DRILL DOCTOR 750X Mode D'emploi page 20

2.
Carbide Insert
Masonry
Sharpening Marks
3.
Cam Guide
4.
Cam
Guide
Inspect the bit and continue until the cutting surfaces are
sharp. If the bit stops grinding before the edges are sharp,
loosen the Chuck, push the bit out slightly. Make sure car-
bide insert is still aligned with Masonry Sharpening
Marks. Tighten the Chuck, and continue sharpening.
18
Align the bit with the Masonry
Sharpening Marks
Insert the bit into the Chuck and line
up the carbide insert on the tip of the
bit so that it is parallel to the Mason-
ry Sharpening Marks on the end of
Set the depth
Set the depth by lining up the
Sharpening Guide with the Cam
Guide. Push the Chuck into the
Sharpening Port until it stops and
Cam
tighten the Chuck. Remove the
Chuck to ensure the carbide insert
Cam
the chuck. Leave about
1/2"-5/8" of bit stick-
ing out past the nose of
the chuck. Tighten the
chuck just to the point
that the bit slides in
and out.
Sharpening Guide
Sharpen by "plunging"
Line up the Sharpening Guide
on the Chuck with the Cam
Guide on the machine. Plunge
the Chuck into the Sharpening
Port until it touches the Sharp-
ening Wheel. Remove the
Chuck, rotate one half-turn
clockwise and repeat the plunge
action. Start with four plunges
and always use an even number.
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is aligned with the
Masonry Sharpen-
ing Marks
tighten again.
and