Nos. 419 And 819 Nipple Chucks; No. 419 Nipple Chuck; Short Or Close Nipple Threading Procedure - RIDGID 1224 Operator's Manual

1224 Threading Machine
4. Flood dies with RIDGID Thread Cutting Oil using
RIDGID 418 Oiler during threading operation to as-
sure long die life. Release foot switch when red stop
line appears on pinion sleeve.
NOTE! RIDGID geared threaders are jam-proof de-
signed so that pinion shaft will automatically run
on pipe past a full thread length.
5. Turn REV/OFF/FOR switch to FOR (forward) position
to back geared threader off pipe.
NOTE! Do not loosen workholder until dies have been
disengaged from pipe.
Step on foot switch and reverse threader one or two
revolutions to free chips. Pull knobs and rotate cam
plate as far as it will go towards CD mark on head to
disengage dies. Back threader off until dies are free
of pipe.
6. Turn REV/OFF/FOR switch to OFF position.
7. Loosen two (2) set screws and remove universal
drive shaft from threader.
NOTE! Do not loosen workholder until dies have been
disengaged.
Loosen jaw clamp screw and turn workholder to
OPEN position. Remove threader.
8. Loosen chain vise and remove pipe.
9. Open centering device head to release No. 840A
Universal Drive Shaft.
NOTE! If, by accident, a RIDGID Geared Threader is
backed off too far and threaded barrel becomes
disengaged from workholder, the threader must
be put on a bench and the threads re-engaged
carefully by hand. Do not attempt this by power.
Nos. 419 & 819 Nipple Chucks

No. 419 Nipple Chuck

", 3" & 4"
Size Nipples: 2 1 /
2
Minimum Nipple Length: 3
Maximum Nipple Length: 7
Figure 28A – No. 419 Nipple Chuck Installed
20
"
1 /
4
"
1 /
2
Figure 28B – Inserting Unfinished Nipple into No. 419
Nipple Chuck
Figure 28C – Removing Finished Nipple from No. 419
Nipple Chuck
Short or Close Nipple Threading
Procedure
1. Grip pipe in machine chuck. Thread and ream one
end of pipe and cut nipple to desired length.
2. Select proper size nipple chuck.
3. Lightly grip nipple chuck in machine chuck. make
sure that jaws are in slots up against stops of chuck
body. (Figure 28A)
Alternate Method – Nipple can be screwed into nipple
chuck prior to placing in the machine.
4. Screw nipple, threaded on one end, into nipple chuck.
Make sure nipple is bottomed out in nipple chuck.
(Figure 28B)
Ridge Tool Company