Troubleshooting maintenance – ROTHENBERGER Hand Roll Groover 1 - 12 User Manual

Page 16

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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.

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