Maintenance and Troubleshooting
Hardware Installation and Maintenance Manual B
–15
23. Remount the cell to the mounting brackets using a 9/64 in. Allen
wrench with the pressure sensor facing out towards the cabinet door.
24. Reconnect the cell inlet and cell outlet using a 9/16 in. wrench.
25. Reconnect the thermistor connector.
26. Connect the new pressure sensor harness and cable to the circular
connector.
27. Reconnect the optical cable harness.
28. Close the door to the SCS enclosure.
29. Conduct a leak test to determine that the new pressure sensor is not
leaking.
30. Turn the system power on. Refer to the Firmware Manual for this
analyzer for “Powering Up the Analyzer.”
31. Run a validation on the analyzer. Refer to the Firmware Manual for
instructions on “Validating the Analyzer.”
a. If the system passes, the pressure sensor replacement is
successful.
b. If the system does not pass, contact Service for instructions.
Refer to “Service Contact” on page B-31.
Toreplacethepressuresensorona0.8mor0.1mcell
Use the following instruction to replace a pressure sensor on a 0.8 m or
0.1 m measurement cell.
Tools and materials
All tools and materials listed in “To replace the pressure sensor on a 8 m
or 28 m cell” on page B-9 will be necessary to complete this instruction with
the exception of the following:
• Acetone-impenetrable gloves (North NOR CE412W Nitrile Chemsoft™
CE Cleanroom Gloves or equivalent)
Follow steps 1-10 listed under the section for replacing the pressure sensor on
the 8-m/28-m cell on “To replace the pressure sensor on a 8 m or 28 m
cell” on page B-9, then continue with the following steps:
Do not allow cell to exceed 10 PSIG or damage could occur.
Contact Service for any questions related to leak testing the
pressure sensor (refer to “Service Contact” on page B-31).
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