915 In Place Roll Groover
Troubleshooting
PROBLEM
Rolled Groove too nar-
row or too wide
Rolled Groove not per-
pendicular to pipe axis
915 will not track while
grooving
915 rocks from side to
side on Driving Roll
while grooving
915 Groover will not roll
groove pipe
915 Groover will not roll
groove to required
diameter
Pipe slips on Driving
Roll
CAUSE
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
Driving Roll knurl plugged or worn
Feed Screw not tight
Turning Ratchet wrong direction
Inside of pipe has too much scale
Pipe end flattened or damaged
Hard spots in pipe material or weld seams harder
than pipe
Grooving Roll feed rate too slow
Pipe wall maximum thickness exceeded
Wrong rolls
Pipe material too hard
Adjustment screw not set
Maximum pipe diameter tolerance exceeded
Mismatched Grooving and Driving Rolls
Depth adjustment screw not set correctly
Grooving force too low
Driving Roll knurling plugged with metal or worn
flat
Ridge Tool Company
SOLUTION
Install correct size of Grooving and Driving Rolls
Match Grooving and Driving Rolls
Replace worn Roll
Use straight pipe
Cut pipe end square
Clean or replace drive roll
Tighten feed screw with ratchet for every
revolution as per directions
Turn Ratchet in proper direction
Clean inside of pipe
Cut off damaged pipe end
Hand feed Grooving Roll into pipe faster
Hand feed Grooving Roll into pipe faster
Check pipe capacity chart
Install correct rolls
Replace pipe
Set depth
Use correct diameter pipe
Use correct set of Rolls
Adjust depth setting
Tighten feed screw
Clean or replace Driving Roll
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