Installing Dies In Self-Opening Die Head (R.h. Only); Checking Thread Length - RIDGID 300 Power Drive Manual

300 Power Drive
Installing Dies in No. 815A Self-Opening
Die Head (Right Hand Only)
NOTE! The No. 815 Self-Opening Die Head (Figure
13) for right hand threads requires four sets of
dies to thread pipe ranging from
One set of dies is required for each of the fol-
lowing pipe size ranges: (
") and (1" – 2"). Bolt threading requires a sep-
/
3
4
arate set of dies for each bolt size.
1. With machine unplugged, remove die head. Place
self-opening die head on bench in vertical position.
2. Make sure trigger assembly is released.
3. Loosen clamp lever approximately six turns.
4. Pull lock screw out of slot under size bar so that roll
pin in lock screw will by-pass slot. Position size bar so
that index line on lock screw is all the way to the
end of REMOVE DIES position.
5. Lay head down with numbers up.
6. Remove worn dies from die head.
7. Insert new dies to mark on side of dies. Die numbers
1 through 4 on the dies must agree with those on die
head.
8. Rotate cam plate lever back to lock dies in head.
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 links is aligned with proper size mark on size bar.
For bolt threads, align index line with BOLT line on
size bar.
11. Tighten clamp lever.
12. If oversize or undersize threads are required , set the
index line in direction of OVER or UNDER size mark
on size bar.
13. Replace die head in machine.
14
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" through 2".
1 /
8
"), ( " – "), ( " –
/ / / /
1 1 3 1
8 4 8 2
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Roll Pin
Index Line
Lock Screw
Throwout
Lever
Figure 13 – No. 815 Self-Opening Die Head

Checking Thread Length

1. Thread is cut to proper length when end of pipe is
flush with edge of dies (Figure 14A).
2. Die Head is adjustable to obtain proper thread diam-
eter. If possible, threads should be checked with a
thread ring gage (Figure 14B). A proper thread is
cut when end of pipe is plus or minus one turn of
being flush with face of ring gage.
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Size Bar
Clamp
Lever
Trigger
Assembly
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