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Determining if Replacing the Diamond Grinding
Wheel Is Required
You can double the life of the Diamond Sharpening Wheel
by reversing it before you replace it. The Diamond
Sharpening
Wheel
supplied with the Drill Doctor is designed to give you
long and trouble free service, with an average of more than 200
sharpenings for 3/32” to 1/2” drill bits.
The Sharpening Wheel may need to be changed if:
1. Sharpened drill bits burn or turn blue no matter how fast or
slow you rotate the Chuck.
2. When touching the
Sharpening Wheel
(with the machine
unplugged), the
lower portion feels too
smooth (nonabrasive).
3. When sharpening the drill bit, it takes too many halfturns to
sharpen.
4. The tip of your drill bit has a shiny mirror nish.
Contact the store or dealer where you purchased the Drill Doc-
tor, or contact Drill Doctor directly, to purchase a replacement
Sharpening Wheel.
Chuck Jaws
Springs
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