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Operation of your
914, 916, 918
For your own safety, before using this equipment,
read these instructions and the accompanying safety
booklet carefully and completely. If you are uncertain
about any spect of using this equipment contact
your RIDGID Distributor.
Keep these instructions
Specifications
See RIDGID catalog
Transport and handling
Lift the machine using the hand holds provided.
Machine set-up
914
This machine is designed for roll grooving of pipe by hand.
We strongly recommend that it NOT be modified and/or used for any application other
than for which it was intended including use with any powered equipment.
916, 918
This machine is designed for roll grooving pipe using the specified RIDGID threading
machines, power drives and accessories. We strongly recommend that it NOT be
modified and/or used for any application other than for which it was intended including
the use of other power equipment. Place machine away from doors or passageways
and ensure that the total work area can be viewed from the operating position. Use
barriers to keep people away. Do not use machine in wet or humid conditions. Check
that machine voltage is the same as the power supply. Ensure machine footswitch
operates correctly and machine switch is in "0" position before connecting to power
supply. The footswitch allows full control of the machine which will only operate when
the pedal is depressed. For your safety ensure that the footswitch operates freely and
position it so that all controls can be easily reached.
General Roll Groover Safety
1. Keep hands away from grooving rolls. Fingers could get caught between
grooving and drive rolls.
2. Set up Groover on a flat, level surface. Be sure the machine, stand and Groover
are stable and will not tip over.
3. Be sure Groover is properly secured to the power drive. Carefully follow the set
up instructions.
4. The Roll Groover is designed for roll grooving pipe and tubing. Do not use for
any other purpose.
5. Properly support pipe with pipe stand.
6. Use recommended accessories. Use of other accessories may increase the risk
of injury. Refer to Operator's Manuals for recommended accessories.
7. Do not use if machine switches are broken.
Installing
914
916
Fig. 1.
Fig. 2 - 300
Fig. 3 - 535
Fig. 4 -1233
Operating the 914, 916, 918 Rollers Groovers
Pipe Preparation
1. Pipe ends must be cut square. Do not use cutting torch.
2. Pipe out-of-roundness must not exceed the total O.D. tolerance listed in groove
specifications. Table 1.
3. All internal or external weld beads, flash or seams must be ground flush at least
2 inches back from pipe end.
Note: Do not damage gasket seat area when grinding.
Pipe/Tubing Length
The following chart lists the minimum length of pipe or tubing to be
grooved and the maximum length to be grooved without pipe stands.
Important
918
Fig. 5 - 300
Fig. 6 - 1822
Fig. 7 - 1233
Fig. 8 - 1224
Groovable Pipe Lengths - Inches
Nom.
Min.
Max.
Size
Length
Length
1
8
1 1/4
8
11/2
8
2
8
2 1/2
8
3
8
3 1/2
8
Pipe Set-Up
1. Pipe or tubing longer than the specified maximum lengths listed in the chart
must be supported with 2 pipe stands. The pipe support should be located
3/4 of pipe length from roll groover.
2. Raise upper groove roll housing
914
Open groove roll from drive roll by turning depth adjustment screw. (Fig. 9)
916
Raise feed handle (Fig. 10)
918
Place pump release lever in "RETURN" position (toward operator) (Fig. 11).
3. Square pipe and pipe support to roll groover making sure pipe is flush against
drive roll flange (Fig. 12).
4. Level pipe by adjusting pipe stand (Fig. 13).
5. Slightly offset pipe and pipe stand (approx. 1/2° away from or toward operator as
directed below:
Note: If running machine in "FORWARD", offset pipe 1/2° away from operator
(Fig. 14).
Note: If running machine in "REVERSE", offset pipe 1/2° toward operator (Fig. 15).
Adjusting Roll Groove Depth
Note: Due to differing pipe characteristics, a test groove should always be made when
setting up or changing pipe sizes. The index depth adjustment knob must be reset for
each diameter of pipe/tube.
914
1. Tighten depth adjustment to fix groover on pipe. Do not overtighten.
2. Turn adjustment ring to give the correct depth for groove (see Table 1)
916
1. Lift feed handle
2. Fully loosen depth adjustment screw
3. Tighten depth adjustment screw as shown in Fig. 16
4. Back off depth adjustment knob as shown in chart.
918
1. Advance the upper groove roll by placing the pump release lever in "ADVANCE"
position (away from operator) and pump the handle until the upper roll contacts
the outside diameter of the pipe to be grooved.
2. Turn down the indexed depth adjustment knob (clockwise) until it stops against
the top of the machine (Fig. 17).
3. Back off the depth adjustment knob (Fig. 18).
Forming the Groove Roll
914
1. Rotate depth adjustment by approximately one revolution.
2. Move ratchet to rotation socket and turn to advance 914 around pipe.
3. Stop after one revolution and repeat steps 1 and 2 until depth stop is reached.
4. Check depth of groove and adjust depth stop as required. Further grooves with
the same pipe will be made to the same depth.
5. Loosen feed screw at least four or five turns to release pressure and pull the
quick release knob to open the 914.
6. Make sure feed screw block is returned to the top position ready for the next
grooving operation.
916, 918
1. Press on footswitch to start machine and apply a steady pressure to the feed
handle/hydraulic pump handle
2. Keep pressure on pipe with right hand to prevent pipe being fed out of the rolls.
Nom.
Min.
Size
Length
36
4
8
36
4 1/2
8
36
5
8
36
6 O.D.
8
36
6
8
36
8
8
36
10
8
12
8
Max.
Length
36
32
32
30
28
24
24
24
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