Installing Nos. 141 And 161 Geared Threaders Using No. 840A Universal Drive Shaft - RIDGID 300 Only Manual De Instrucciones

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300 Power Drive
5. 141 and 161 – Release foot switch when red STOP
line appears on pinion sleeve (Figure 17).
NOTE! RIDGID Geared Threaders have a jam-proof
design so pinion shaft will automatically disen-
gage if threader is accidentally run on pipe past
a full thread length.
6. Turn REV/OFF/FOR switch to REV (Reverse) position.
Step on foot switch and back threader off of pipe.
Pinion
Sleeve
Knob (2)
Figure 21 – Threading Pipe with No. 141 Geared
Threader (Close-Coupled Method)
(No. 161 Threader Similar)
IMPORTANT! Allow approximately
grooves exposed in front of chuck jaws
(Figure 17) to allow space for oiling.
7. 141 and 161 – Using the socket wrench, loosen
clamp screw (Figure 16), turn workholder to OPEN
position and remove pipe.
18
Pressure
Ring
Workholder
Pipe
Geared Threader
No. 46 Pipe
Support
No.418
Oiler
Foot Switch
3
/
" of V-shaped
4
Ridge Tool Company
NOTE! Before threading next piece of pipe, run thread-
er head beyond STANDARD line on pinion
sleeve and then back to STANDARD line. This
movement takes up slack in gearing for imme-
diate response when cutting next thread.
8. Turn REV/OFF/FOR switch to OFF position.
IMPORTANT! If, by accident, a RIDGID Geared Threader
is backed off too far and threaded barrel
becomes disengaged from workholder, the
threader must be removed form the Power
Drive and put on a bench. Re-engage the
threads carefully by hand. Do not attempt
this by power.
Installing Nos. 141 and 161 Geared
Threaders Using No. 840A Universal Drive
Shaft
WARNING
When threading pipe larger than 2 inches, the
Power drive stand must be bolted to the floor.
Chain vise must be securely anchored with jacks
screw assembly and post to ceiling or bolted to
floor. Failure to follow these instructions could
result in the Vise or Power Drive tipping and caus-
ing serious injury.
When threading pipe up to 5 inches nominal, the
450 Tristand Vise can be used. However, when
threading 6 inch nominal pipe, a BC-610, BC-810
Top Screw Bench Chain Vise or a 460 Tristand
Vise must be used.
1. Adjust threader being used.
2. Slide long hexagon end of the universal drive shaft
into front chuck of Power Drive. Tighten chuck hand-
wheel and centering chuck.
3. Locate chain vise in line, on same level, and approx-
imately the length of universal drive shaft away
from Power Drive front chuck (Figure 22).
4. Tightly secure pipe in No. 450 or 460 Chain Vise.
5. Support long pieces of pipe with pipe support.
6. 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.

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