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14. Select the proper Communication/External Configuration upgrade kit label from the label
strip provided and adhere to the inside of the Field Wiring compartment End Cap.
15. Apply Parker Super O-ring Lubricant or equivalent to the end cap o-ring before installing the
end cap. Reinstall the End Cap and tighten the end cap locking screw.
16. Install external upgrade label (i.e. DEVICE MODIFIED.....) provided on outside of housing
as shown in Figure 23.
17. Restore power if removed.
18. Check the settings of the Transmitter Setup and Display Setup parameters to make sure that
the transmitter is configured correctly for your application. See the HART and DE User's
Manual (ST 800 #34-ST-25-38, ST 700 #34-ST-25-47) for details on HART and DE
transmitters. Refer to manual #34-ST-25-39 for additional information about Fieldbus
transmitters.
19. If applicable, verify External Button Configuration operation.
Ready to go.
5.5 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 24. Loosen the End Cap Lock, and unscrew the End Cap from the electronics
side of the Transmitter housing.
Revision 10
Figure 24 – Disassembly for Meter Body Replacement
ST 800 SmartLine Pressure Transmitters User's Manual
Page 65
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