918 Roll Groover
Ridge Tool Company
18
1
2
3
4
5
6
7
8
A
B
C
D
T
Nom.
Tubing Outside
Gasket
Groove
Groove
Nominal
1
Min.
Max.
Size
Diameter O.D.
Seal
Width
Dia.
Groove
Allow.
Allow.
Inches
A +.03
+.00
Depth
Wall
Flare
Basic
Tolerance
+.03
–.00
–.02
Thick.
Dia.
–.00
2
″
2.125
±0.002
0.610
0.300
2.029
0.048
0.064
2.220
2
1
/
2
″
2.625
±0.002
0.610
0.300
2.525
0.050
0.065
2.720
3
″
3.125
±0.002
0.610
0.300
3.025
0.050
0.045
3.220
4
″
4.125
±0.002
0.610
0.300
4.019
0.053
0.058
4.220
5
″
5.125
±0.002
0.610
0.300
5.019
0.053
0.072
5.220
6
″
6.125
±0.002
0.610
0.300
5.999
0.063
0.083
6.220
Table IV. Copper Roll Groove Specifications
1
Nominal groove depth is provided as a reference dimension. Do not use groove depth to determine groove acceptability.
Table III. Troubleshooting (cont.)
PROBLEM
CAUSE
CORRECTION
Pipe raises or tends to tip
groover over backwards.
Pump not delivering oil,
cylinder does not
advance.
Pump handle operates
with “spongy” action.
Cylinder extends only
partially.
Not level.
Pump release valve open.
Low oil in reservoir.
Dirt in pump body.
Seats worn or not seating.
Too much oil in reservoir.
Air trapped in system.
Too much oil in reservoir.
Pump reservoir is low on oil.
Depth adjustment set incorrectly.
Adjust stands to level pipe.
Close release valve.
Check oil level per instructions.
Have serviced by qualified technician.
Have serviced by qualified technician.
Check oil level per instructions.
Position ram lower than pump by tipping the
machine on its side opposite the operator. Extend
and return the cylinder piston several times to
permit air to return to the pump reservoir.
Check oil level per instructions.
Fill and bleed system.
Follow depth adjustment instructions.
www.
.com
1.800.561.8187
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