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RGCOMBO2 Roll Groover
Machine Maintenance
1. Inspect groove roll and drive shaft. Replace worn rolls.
2. Lubricate with multi-purpose grease through the three grease
fittings (see Figure 1).
3. Keep Ratchet Wrench and Adjusting Screw knob dry and
clean. Keep free from oil and grease.
4. Follow all maintenance instructions provided with the
Power Drive.
Powered Grooving Instructions
Assembling the RGCOMBO2 Roll Groover
1. Screw the two Support Rods into the sides of the main body of
the Roll Groover (Figure 1). Tighten the support rods securely
with a pipe wrench.
2. The included Ratchet Wrench may be inserted into the Feed
Screw after set-up.
Installing the Power Drive
1. Remove carriage or other attachments from the power drive.
2. Fully open front chuck of power drive.
3. Set the RGCOMBO2 on the Power Drive with the RGCOMBO2
Support Rods resting on the Power Drive carriage rails.
Steady the RGCOMBO2 with one hand.
4. With the other hand rotate the RGCOMBO2 drive shaft to
align the flats with the jaws on the Power Drive chuck.
5. Tighten Power Drive chuck on the RGCOMBO2 drive shaft.
4
Pipe Preparation
1. Pipe ends must be cut square. Do not use cutting torch.
Note: When adjusting roll groover depth, the trial groove pipe
should not have a large burr protruding inward. Use a Reed
Model 2-71 Pipe Reamer for up to 2" pipe, or other suitable
tool to deburr trial groove pipe. After groove depth has been
set, deburring of pipe is not required.
2. Pipe out-of-roundness must not exceed the total O.D.
tolerance given in groove specifications, listed in Table 1.
Note: Determine out-of-roundness by measuring maximum
and minimum O.D. at 90° apart.
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 cut or grind flats on gasket seat area.
Pipe Length
The chart below lists the minimum length of pipe to be grooved
and the maximum length to be grooved without a pipe jack.
Groovable Pipe Lengths - Inches
Nominal
Minimum
Pipe Size
Length
1-1/4
1-1/2
2
2-1/2
3
3-1/2
4
4-1/2
5
6 O.D.
10
6
10
Pipe Set-Up
1. Pipe longer than the specified maximum lengths listed in the
above chart must be supported with a pipe jack. The pipe
jack should be located 3/4 of the pipe length from the roll
groover. Long lengths may require two jacks.
2. Raise the RGCOMBO2 Groove Roll by retracting the Feed
Screw. Install the pipe on the Drive Shaft and pipe jack.
3. Square the pipe and pipe jack to the roll groover making sure
the pipe is flush against the Roll Groover Cover Plate.
4. Level the pipe by adjusting the pipe jack height. Pipe axis
should be level with machine axis (Figure 2, page 8).
5. Square up the pipe tool.
Operator's Manual
Maximum Length
without pipe jack
8
36
8
36
8
36
8
36
8
36
8
36
8
36
8
32
8
32
30
28
0217-59200
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