7.0 Accessories for Challenge Paper Drilling Machine
19
Figure 12
1. CAREFULLY place a hollow drill in the holder section as shown, and insert the holder (with
drill) into the sharpener end as shown. Be very careful to bring the drill and cutting tool
together with out bumping. The cutting tool is made of GLASS HARD material and may
be chipped.
2. USE CLOCKWISE ROTATION while maintaining an even pressure, until the hollow drill is
sharpened (usually two or three turns). The cutting tool seldom requires replacing, but when
it does become necessary, the bit can be ordered through your Challenge Dealer (Cat. No.
4952).
Challenge Hollow Drill Sharpener Part No. A-4950
Extra Cutting Bit Part No. 4952
7.6 Right Side Guide Kit
Cat. No. K-5731
This kit includes all of the parts and hardware necessary to add a right-hand sideguide to your
existing backguage. When used in conjunction with the left-hand sideguide, multiple hole patterns
can be drilled by shifting the stock from one sideguide to the other between drilling cycles. (See
Figure 13 on page 19.)
Figure 13
7.7 Auto-Trip Backgauge
Cat. No. A-4615-9
Figure 14
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