Table Iii Troubleshooting - RIDGID 916 Operator's Manual

Table III. Troubleshooting
PROBLEM
Roll Groove too narrow
or too wide.
Rolled Groove not per-
pendicular to pipe axis.
Pipe will not track while
grooving.
Pipe flared at grooved end.
Pipe drifts back and forth
on Driving Roll axis while
grooving.
Pipe rocks from side to
side on Driving Roll
while grooving.
Groover will not roll
groove in pipe.
Groover will not roll
groove to required
diameter.
Pipe slips on Driving Roll.
Groover will not rotate
pipe while grooving.
Pipe raises or tends to tip
Groover over backwards.
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916 Roll Groover
Incorrect size of Grooving and Driving Rolls.
Mismatched Grooving and Driving Rolls.
Grooving Roll and/or Driving Roll worn.
Pipe length not straight.
Pipe end not square with pipe axis.
Pipe not level.
Pipe axis not offset
Groover not level.
Pipe not level.
Pipe length not straight.
Pipe end not square with pipe axis.
Pipe stands too close to end of pipe.
Pipe end flattened or damaged.
Hard spots in pipe material or weld seams harder
than pipe.
Grooving Roll hand feed rate too slow.
Power Drive speed exceeds 36 RPM.
Pipe supports Stand Rollers not in correct loca-
tion for pipe size.
Maximum pipe wall thickness exceeded.
Wrong rolls.
Pipe material too hard.
Adjustment screw not set.
Power Drive does not supply required minimum
torque.
Maximum pipe diameter tolerance exceeded.
Mismatched Grooving and Driving Rolls.
Depth adjustment screw not set correctly.
Grooving Roll hand feed rate too slow.
Driving Roll knurling plugged with metal or worn flat.
Power Drive does not supply minimum required
torque.
Chuck not closed on drive shaft flats.
Pipe Support Stand too close to Groover.
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CAUSE
1 / degree from Driving Roll axis.
2
Ridge Tool Company
CORRECTION
Install correct size of Grooving and Driving Rolls.
Match Grooving and Driving Rolls.
Replace worn Roll.
Use straight pipe.
Cut pipe end square.
Adjust stand to level pipe.
Offset pipe 1 / degree.
2
Level Groover.
Adjust stand to level pipe.
Use straight pipe.
Cut pipe end square.
Move pipe stand in 1 / distance from end of pipe.
4
Cut off damaged pipe end.
Hand feed Grooving Roll into pipe faster.
Hand feed Grooving Roll into pipe faster.
Reduce speed to 36 RPM.
Position Pipe Stand Rollers for pipe size being
used.
Check pipe capacity chart.
Install correct rolls.
Replace pipe.
Set depth.
Use RIDGID No. 300, 36-RPM Power Drive.
Use correct diameter pipe.
Match Grooving and Driving Rolls.
Adjust depth setting.
Hand feed Grooving Roll into pipe faster.
Clean or replace Driving Roll.
Use RIDGID No. 300, 36 RPM Power Drive, 535
or 1822-I Machine.
Close chuck.
Move pipe stand 1 / distance in from outer end of
4
pipe.
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