Emerson Rosemount CT4400 Reference Manual page 88

Troubleshooting and diagnostics
January 2020
14. Carefully swing open the hinged PCB tray to gain access to the analysis cell. The
15. Using an Allen key, remove and retain the six socket head cap screws and washers
16. It may be necessary to use a small flat blade screwdriver to lever the cell cover off.
88
second analysis cell fitted in a Full rack system was fully accessible once the outer
cover was removed.
Figure 7-20: Accessing the Analysis Cell
(D) used to secure the cell cover (C) on the analysis cell (B). Care MUST be taken to
ensure the O-Ring (A) does not get damaged.
With the cover removed, the mirrors are now exposed.
Reference Manual
00809-0100-4244
Rosemount CT4400