Emerson Rosemount 3814 Maintenance And Troubleshooting Manual page 48

Meter maintenance
January 2023
Figure 3-9: Transducer disassembly
A. Transducer cable (P/N 1-504-90-129) (max. length 15 ft.)
B. Coupling nut
C. Transducer retainer
D. Transducer
E. Transducer housing locking ring
F. Transducer housing
Procedure
1. Before removing the transducer housing(s), slowly vent all line pressure on
2. Unscrew the coupling nut on the transducer cable to remove the cable from
3. Unscrew the locking ring bolt and slide the locking ring from the transducer
4. Use a pair of needle nose pliers to grab the indexing key of the transducer
5. Place a wrench on the hex of the transducer housing and slowly unscrew in
6. Any time a transducer housing is removed from the meter the O-rings must
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the meter to atmosphere pressure and drain the meter of fluid. Remove the
transducer(s) security seals.
the transducer retainer.
housing.
and pull the transducer from the housing.
a counterclockwise direction from the meter. If fluid begins to leak from the
meter and or you hear or see fluids leaking from the threads, immediately
stop and reinstall the housing as the meter has not been fully drained
and/or pressure has not been relieved from the meter. Correct the issue
before attempting to remove the housing again.
be replaced with new O-rings prior to reinstalling the housing in the meter.
Maintenance and Troubleshooting Manual
Emerson.com/Rosemount
00809-0100-3814