The 40341 Kit is used to install a Tapping Attachment onto a 10914 & HMD914 spindle. These machines use
2 mounting styles. One style incorporates a set screw with an access window in the Brass Coolant Inducer
(see diagrams A1-A3). The other style uses a retaining ring around the base of the Brass Coolant Inducer
(see diagrams B1-B3).
Button Head
Cap Screw
End of the Spiral Ring.
Remove the 10-32 X 5/8”
Bracket Screw
5/16- 18 X 3/8
Arbor Body set-screw
10-32 X 5/8
Bracket Screw
3/8-24 X 3”
Front Support Bracket Bolts
3/8-24 X 3”
Front Support Bracket Bolts
A1
Locate and remove the 1/4-28 X 1/4 Button Head
Cap Screw from the Coolant Inducer with a 5/32 Hex
Wrench.
A2
Rotate the Arbor Body so the 5/16-18 X 3/8 set screw
inside, aligns with the hole in the Coolant inducer. In-
sert the 5/32 Hex Wrench and turn the inside set screw
1 full turn counterclock-wise or until loose.
A3
Locate and remove the 10-32 X 5/8” Bracket Screw
with a 5/32 Hex Wrench. Remove both 3/8-24 X 3”
Hex Bolts from the Front Support Bracket using a 9/16
wrench. Now the entire Arbor Body Assembly can be
removed.
Locate the end of the Spiral Retaining Ring under the
Brass Coolant Inducer, and with a pick, pull the end
down. Once started, pull the rest of the Retaining Ring
down the Arbor Body.
Remove the 10-32 X 5/8” Bracket Screw with a 5/32
Hex Wrench and slide the Brass Coolant Inducer down.
Turn the 5/16-18 X 3/8 Set Screw until loose and slide
the Arbor Body OFF the Motor Spindle.
Remove both 3/8-24 X 3” Hex Bolts from the Front
Support Bracket using a 9/16 wrench. Now the entire
Arbor Body Assembly can be removed.
Continued on next page
B1
B2
B3
TAPPING ATTACHMENT KIT 10937
For use on Hougen Drill Models 10914 & HMD914