3.5.1 T-200 transducer assembly removal
This procedure is for removing a T-200 transducer assembly from a meter body.
Figure 3-13: T-200 transducer assembly installed in a meter body
Procedure
1. Blow the line down according to the site standard operating procedures.
2. Ensure that the line pressure is down to atmospheric pressure prior to disassembly.
3. Disconnect transducer cabling and chordset from the T-200 transducer stalk
assembly by turning the cable nut counter-clock wise (see Figure 3-13).
4. Disconnect the transducer cable nut. Pull the chordset from the transducer stalk
assembly. Do not twist the chordset as you disconnect it from the transducer
assembly.
5. If the transducer housing is planned to be serviced or replaced, loosen the
transducer retainer one quarter turn by turning the retainer counter-clock wise with
a 1-1/8" wrench. DO NOT remove the transducer retainer at this time.
6. Remove the four or six 3/8" cap screws holding the T-200 transducer assembly on
the meter body.
7. Carefully pull the T-200 transducer assembly out of port hole without damaging the
transducer housing.
8. Mark the port number, i.e. A1, ... D2, on the transducer stalk if not labeled already.
9. Place the T-200 transducer assembly in a safe place to avoid any damages to the
assembly.
Meter repairs Maintenance and Troubleshooting manual
June 2019 P/N 3-9000-769
72 Gas Ultrasonic Flow Meters
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