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7. Question:
Can I change a 135° drill bit into a 118° drill bit?
Answer:
You can change the point angle of any drill bit from 135° to 118°
by using normal sharpening procedures, however drill bits per-
form best when sharpened at the angle they were manufactured
at.
Drill Doctor
®
Maintenance
After sharpening 20 to 25 drill bits, the drill bit grinding dust will
accumulate in the grinding compartment. Grinding particles will
promote wear in the Sharpening Port and Chuck, so cleaning on
a consistent basis can add life to your machine. Before any main-
tenance or cleaning is performed, be sure to disconnect your
Drill Doctor.
Removing the Wheel Access Cover
With the Drill Doctor unplugged, use your nail or the tip of your
nger to pull the Wheel Access Cover forward. It will come com-
pletely o for easy access. To close, insert the Cover in the slots
and snap it back into place.
Cleaning Your Drill Doctor
®
With the Drill Doctor unplugged, shake accumulated drill
bit grinding dust from behind the Wheel Access Cover into a
disposable container. Remove dust particles around the wheel
with a small, dry brush. Dispose of the container and drill bit dust
in a safe and environmentally approved manner. With a dry cloth
wipe the inside and outside of the Sharpening Port to remove any
grinding dust that may have accumulated. A standard 1” vacuum
hose works equally well.
Cleaning the Chuck
Unscrew the Knob from the body and clean both threads with a
soft brush or cotton swab. Re-assemble the Chuck and operate
the Knob through its travel to ensure it turns freely. When the
Knob is removed, be careful not to lose the small springs that
separate the Chuck Jaws.
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