
Note: Ensure you have the correct guard installed for the disc you plan to
install.
1. Ensure that the Spacer (6) is in place on the Spindle (4) and positively
engaged
2. Place the cutting or grinding disc onto the spacer
Note: If using depressed centre discs, ensure that the depression is
positioned towards the spacer.
3. Screw the Threaded Flange (5) onto the Spindle (4). The raised centre
of the threaded flange should face towards the disc when installing a
grinding disc, and away when installing a cutting disc
4. Depress the Spindle Lock Button (7) and rotate the spindle until you
feel the lock engage
5. You can now use the supplied Pin Spanner (8) to fully tighten the
threaded flange. When tight, release the spindle lock button. The
grinder is now ready for use (Fig B)
6. To remove a disc, depress the lock button, rotate the spindle until you
feel the lock engage, and use the pin spanner to remove the threaded
flange
Fitting a wire cup brush
Note: When using the angle grinder with wire cup brushes, the guards
become ineffective and should be removed.
1. Remove Threaded Flange (5), Disc (10) (if installed) and Spacer (6)
from the Spindle (4)
2. Screw cup brush directly onto spindle
3. Depress the spindle lock button and rotate the spindle until you feel
the lock engage
4. Tighten the cup brush with a suitable spanner. Release the lock button.
The machine is now ready for use (Fig C)
5. To remove a cup brush, depress the lock button, rotate the spindle
until you feel the lock engage, then use a suitable spanner to remove
the cup brush
Operating Instructions
Switching on/off
NOTE: Do not switch the machine on/off 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
• To start the machine, grip the main and Auxiliary Handle (2) firmly. The
safety catch that is located on the On/Off Switch (1) needs to slide
backwards to allow the switch to be depressed
• To stop the machine release the on/off switch
Grinding
• Only use discs specifically manufactured for grinding operations. Stone
and metal grinding discs are not interchangeable, use the correct disc
for your application
• When grinding or sanding, keep the tool at approximately 15 to 30° to
the workpiece surface (Fig 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.
• Only use discs specifically manufactured for cutting operations. Stone
and metal cutting discs are not interchangeable, use the correct disc for
your 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 shatter
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: 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 within approximately 25% of the original size.
Using a cup brush or wire wheel
• Always check that the maximum speed of the cup brush or wire wheel
does not exceed the no load speed of the grinder
• Ensure that no part of the cup brush or wire wheel can come into contact
with the machine housing
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