Clarke CBS16 Руководство по эксплуатации и техническому обслуживанию - Страница 6
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OPERATIONS
PROPERLY SHARPENED BITS
Your bit is properly sharpened when it has the following characteristics.
• A sharp point in the center of the bit.
• Two sharp and equal cutting edges
• Two trailing edges that are slightly lower than the cutting edges.
SHARPENING PROCEDURE
1. Place sharpener on a flat, sturdy surface and plug in.
2. Put a single drill bit (HSS only) into
the appropriate hole
3. Turn the unit on.
• Exert a slight downward
pressure onto the bit and rotate
the bit back and forth about 20
degrees while sharpening.
• The bit must be kept in motion
whilst in the machine.
4. Turn unit off after approximatley 5-10 seconds of sharpening.
• Examine bit according to the "Sharpening Hints" section below.
5. Ensure both sides of the drill bit are sharpened using the same amount of
time and pressure.
6. Repeat the above steps as necessary.
7. Do not run the machine for longer than 2 minutes at a time.
SHARPENING HINTS
• If the tip of bit starts to turn blue, it is overheating. Reduce the
amount of pressure and sharpening time. Cool the bit in water
between sharpening cycles.
• If one edge is longer than the other, sharpen the drill bit a little more.
• If you are sharpening a broken (rather than blunt) bit and the time
required to restore the shape is too long, rough the bit into shape first
using a bench grinder.
Parts & Service: 020 8988 7400 / E-mail: [email protected] or [email protected]
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