In addition to the procedure already mentioned above, a reliable zero point check
and, if required, adjustment for the different transmitted ultrasonic signals
should be carried out. For this purpose, Fluenta service personnel use a portable,
specially designed piece of equipment.
Different signals will also be analyzed by Fluenta personnel, using the Operator &
Service Console (O&SC) program. The O&SC displays important information of
how the system operates, and how to troubleshoot potential errors, as the
signals can be interpreted, compared and optimized if necessary.
Use is recommended of experienced and qualified Fluenta personnel once a year
to run a total system functionality check as this will decrease the possibility of
system malfunction and increase the system’s reliability.
5. TRANSDUCERS AND BALL VALVES
5.1 Applicable for Transducer Full Size (TFS)
The following should be checked every six months or after shutdown:
Make sure that all nuts and bolts between the transducer holder and the
ball valve and between the ball valve and the transducer unit are properly
tightened.
All flanges must be parallel.
Check that the ball valves are open (not in contact with the transducers).
Check that the nut (on fitting) at the end of the packing box is tight.
6. CABLES
Inspect transducer cables and the FGM 160 cables for damages. Make sure that
the cables do not have any sharp bends (minimum internal radius of bend is
8 x D) and ensure that there is no contact between the cables and sharp edges
that can cause damages. Interfering equipment in the surroundings must be kept
in a safe distance from the cables and the rest of the FGM 160 equipment.
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