1224 Pipe and Bolt Threading Machine
NOTE! Carriage handwheel may be re-positioned to im-
prove leverage when starting dies. To re-position:
pull handwheel out (away from machine), rotate
handwheel to desired position, push handwheel in.
7. When desired length of thread has been reached,
depress release handle to disengage latch (Figure 16).
Die head will automatically open.
8. Release foot switch and turn REV/OFF/FOR switch to
OFF position.
9. Turn carriage handwheel clockwise to back die head
off.
10. Swing die head to UP position.
Installing Dies In Nos. 711 and 911 Die
Heads (R.H. Only) (
The Nos. 711 and 911 Die Heads (Figure 8) for right-
hand threads requires three sets of dies to thread pipe
" through 2". One set of dies is required for
ranging from
1
/
4
each of the following pipe size ranges: (
and (1" - 2"). Bolt threading requires a separate set of dies
for each bolt size.
1. Place Self-Opening Die Head flat on bench with num-
bers UP.
2. Make sure trigger assembly is released.
3. Loosen clamp lever.
4. Pull lock screw out of size bar slot so that roll pin in
lock screw will bypass slot. Position size bar so that
index line on lock screw is all the way to the end of
REMOVE DIES position.
5. Remove worn dies from die head.
6. Insert new dies to mark. Die numbers 1 through 4
must agree with those on die head.
7. Rotate cam plate until roll pin on lock screw can be po-
sitioned in slot. In this position dies will lock in die head.
Make sure roll pin points toward end of size bar
marked REMOVE DIES.
8. Adjust die head size bar until index line on lock
screw is aligned with proper size mark on size bar.
(For bolt threads, align index line with BOLT line
on size bar.)
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.
12
" Through 2")
1
/
4
" -
"), (
" -
1
/
3
/
1
/
4
8
2
Ridge Tool Company • Elyria, Ohio • U.S.A.
Installing Dies In 714 and 914 Self-Open-
ing Die Heads (2
(Figure 12)
1. Lay die head on bench with number pads up.
2. Loosen size adjusting nut and lift die head washer foot
out of slot.
3. Rotate cam in direction of larger pipe sizes until ad-
justing screw reaches end of slot.
4. Remove worn dies from die head.
5. Insert new dies into slots making sure number on
die agrees with number on die head.
6. Rotate cam to size setting desired.
7. Reinstall die head washer and tighten size adjusting
nut.
Installing Dies In No. 713 and 913
"),
Quick-Opening Die Heads (L.H. Only)
3
/
4
The Nos. 713 and 913 Die Heads (Figure 9) for left-hand
threads require three sets of dies to thread pipe ranging
" through 2". One set of dies is required for each
from
/
1
4
of the following pipe size ranges: (
(1" - 2").
1. Lay die head on bench with numbers face up.
2. Move throwout lever to OPEN position.
3. Loosen clamp lever approximately three turns.
4. Lift tongue of clamp lever washer up out of slot under
size bar. Slide throwout lever all the way to end of slot
in the OVER direction indicated on size bar.
5. Remove worn dies from die head.
6. Insert new dies to mark. Die numbers 1 through 4
must agree with those on 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 lock screw
or link is aligned with proper size mark on size bar.
(For bolt threads, align Index line with BOLT line
of size bar.)
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.
" Through 4")
1
/
2
" -
"), (
" -
1
/
3
/
1
/
4
8
2
") and
3
/
4