Changing Die Set; Installing No. 161 Geared Threader Using No. 840A Universal Drive Shaft; Threading Pipe Using No. 161 Geared Threader With No. 840A Universal Drive Shaft - RIDGID 1224 Operator's Manual

1224 Threading Machine
straight thread, or tapered slot inward for tapered
thread. Figure 10 shows guide post set to cut ta-
pered thread.
5. Engage guide block in slot and push guide post down
into position.
6. Replace guide post screw.
NOTE! Unit is now set to cut straight threads (NPSM or
BSPP) or tapered threads (NPT or BSPT).

Changing Die Set

1. Remove stop screw (Figure 26) from selector plate.
2. Pull cam plate knobs (Figure 25) and rotate cam
plate to CD mark on top of die head.
3. Remove worn die set and insert new die set.
NOTE! Be sure to replace complete die set and that die
numbers correspond with slot numbers.
4. Replace stop screw.
No. 840A
Drive Shaft
Centering
Head Device
Foot Switch
Figure 27 – Threading Pipe with No. 840A Universal
Drive Shaft and No. 161 Geared Threader
Operation Using No. 161
Geared Threader
Installing No. 161 Geared Threader
Using No. 840A Universal Drive Shaft
WARNING
Chain vise must be securely anchored with jack
screw assembly and post to ceiling or bolted to
floor. Failure to follow these instructions could
result in the vise tipping and causing serious injury.
No. 318 Oiler
No. 161
Geared Threader
Set
Screw (2)
No. 450 Tristand Chain Vise
Ridge Tool Company
When threading pipe up to 5 inches nominal, the 45
Tri-stand Vise can be used. However, when thread-
ing 6 inch nominal pipe, a BC-610, BC-810 Top
Screw Bench Chain Vise or a 460 Tri-stand Vise
must be used.
Use only the No. 840A Universal Drive Shaft.
1. Adjust threader being used.
The REV/OFF/FOR switch should be in
WARNING
the OFF position until geared threader is set up and
ready to thread.
2. Slide long hexagon end of the universal drive shaft
into rear centering device head and through to front
chuck of No. 1224 Machine.
3. Make certain that universal drive shaft is centered in
centering device head and front chuck jaws; tighten
securely.
4. Locate chain vise in line, on same level, and ap-
proximate length of universal drive shaft away from
centering head device.
5. Tightly secure pipe in No. 460 Tri-stand Chain Vise.
6. Support long piece of pipe with Pipe Support.
7. Using two persons, position workholder so that a
jaw is on top center and slide threader onto pipe.
Carefully center end of pipe in throat of dies.
8. Using socket wrench, tighten workholder clamp screw
securely.
9. Slip square socket of the No. 840A Universal Drive
Shaft over square end of threader drive shaft and
tighten two (2) set screws.
Do not use No. 840 Drive Shaft with this ma-
CAUTION
chine.
IMPORTANT: When properly positioned, sliding
shank of universal rive shaft should
be approximately centered to allow
movement in either direction.
10. Position No. 418 Oiler directly under threader.
Threading Pipe Using No. 161
Geared Threader with No. 840A
Universal Drive Shaft
(Figure 27)
1. Install geared threader and pipe.
2. Set shift knob at 36 RPM.
3. With REV/OFF/FOR switch in REV position, step on
foot switch.
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