Page 214 ST 700 SmartLine Pressure Transmitters User’s Manual Revision 13
14.5 Replacing the Meter Body
You can replace the complete meter body, including the process heads, or the meter body only on
certain Differential Pressure (DP), Gauge Pressure (GP), and Atmospheric Pressure (AP) transmitters
by using the existing process head(s). Use the following procedure for meter body-only replacement.
1. Save or record device configuration data.
2. Turn off transmitter power.
3. Remove the transmitter from service, and move it to a clean area before disassembling it.
4. Refer to Figure 64. Loosen the End Cap Lock, and unscrew the End Cap from the electronics
side of the transmitter housing.
Figure 64 – ST 700 Basic Transmitter - Disassembly for Meter Body
Replacement
Please take appropriate steps to avoid ESD damage when handling the communication
and display module assemblies
5. If a display is present, press the two snaps along the side, and remove it from the
communication module assembly.
Note: Do not discard or misplace the display/communication connector, it will be required to
reassemble the display module
6. Loosen the two retaining screws, and remove the communications module assembly, and
remove the communication module assembly from the electronics housing.
7. Disconnect the Sensor Cable from the communications Board.
8. Refer to Figure 66. Use a 2mm hex wrench to completely loosen the set screw on the outside
of the housing to permit rotating the meter body.
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