ROTHENBERGER Hand Roll Groover 1 - 12 - Manual (Page 16)

16 ESPAÑOL 16 ENGLISH
Problem Possible cause Solution
The groove is too narrow or too
wide The roller set does not correspond
to the tube diameter Replace the roller set for one which
corresponds to the tube diameter
The groove zigzags
The groove is not parallel to the surface
of the tube end The tube has not been cut square Cut the tube square
The groove diameter is not uniform
throughout the entire circumference
of the tube The tube is elliptic Use a circular tube
The tube slides or slips in the lathe
screw
The lathe screw fluting is blocked
by metal, worn or flat Clean or replace the lathe screw
Poor grooving force Tighten the guide screw
The groove diameter is not correct
The depth has not been regulated
properly Regulate the depth using the
gauges
The machine sways from side to
side in the lathe screw
The machine is not properly
positioned on the tube Reposition the machine in the tube
against the edge of the lathe screw
The tube has not been cut square Cut the tube square
Wrong manual feeding speed, too
slow Feed the upper roller inside the
tube more quickly
The machine does not knurl the
tube
The tube is too thick for the
machine's maximum capacity Check the machine's capacity table
Tube material too tough Check the machine's capacity table
TROUBLESHOOTING
mAINTENANCE
maintenance instructions
- The lubricator for the roller shaft must be lubricated once a month and each time the roller set is replaced.
- Add lubricating grease to the pin bearings prior to reassembling them.
- Lubricate the guide screw.
- Keep the upper rollers clean.
- Keep the guide screw clean.
Service and repairs
This grooving machine must be serviced and repaired by qualified technicians. If the machine does not operate
correctly the user must contact the manufacturer for repair.