040-563
2018-10
Operating Manual
Model/Series:
Number:
GB
Version:
Rev. D
Page 14 of 16
©
DEUBLIN
for air and hydraulic
with elastomeric seals
Error
Potential causes
Elimination
Rotating union is
leaky after installation
Incorrect installation
1. Stop the machine.
2. Ensure that the connections are sealed ac-
cording to the manual “Installation”.
3. Ensure that all hoses are installed without
stress.
4. Ensure that all seal faces are clean.
5. Ensure that the anti-rotation element is
installed without stress.
Seal faces of the rotating
union are damaged
1. Pack rotating union.
2. Send rotating union to
DEUBLIN
for over-
haul/service.
Rotating union leaks
before the end of the
expected service life
Medium is contaminated
1. Stop the machine.
2. Drain medium.
3. Send rotating union to
DEUBLIN
for over-
haul/service, if required.
4. Flush the piping system of the machine.
5. Mount new filter.
6. Fill in new medium.
Rotating union is not de-
signed for the respective
application
1. Ensure that the correct
DEUBLIN
Rotating
Union is used.
2. Contact
DEUBLIN
if required.
Rotating union runs
untrue or wobbles
Thread and/or concen-
tricity outside the admis-
sible tolerance.
1. Stop the machine.
2. Remove rotating union.
3. Manufacture new thread or flange.
4. Mount the rotating union according to in-
stallation instructions.
Rotating union is mount-
ed incorrectly.
1. Stop the machine.
2. Remove rotating union.
3. Mount the rotating union according to in-
stallation instructions.
9.2
Pack Rotating Union for Transport
The rotating union has to be protected against mechanical impact and humidity during transport to
ensure that the rotating union will arrive at
DEUBLIN
without being damaged.
1. Dismount the rotating union in reverse order of the installation (see Installation).
2. Ensure that the rotating union is free from the respective media.
3. Use a cardboard box, which is suitable for the weight of the rotating union.
4. Cushion the base of the cardboard box with a soft material, e.g. air bubble film.
5. Wrap the rotating union with a soft material, e.g. air bubble film.
6. Ensure that no packing material or dirt can penetrate the opening of the rotating union.
7. Position the rotating union in the middle of the cardboard box.
8. Fill the free space around the rotating union with newspaper or another suitable material.
9. Close the cardboard box by means of tape.