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Operating Instructions
IMPORTANT: Before first use and after every 6 hours (approx.) of use, fill the gearbox
cavity with gearbox grease. A Pot of Grease (13) is supplied for initial use. See 'Gearbox
Maintenance' for application guidance
• Always check that there is sufficient grease in the gearbox cavity before using the drill
Operating the Chuck
Note: The SDS Plus system allows the bit to move slightly within the chuck when inserted
correctly. The SDS Plus drill or chisel bit does not lock in position like a conventional chuck.
• To fit a bit to the machine, first grease the tail end of the bit. The Pot of Grease (13)
supplied is suitable for this. Pull back the Chuck Protective Cover (2), and hold. Push and
rotate the bit into the SDS Plus Chuck (1), as far as it will go. Release the chuck cover
• The bit should now be locked into the machine. Check by pulling the bit. If the bit can be
removed, repeat the above procedure until the bit is held securely
• To remove a bit from the chuck, pull the chuck protective cover back and hold. The bit
can then be removed from the drill
Note: The Dust Guard (10) should be used by fitting to the drill or chisel bit to prevent
debris and dust entering the chuck. This is especially important when the drill is used at a
raised angle when working on walls or ceilings. For larger drill or chisel bits it may need to
be fitted before the bit is inserted in the chuck.
Selecting the required function
Hammer Selection
• The drill can be used in either hammer drill mode (for masonry work), or conventional
rotary drill mode (for wood, metal etc)
• To select hammer drilling mode, rotate the Hammer Selection Switch (6) to the left
• To select rotary drilling mode, rotate the hammer selection switch to the right
• Do not attempt to move the hammer selection switch whilst the drill is running
• Do not attempt to run the drill with the hammer selection switch in a mid position
Rotation Selection
• The drill can be used in either rotation mode (for drilling), or roto-stop mode (for
chiselling)
• To select rotation mode, twist the Rotation Selection Switch (3) to the left
• To select roto-stop mode, twist the rotation selection switch to the right
• Do not attempt to move the rotation selection switch whilst the drill is running
• Do not attempt to run the drill with the rotation selection switch in a mid position
Depth Stop
1. To fit the Depth Stop (11) , loosen the Auxiliary Handle (8) by turning the handle grip
anti-clockwise
2. Lift the auxiliary handle up to a horizontal position
3. Insert the depth stop into the Depth Stop Mounting (9) in the auxiliary handle
4. Rotate the handle grip clockwise to re-tighten which will secure the depth stop and
the auxiliary handle position
Auxiliary Handle
• The Auxiliary Handle (8) should always be used when drilling
• Always hold the drill firmly using both hands
• The auxiliary handle position can be adjusted to best suit the work to be performed
On/Off Trigger Switch
• To start the drill, squeeze the On/Off Trigger (5)
• To stop the drill, release the On/Off Trigger (5)
CAUTION: The drill is not designed to be permanently switched on and there is no lock-on
feature. Do not attempt to improvise such a feature.
WARNING: This is a single-speed drill without variable speed adjustment. Any drill bit or
core drill that states a maximum rotation speed of less than 800rpm must not be used.
Drilling Concrete
• Using hammer drill mode and rotation mode, apply pressure to the rear of the drill in
line with the drill bit
• For efficient drilling, it is advisable to use TCT (tungsten carbide tipped) drill bits. Ensure
that drill bit size is within the maximum capacity of the drill
Chiselling
• Using hammer drill mode and roto-stop mode, apply pressure to the rear of the drill in
line with the chisel
• Be aware that when chiselling, there is a high risk of chips, and other waste, being
ejected from the workpiece
Safety Clutch
In the event that a drill bit or core drill becomes locked in the workpiece while operating
and cannot rotate, or is forced to operate at a very low rotational speed, the safety clutch
will disengage the drive.
In this event quickly release the trigger which will help prevent injury and reduce wear on
the safety clutch mechanism.
After the safety clutch has activated, completely recheck all equipment is correctly set up
and the drill bit or core drill is not badly worn or damaged. It may be necessary to work at
a slower rate. In some instances you may find the drill is not suitable especially if using
large core drills.
WARNING: Do not rely on the safety clutch. Always configure your equipment for safe use
so that the safety clutch will not operate.
6
All manuals and user guides at all-guides.com
Drilling wood and metal
Note: A conventional 13mm (1/2") keyed chuck is available for this product. This is
available in the Silverline 13mm Chuck & SDS Plus Adaptor Kit, product code 292703
1. Screw the SDS plus arbor to the keyed chuck
2. Insert the chuck assembly into the SDS plus chuck
3. Insert a conventional drill bit for either wood or metal into the chuck and tighten the
chuck with the chuck key. See specification for maximum drilling capacity in wood
and metal
CAUTION: The keyed chuck is not for masonry bits and will be damaged if used in
hammer mode. Always use SDS Plus masonry bits fitted directly into the SDS Plus chuck
for masonry use.
Drilling Wood
• Use rotary drill mode only
• Ensure drill bits are suitable for wood, and are within the maximum capacity of this drill
Drilling Metal
• Use rotary drill mode only
• To ensure accuracy, mark the intended hole position using a hammer and centre punch
• Ensure drill bits are suitable for the grade of metal being drilled, and are within the
maximum capacity of the drill
• To ensure efficient cutting, and prolong drill bit life, use a suitable lubricant/cutting fluid
CAUTION: Applying excess pressure does not result in faster or more efficient drilling. If the
pressure applied to the drill has a noticeable effect on the speed of the drill then reduce the
pressure. Overloading the drill will reduce its service life.
• As the drill bit penetrates the material being drilled, it may 'catch' or 'snag'. This can
cause the machine to suddenly 'kick', to prevent any possibility of injury always hold the
drill securely, use the auxiliary handle, and use sharp drill bits
• Always ensure material is secure. If appropriate use a vice or clamp to hold the work,
always keep two hands on the drill
Maintenance
WARNING: Always remove the plug from the mains power supply before carrying out any
maintenance/cleaning.
Gearbox Maintenance
After every 6 hours of use (approx.), the gearbox must be regreased
1. Use the Gearbox Pin Spanner (13) to unscrew the Gearbox Cover (4)
2. Use a spatula or similar instrument to apply grease into the gearbox cavity
until it is full
3. Be careful not to scratch or damage the mechanism
4. Replace the Gearbox Cover (4)
NOTES:
• A Pot of Grease (13) is supplied for the first few regreases but additional grease will be
required. When purchasing additional grease, select a general purpose lithium-based
grease
• Do not over-tighten the gearbox cover or overfill the gearbox with grease
• If you run out of grease, or are not sure how to change the grease, take your product to
the nearest authorised service centre and ask a qualified person replace the grease
Cleaning
• Keep your machine clean at all times. Dirt and dust will cause internal parts to wear
quickly, shortening 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 Brush Access Cover (7) and the cover on the
opposite side. The worn brushes can then be withdrawn, and replaced with new.
Always replace worn brushes in pairs. Refit the brush access covers. Alternatively,
have the machine serviced at an authorised service centre
A range of accessories for this product are available from your Silverline dealer including
SDS plus drill and chisel bits. Carbon brushes are available from www.toolsparesonline.
com or your Silverline dealer.
Disposal
Always adhere to national regulations when disposing of power tools that are no longer
functional and are not viable for repair.
• Do not dispose of power tools, or other waste electrical and electronic equipment
(WEEE), with household waste
• Contact your local waste disposal authority for information on the correct way to
dispose of power tools
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