Ega Master 56066 Manual De Instrucciones página 23

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PROBLEM
Pipe does not track
while grooving.
Pipe flared at groove end.
Pipe drifts back and forth
on driving roll axis while
grooving.
Groover does not roll groove in
pipe.
Pipe slips on driving roll.
CAUSE
Pipe not level.
Groover not level.
Pipe axis not offset 1/2 degree
from drive roll axis.
1/2 degree offset not sufficient.
Not applying pressure to pipe.
Excessive weld seam.
Pipe end not square.
Pipe not level.
Operator is advancing groove
roll too fast.
Pipe is too hard.
Pipe length not straight.
Pipe end not square with pipe
axis.
Hard spots in pipe material or
weld seams harder than
pipe.
Grooving roll feed rate too slow.
Pipe support stand rollers not in
correct location for pipe size.
Pipe wall maximum thickness
exceeded.
Wrong rolls.
Pipe material too hard.
Adjustment nut not set.
Driving roll knurling plugged
with metal or worn flat.
Grooving roll feed rate too slow.
CORRECTION
Adjust stand to level pipe.
Level groover.
Offset pipe 1/2 degree (See
Figs. 3 & 4).
Offset pipe slightly more.
Apply pressure to pipe.
Grind flush 2" from end of pipe.
Cut pipe end square.
Adjust stand to level pipe.
Slow down pumping action.
(Refer to proper operating
instructions.)
Replace pipe.
Use straight pipe.
Cut pipe end square.
Use high quality pipe of uniform
hardness.
Feed grooving roll into pipe
faster.
Position pipe stand rollers for
pipe size being used.
Check pipe capacity chart.
Install correct rolls.
Replace pipe.
Set depth.
Clean or replace driving roll.
Feed grooving roll into pipe
faster.
23

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