300 Power Drive
4. 141 Geared Threaders (Figure 19) – Pull out support
bar on switch side and secure retaining ring against
Power Drive body with set screws.
161 Geared Threaders (Figure 20) – Insert No. 346
Support Arms into support bars and secure retaining
rings against Power Drive body with set screws.
5. 141 Geared Threaders (Figure 19) – Slip No. 758
Loop over support bar and secure to gear case loop
with set screw.
NOTE! Use No. E-3675 Adapter Bracket (Figure 19) in
place of No. 758 Loop on all 4P Threaders with-
out loop hole on gear case.
161 Geared Threader (Figure 20) – Remove set
screw (plug) from threader guide post and secure
support arms with bolt and washer.
6. Support pipe with a pipe support (Figure 21). Position
support approximately 2-
7. Insert pipe in threader and center end of pipe in
throat of dies. Tighten workholder with socket wrench
(Figure 18).
8. Tighten clamp screw securely with socket wrench.
"V" Shaped
Groove (3)
Drive Bar
Workholder
Figure 18 – Tightening Workholder on No. 141 Geared
Threader (No. 161 Threader Similar)
9. Position No. 418 Oiler directly under threader
(Figure 21).
1
/
feet from threader.
2
Socket
Wrench
Ridge Tool Company
Retaining Ring
Chuck
Assembly
Handwheel
Centering
Device
Collar Set
Screw
Figure 19 – No. 141 Geared Threader Close-Coupled to
Power Drive
Set Screw
Centering
Device
Retaining Ring
Assembly
No. 346
Support
Arm (2)
Figure 20 – No. 161 Geared Threader Close-Coupled to
Power Drive
Threading using Nos. 141 and 161 Geared
Threaders (Close-Coupled Method)
1. Install geared threader and pipe.
2. Turn Power Drive REV/OFF/FOR switch to FOR
(Forward) position.
3. Step on foot switch.
4. Flood dies with RIDGID Thread Cutting Oil during
threading operation to assure long die life.
Adapter
Bracket
No. 758
Loop
Set Screw
Support Bar
No. 141
Geared
Threader
Chuck
Handwheel
Drive Bar
Geared
Threader
Guide Post
Bolt & Washer
17