Operating Instructions Using 141Geared Threader (Closed Coupling Method); Adjusting No. 141 Geared Threader; Thread Size Adjustment Procedure; Changing Posts For Straight Or Tapered Threads - Emerson RIDGID 300 Compact Manual Del Usuario

300 Compact Pipe and Bolt Threading Machine
Figure 20 – Model 916 Roll Groover and Adapter
Bracket Mounted To 300 Compact
Operating Instructions
Using 141 Geared Threader
(Closed Coupling Method)
WARNING
Do not wear gloves or loose clothing when operat-
ing Threading Machine. Keep sleeves and jackets
buttoned. Do not reach across the machine or
geared threader.
Do not use this Threading Machine if the foot switch
is broken or missing. Always wear eye protection to
protect eyes from dirt and other foreign objects.
To prevent tipping, proper set-up of the Threading
Machine and Geared Threader is required. Follow
instructions carefully.
Only use 141 geared threader close coupled method
with a 300 Compact.
Geared Threaders weigh 95 to 160 pounds. Two (2)
persons should be used to lift these threaders.

Adjusting No. 141 Geared Threader

Cam Plate (Pipe Size) Adjustment Procedure
1. Place threader on floor or workbench with drive
shaft up.
2. Pull knobs (Figure 21) of cam plate and rotate cam
plate to desired pipe size marking on top of die head.
Release knobs when locating pins drop into hole in
selector plate.
Set Screws
Cam
Plate Knob
Figure 21 – No. 141 Geared Threader with No. 844 Drive

Thread Size Adjustment Procedure

Grasp workholder and turn square end of drive shaft or
turn gear case by hand to respective reference lines on
guide post (Figure 22).
Standard Size Thread - Either one of the following two
(2) reference lines may be used.
Reference Line 1: Set bottom surface of die head at
red STANDARD line on pinion sleeve.
Reference Line 2: Set upper surface of die head
which houses guide post even with STANDARD line
at top end of guide post.
Oversize Thread: For oversize (shallow thread) set head at
bottom line on guide post. This line is marked (2T OVER).
Undersize Thread: For undersize (deep thread) set head
at top line on guide post. This line is marked (2T UNDER).
Changing Posts For Straight
Or Tapered Threads
1. Adjust threader to cut standard size threads using
"STANDARD" reference line.
2. Remove screw from gear case at base of guide post.
Ridge Tool Company
Bar Installed
No. 844
Drive Bar
Drive Shaft
Cam
Plate Knob
Clamp
Screw
15