RIDGID 1215 Manual page 10

1215 Threading Machine
10. 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.
11. Adjust die head size bar until index line on lock screw
of link is aligned with proper size marks on size bar.
12. Tighten clamp lever. For bolt threads, align index line
with bolt line on size bar.
13. If oversize or undersize threads are required, set the
index line in direction of OVER or UNDER size mark
on size bar.
Roll Pin
Index Line
Lock Screw
Throwout
Lever
Figure 9 – 815-A Self-Opening Die Head
Installing Dies In Model 816/817 Semi-
Automatic Die Heads
The 816/817 Semi-Automatic Die Head (Figure 10) for
right hand threads requires four sets of dies to thread
" through 1
pipe ranging from 1 /
8
quired for each of the following pipe size ranges: (
"), ( " and ") and (1" through 1
and 3 / 1 / 3 /
8 2 4
requires a separate set of dies for each bolt size.
10
Size Bar
Clamp
Lever
Trigger
Assembly
". One set of dies is re-
1 /
2
"), ( "
1 / 1 /
8 4
"). Bolt threading
1 /
2
1. Depress handle so that cam plate rests (Figure 10 –
Model 816/817 Semi-Automatic Die Head) against the
stop (as shown).
2. Lay the die head down flat on a table or bench with
the numbers facing up.
3. Pull up on the plunger knob and push the handle all
the way to the left.
4. Select the correct dies for the size desired. (Size
marked on the back or face of the dies.)
5. Numbers on the dies must correspond with those on
the die head slots. Insert dies to the line marked on the
dies – numbered edge up.
6. Rotate the handle back to the right so that the plunger
knob pops back down flush against the die head.
7. To set or adjust for desired size, loosen the screw for
the desired position block size, move the block to
the right to make it undersize and to the left to make it
oversized. When setting blocks for new dies start
with the position block on the middle mark and adjust
from there.
Handle
Plunger Knob
Figure 10 – 816/817 Semi-Automatic Die Head
Checking Thread Length
1. Thread is cut to proper length when end of pipe is
flush with edge of dies (Figure 11) .
2. Die Head is adjustable to obtain proper thread di-
ameter. If possible, threads should be checked with a
thread ring gage (Figure 11) . A proper thread is cut
when end of pipe is plus or minus one turn of being
flush with face of ring gage.
Size Block