RIDGID 300 Installing Dies In Self-Opening Die Head Right Hand Only, Washer Index Line Head Link

300 Compact Pipe and Bolt Threading Machine

4.Clean up any oil spills or splatter on the ground surrounding the Threading Machine.

Installing Dies In Quick-Opening Die Head (Right and Left Hand)

The No. 811A Universal Die Head (Figure 11) for right hand threads requires four sets of dies to thread pipe ranging from 1/8″ through 2″ . One set of dies is required for each of the following pipe size ranges: (1/8″ ), (1/4″ and 3/8″ ), (1/2″ and 3/4″ ) and (1″ through 2″ ). Bolt threading requires a separate set of dies for each bolt size. No bolt dies are available for left hand universal die heads.

1.Lay die head on bench with numbers up.

2.Flip throwout lever to OPEN position.

3.Loosen clamp lever approximately three turns.

4.Lift tongue of clamp washer up and out of slot under size bar. Slide throwout lever all the way to end of slot in the change die direction indicated on cam plate.

5.Remove dies from die head.

6.Insert new dies to mark on side of dies. Numbers 1 through 4 on the dies must match numbers on the die head.

7.Slide throwout lever back so that tongue of clamp lever washer will drop in slot under size bar.

8.Adjust die head size bar until index line on link is aligned with proper size mark on size bar. For bolt threads, align underline with bolt line on size bar.

Washer

Index Line

	Head
Link
Throwout	Clamp Lever
Lever
	Size Bar

Figure 11 – Universal Quick-Opening Die Head

9. Tighten clamp lever.

10.If oversize or undersize threads are required, set the index line in direction of OVER or UNDER size mark on size bar.

Installing Dies In Self-Opening Die Head (Right Hand Only)

The No. 815A Self-Opening Die Head (Figure 12) for right hand threads requires four sets of dies to thread pipe ranging from 1/8″ through 2″ . One set of dies is required for each of the following pipe size ranges: (1/8″ ), (1/4″ and 3/8″ ), (1/2″ and 3/4″ ) and (1″ through 2″ ). Bolt threading requires a separate set of dies for each bolt size.

1.Place self-opening die head on bench in vertical position.

2.Make sure trigger assembly is released.

3.Loosen clamp lever approximately six full turns.

4.Pull lock screw out of slot under size bar so that roll pin in lock screw will bypass slot. Position size bar so that index line on lock screw is aligned with the end of REMOVE DIES position.

5.Lay head down with numbers up.

6.Remove dies from die head.

7.Insert new dies to mark on side of dies. Numbers 1 through 4 on the dies must match numbers on the die head.

8.Move throwout lever back to lock in dies.

9.With head in vertical position, rotate cam plate until roll pin on lock screw can be positioned in slot under size bar. In this position dies will lock in die head. Make sure roll pin points toward end of size bar marked REMOVE DIES.

10.Adjust die head size bar until index line on lock screw or link is aligned with proper size mark on size bar.

Ridge Tool Company 11