Maintaining & Troubleshooting
Hardware Installation and Maintenance Manual B
–13
22. Remount the cell to the mounting brackets using a 9-64” Allen
wrench with the pressure sensor facing forward.
23. Replace the foam insulation around the measurement cell.
24. Reinstall cell inlet and cell outlet using a 9/16” wrench.
25. Reconnect the thermistor.
26. Connect the new pressure sensor harness and cable to the circular
connector.
27. Reconnect the optical cable harness.
28. Turn the system power on. Refer to the Firmware Manual for this
analyzer for “Powering up the analyzer.”
29. Run a validation on the analyzer. Refer to the Firmware Manual for
instructions to “Start Validation.”
a. If the system passes, the pressure sensor replacement is
successful.
b. If the system does not pass, refer to “Service Contact” on
page B-22
for instruction.
Tounlock/settheflowmeter
The flow meter is adjusted to the proper setting at the factory before shipment.
Use the following procedure to re-set and lock the flow meter, if necessary.
Tools
• 1/16” Hex key wrench
• 0.050” Hey key wrench
1. Loosen the lock screw at the base of the handle using a 0.050” Hex
key wrench. Refer to Figure B–11
.
For any questions related to leak testing the pressure sensor,
refer to “Service Contact” on page B-22.
The flow meter is not designed for shut-off service.
Adjusting stop to a lower flow than the factory setting can damage
the valve and the stem tip. Refer to “Service Contact” on page
B-22 for service information before attempting adjustment.
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