Emerson Rosemount CT5400, Installation, Operation And Maintenance Manual

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Removing the analysis cell Figure 7-37:
A. Analysis cell (in insulation)
B. M6 spring washer
C. M6 flat washer
D. M6 x 20 mm socket head cap screw
11. Inspect the replacement analysis cell for damage. If damaged, contact your local
Customer Care representative.
12. Refer to Figure 7-37 . Place the analysis cell (A) in position on the optical baseplate.
Dowels ensure that the location and alignment of the analysis cell is correct.
13. Secure the analysis cell by fitting the four M6 x 20 mm socket head cap screws (D)
and associated M6 spring washers (B) and M6 flat washers (C) that were retained
during the removal procedure.
14. Fit the thermal cut-out as described in Section 7.20 , steps 13 through 15.
15. Fit the gas temperature sensor as described in Section 7.18 , steps 11 through 13.
16. Refer to Figure 7-36 . Use your fingers to push the insulation (B) until the port for the
pipe (C) is exposed.
17. Fit the pipe to the port in the analysis cell and secure it with the tube fitting (A).
Apply a small quantity of Loctite 567 liquid PTFE compound to the threads of the
tube fitting before it is fitted. Secure the pipe by tightening the tube fitting
spanner
tight .
18. Fit the pressure sensor as described in Section 7.19 , steps 11 through 16.
Troubleshooting and diagnostics
Installation, Operations, and Maintenance Manual 123