Maintenance and Troubleshooting
Hardware Installation and Maintenance Manual B
–13
14. Check for any debris if you suspect debris has fallen into the
measurement cell. Refer to “Cleaning the Mirrors” on page B-3 to
check for debris.
15. Check for tape fragments inside the cell and remove with a swab as
shown in Figure B–8 below.
16. Remove the new pressure sensor from the packaging. Retain the
black connector cap on the sensor - do not remove.
17. Wrap stainless steel PTFE tape around the threads at the top of the
pressure sensor, beginning from the base of the threads to the top,
approximately three times taking care to avoid covering the top
opening. Refer to Figure B–9 below.
18. Holding the cell steady, insert the new pressure sensor into the
threaded opening. Refer to Figure B–10 on page B–14.
Figure B–8 Removing excess seal tape from inside cell
Figure B–9 Replacing seal tape
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