00809-0100-
5-7
Figure 5-2 – Sensor Module Pin
Connections
PROCEDURE
Before removing the transmitter from service:
• Follow all plant safety rules and procedures.
• Isolate and vent the process from the transmitter before
removing the transmitter from service.
• Remove all electrical leads and conduit.
Residual process fluid may remain after disassembly of process
flanges. If this fluid is potentially contaminated, take appropriate
NOTE
Numbers in parentheses refer to item numbers in Figure 5-1.
3150 Series transmitters contain electronic circuit boards which may
be static sensitive. Therefore, observe proper ESD
precautions/techniques whenever the electronics assemblies are
handled and/or uncovered.
Special testing and part replacement are required for reassembly.
Read the Process Flange Reassembly Procedure section (see pg.
5-14) before attempting disassembly.
1. Remove the transmitter from service before disassembling
flanges.
2. Remove the two flange cap screws (13).
3. Detach process flange (10) by removing the four large bolts (11).
Take care not to scratch or puncture the isolating
diaphragms. Identify the orientation of flange with respect to
sensor module for reassembly.
4. Carefully remove the C-rings (9). Do not reuse C-rings. Take
care not to scratch the sealing surfaces on the process
flange and sensor module.
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