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Cam Pin
Cam
Sharpening Guide
Cam
Pin
Cam
Set the Depth
Set the depth by lining up one of the
Sharpening Guides with the Cam Pin.
push the Chuck into the Sharpening
Port until it stops and tighten the
Chuck. Remove the Chuck to ensure
the insert is aligned
with the Masonry
Sharpening Marks
and tighten again.
Sharpen by “plunging”
Line up the Sharpening Guide (white
lines) on the Chuck with the Cam Pin
on the machine. Plunge the Chuck into
the Sharpening Port until it touches
the Sharpening Wheel. Remove the
Chuck, rotate one half-turn clockwise
and repeat. Inspect the bit and continue
until the cutting surfaces are sharp. If
the bit stops grinding before the edges
are sharp, reset the depth and sharpen
some more.
Using the Variable Alignment to Adjust the Chisel and
Relief Angles
Both models DD500X and DD750X enable you to adjust the
Chisel and Relief Angles of your drill bit. The Chisel and Relief
Angles have a direct effect on the performance of your drill. By
increasing the Relief Angle, you can increase the speed of the
drill in softer materials. To improve the quality of the hole, you
can adjust the drill to be less aggressive. A less-aggressive drill
has lower Chisel and Relief Angles. Your Drill Doctor enables
you to adjust both angles in one setting.
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