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For the purpose of safety, when you don’t use the
machine temporally or on a long-term basis, raise
the Drill Motor and set it in position with the Set
Screw so that it will not come down on its own
weight. If you leave the machine alone with the
Drill Motor in a lowered position, the Pilot Pin and/
or cutter may be damaged when the machine is
relocated. (Fig.28)
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Grease the machine body and Slide Board from time
to time. (Fig.28)
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Excessive clearance between the machine body
and Slide Board would deteriorate not only drilling
performance but also cutting tool life to a substantial
degree. If you find excessive clearance, make
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screws on the side of the machine using the same
torque all round so that the Drill Motor will not come
down on its own weight. (Fig.28)
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Among other things, drilling accuracy hinges on the
Bracket that supports the Arbor Body. See that the
(three Hexagon Socket) Bracket mounting bolts are
tight, from time to time. (Fig.28)
Fig. 28
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When the tip of Pilot Pin gets dull, it sometimes fails
to seat into punched hole, causing drilling accuracy
to deteriorate. See that the tip is sharp from time to
time.
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When regrinding do so carefully, for grinding with too
much force may cause the tip to get dull or soften
the material to such a degree that it is no longer
usable. (Fig.29)
Pilot Pin
Sharpen
the tip
Optimal angle 70˚
Fig. 29
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When you change cutting tool you also change
Pilot Pin, which acts as a guide for the cutting tool.
However there are times when the pin does not
come off easy with cutting chips in the clearance
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In such case, tap the tip of Pilot Pin with a wooden
hammer, etc., and pull it off. (Fig.30)
