RIDGID 918 Manual Del Operador página 20

918 Roll Groover
Table III. Troubleshooting (cont.)
PROBLEM
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.
Table IV. Copper Roll Groove Specifications
1
Nom. Tubing Outside
Size Diameter O.D.
Inches
Basic
2" 2.125
"
2 1 / 2.625
2
3" 3.125
4" 4.125
5" 5.125
6" 6.125
1 Nominal groove depth is provided as a reference dimension. Do not use groove depth to determine groove acceptability.
18
CAUSE
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.
2 3
A
Gasket
Seal
A
Tolerance +.03
–.00
±0.002 0.610
±0.002 0.610
±0.002 0.610
±0.002 0.610
±0.002 0.610
±0.002 0.610
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.
4 5
B C
Groove Groove
Width Dia.
+.03 +.00
–.00 –.02
0.300 2.029
0.300 2.525
0.300 3.025
0.300 4.019
0.300 5.019
0.300 5.999
Ridge Tool Company
CORRECTION
6 7
D T
Nominal Min.
1
Groove Allow.
Depth Wall
Thick.
0.048 0.064
0.050 0.065
0.050 0.045
0.053 0.058
0.053 0.072
0.063 0.083
8
Max.
Allow.
Flare
Dia.
2.220
2.720
3.220
4.220
5.220
6.220