5
Mechanical Hot Tapping Machine
Operator’s Manual
Pilot Bit assembled to 24” shaft using the Hole Saw Arbor.
Pilot Bit assembled to 18” shaft.
OPTIONAL operation for hot tapping black
iron, steel, cast iron, galvanized steel pipe
using Magnetic Coupon Retainer:
Follow instructions as given in either option above, replacing step
6 with the following:
6. Install standard drill bit #43507, align the flats on the bit with
the set screws and tighten. Arrange three or more magnets
near the top edge as shown in Figure 7. Use 1/4” diameter
magnets for 5/8”-7/8” diameter hole saws and 3/8” diam-
eter magnets for 1 1/8” to 1 3/4” diameter hole saws. Do
not use magnets on hole saws larger than 1 3/4” diameter.
Return to step 7.
Maintenance Instructions:
1. After each use:
A. Loosen the Gland Nut and remove the shaft.
B. Clean and Grease the shaft and bearing surface of the
Main
Body.
C. Store the shaft and main body in the provided case to
prevent
damage
2. Gland Repacking Instructions:
A. Disassemble the packing gland and slide the shaft
out of the Main Body.
B. Remove the old packing.
C. Replace the shaft in the Main Body with a gentle
twisting
motion.
D. Insert the new packing in a clockwise direction
using a small screwdriver to compress it into the
recess. Replace with Reed part 43511.
E. Replace the Brass Ring (93502).
F. Clean threads on Gland Nut and Main Body.
Dirt on threads can damage the Gland Nut.
G. Reinstall the Gland Nut. Handle tighten the Nut to
compress the packing.
NOTE:
The
slow speed setting
on
the drill motor is recommended to
prevent magnets from coming loose
and losing the coupon.
Do not use
magnets
on hole saws larger than
1 3/4”.
Figure 7
End of wire on coupon retaining bit
must extend past end of hole saw.
Tips:
• Use a new hole saw. Time saved with the new, sharp hole saw
will be worth the small cost.
• Use low RPM with larger diameter hole saws for less wear on
the hole saws as less heat is generated