Grizzly H8203 Owner's Manual page 17

— If you are using a standard drill bit, find the
closest metric size. For example, turn the
dial to "8" for a /
3
—If you are sharpening aircraft extension or
deep hole drill bits, select a number on the
dial that is double the drill bit diameter. For
example, set the calibration dial to "10" for
a 5mm aircraft extension drill bit.
5.
Fully insert the collet holder with the drill bit
into the calibrating device, so the holder and
device are flush and the pin fits into the collet
holder notch as shown in Figure 12.
Figure 12. Collet holder notch aligned with
adjusting device pin.
6.
Turn the collet holder clockwise until it stops,
push the bit forward as far as it will go into the
calibrating device, then turn the bit clockwise
until it stops, as shown in Figure 13 & 14.
Figure 13. Drill bit positioned in calibrating
device, top view.
H8203 Professional Drill Sharpening Machine
" drill bit.
8
Notch
Pin
Figure 14. Drill bit positioned in calibrating
device, side view.
7. Thread the locking ring fully onto the collet
holder, then remove the collet holder and drill
bit from the machine.
8.
Tug on the bit to verify that it is locked in the
collet.
—If the bit moves, use a smaller collet size
and repeat Steps 1-8.
9. The drill bit is properly calibrated when the
notch on the collet holder and the drill bit cut-
ting lip are parallel, as shown in Figure 15.
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Figure 15. Cutting edge parallel to collet holder
notch.
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