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Silverline DIY 95W Manuel D'instructions page 6

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  • FRANÇAIS, page 10
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• All replacement grinding wheels must be checked before installation. If a
wheel is damaged in any way, such as by being chipped, fractured, warped
or misshapen, DO NOT USE AND DISCARD. If you are unsure about whether a
grinding wheel is safe to operate, DO NOT USE AND DISCARD
• Always ensure that grinding wheels are suitable to use. Check the expiry date on
the label. Grinding wheels CANNOT SAFELY BE USED beyond their expiry date
• DO NOT allow grinding wheels to become wet or contaminated with oil. If you
suspect that a wheel has degraded in storage, or if you are unsure about whether
its expiry date has passed, DO NOT USE AND DISCARD
Product Familiarisation
On/Off Switch
1
Grinding Wheel Cover
2
Cover Screws
3
Drill Bit Guide Holes
4
Adjustment Knob
5
Tensioning Spring
6
Spindle
7
Grinding Wheel
8
Washer
9
10 Threaded Base
11 Securing Nut
Intended Use
Electric drill bit sharpener with concealed grinding wheel for sharpening HSS and
carbon steel twist drill bits.
Unpacking Your Tool
• Carefully unpack and inspect your new tool. Familiarise yourself with all its
features and functions
• Ensure that all parts of the tool are present and in good condition. If any parts
are missing or damaged, have such parts replaced before attempting to use
this tool
Before Use
WARNING: Ensure the tool is disconnected from the power supply before
attaching or changing any accessories, or making any adjustments.
WARNING: ALWAYS handle drill bits with care and avoid touching the cutting
edges. Burrs and sharp edges may cause deep skin cuts. Drill bits become hot
during sharpening, and can cause severe burns.
WARNING: This tool is suitable for sharpening twist drill bits ONLY. Masonry, lip
and spur, auger, flat and step drill bits and router cutters can NOT be sharpened
with this device.
• Place the sharpener on a sturdy, even surface and connect the plug to the
power supply
• Clean drill bits prior to sharpening, to remove dirt, grease and cutting fluids. Drill
bits must be completely dry
6
Adjusting the grinding wheel
Note: Depending on the drill bit you may need to adjust the height of the
Grinding Wheel (8).
1. Turn the Adjustment Knob (5) clockwise to raise the Grinding Wheel
• Raising the Grinding Wheel will lead to a more aggressive cutting action
• When sharpening short drill bits, it may be necessary to raise the grinding wheel
2. Turn the Adjustment Knob anticlockwise to lower the Grinding Wheel
• Lowering the Grinding Wheel will lead to a finer ground edge
• Fine grinding may take longer and can require additional repetitions
• When sharpening long drill bits, it may be necessary to lower the
Grinding Wheel
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: Always disconnect from the power supply after use
1. Connect the plug to the power supply
2. Toggle the On/Off Switch (1) to the 'I' position, to start the machine
3. Toggle the On/Off Switch to the 'O' position, to stop the machine
Drill bit sharpening
WARNING: The drill bit becomes very hot whilst sharpening: DO NOT touch the tip.
1. Match the size of the drill bit with one of the Drill Bit Guide Holes (4) in the
Grinding Wheel Cover (2)
2. Switch the machine on (see 'Switching on and off')
3. Insert the drill bit into the appropriate hole (Fig. A)
4. Exert slight downward pressure on to the drill bit, and move it back and forth by
about 20° for a duration of around 20 seconds
5. Remove the drill bit from the machine, and switch the device off
6. Examine the drill bit, to check whether it has become too hot during sharpening
(see 'Troubleshooting'). Consider adjusting the Grinding Wheel (8) height, if the
sharpening result is not satisfactory (see 'Adjusting the grinding wheel')
7. Repeat steps 1-6 to sharpen the other side of the bit. Use the same technique,
downward pressure and amount of time to achieve an even sharpening result
8. Examine the drill bit and ensure both cutting edges are evenly proportioned
and shaped, that the point is centred, and that the trailing edge is free of burrs
(Fig. B)
9. Repeat steps 1-8 as required
Note: If sharpening a broken off or very dull bit, use a bench grinder first to roughly
shape the drill bit.
Accessories
• A range of accessories and consumables, including replacement grinding
wheels, is available from your SILVERLINE stockist. Spare parts can be obtained
from toolsparesonline.com

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