Die
W
Pipe
Starting to Cut Thread
A - Full Width Die Thread
Ring
Gage
Flush
One Turn Large
(Basic Size)
(Maximum Size)
B - Checking Threads Within Pipe Gauge
Figure 10 – Checking Thread Length
NOTE! If a ring gauge is not available, a fitting can be
used. This fitting should be representative of
those being used on the job. The pipe thread
should be cut to obtain 2 to 3 turns hand tight
engagement with fitting. If pipe thread is not
proper diameter the index line should be moved
in the direction of the OVER or UNDER size
mark on size bar. (Refer to "Installing Dies In Die
Heads").
916 Groover Adapter Bracket –
300 Compact
NOTE! Adapter bracket must be used to mount the
916 Roll Groover to the 300 Compact Threading
Machine.
NOTE! No. 250 Stand must be in the upright and locked
position prior to mounting the 916 Adapter
Bracket.
1. Place cutter, die head and reamer in UP position.
2. Position carriage as close to chuck hammer wheel
as possible.
3. 916 Groover Bracket should be facing such that
extension rails extend beyond front of machine. Note
that the retaining pin is attached to the operator side
of the 916 Groover Bracket.
4. Attach adapter bracket to 300 Compact by placing C-
shaped section of bracket on rear rail (opposite oper-
ator) and bringing operator side of bracket down
onto operator side rail. Center section of bracket will
cover 300 Compact front rail supports (Figure 11).
5. Insert retaining pin through holes, ensuring the pin is
securely engaged through both holes. Pin must be
properly inserted to lock bracket in place.
Die
Die Flush
W
With End
of Pipe
Pipe
Completed Thread
One Turn Small
(Minimum Size)
300 Compact Pipe and Bolt Threading Machine
Figure 11 – Locking PIn On 916 Roll Groover Adapter
Bracket
6. Attach 916 Groover to 916 Groover Adapter Bracket
extension rails as in Step 4 above (Figure 12).
7. Insert drive bar in chuck. Do not close chuck on
drive bar at this point.
8. Attach open end of drive bar to drive post on rear of
916 Groover, making sure set screws in drive bar
head are securely tightened onto the flats of 916
drive post.
9. Center drive bar in chuck and securely hammer the
jaws closed.
10. Turn machine control knob to desired position and
operate 916 Groover.
Read and understand the Operator's Manual from
the 916 Roll Groover before grooving pipe.
Figure 12 – Model 916 Roll Groover and Adapter
Bracket Mounted To 300 Compact
WARNING
11