Drill Doctor 400 - Manual (Page 16)

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Questions and Answers
1. Question:
When I aligned the drill bit and sharpened it, why was no
material removed?
Answer:
This happens when the bit is not protruding out of the Chuck
far enough. You may have allowed the Alignment Button to
knock the drill back into the Chuck when aligning the bit.
Carefully realign the bit in the Alignment Hole again. Make sure
the drill is pushed all the way against the Drill Stop before you
release the Alignment Button.
2. Question:
I sharpened the bit. Why will it not cut?
Answer:
This happens when the heel on the bit is higher than the cutting
edge (negative relief). Realign the drill and resharpen in the
Sharpening Hole.
Maintain consistent inward light pressure during the half-turns
of the Chuck.
You may have a specialty drill bit. Slow and Fast Spiral, Helix,
Turbo Flutes, and Raised Margin drill bits are considered specialty
bits. To sharpen them, align them in the
Chuck as you do standard bits. Check the
position of the two Flats on the
Chuck and draw an imaginary line
from the middle of the flat up
through the drill bit (3/32" to 1/2").
When aligning, start with the Bit
Clamps on the narrow part of the
bit, then turn the bit clockwise to
approximately the 1:00 o’clock position. Hold the bit so it will
not move and tighten the Chuck. You may have to move the
drill bit clockwise in the Chuck more than once until it sharpens
correctly.
If the chisel edge moves too far to the right, realign the bit and
adjust again.
Heel
Flat Spot