Emerson Rosemount CT5400, Installation, Operation And Maintenance Manual

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8. If necessary, disconnect the wiring harness (F) from the gas output line.
9. Inspect the gas output line for damage.
10. Refer to Figure 7-35 . If necessary, connect the wiring harness (F) to the gas output
line (H).
11. Use your fingers to push the analysis cell insulation (D) inwards until the port to the
gas output line is exposed. Fit the gas output line to the analysis cell port; then
secure and seal the joint with the tube adapter (E). Apply a small quantity of Loctite
567 liquid PTFE compound to the threads of the tube adapter before it is fitted.
Tighten the tube adapter
spanner tight.
NOTICE
The Swagelok recommendation for pipe fittings of this size is to tighten the nut finger
tight and then tighten an additional one and a quarter (1-1/4) turns with a spanner.
12. Fit the gas output line to the rear panel (G). Secure and seal the joint with the pipe
bulkhead (I). Tighten the pipe bulkhead spanner tight.
13. Fit the insulation (A) to the gas output line and secure it with two cable ties (B and
C).
14. Refit the top cover as described in Section 7.25 .
15. Reinstall the analyzer in the rack. This step requires two people to properly lift and
transport it to the rack.
16. Apply power to restart the analyzer.
7.23 Replacing the analysis cell
Complete the following steps to replace the analysis cell.
Observe all safety precautions before starting this procedure.
DANGER!
ELECTRIC SHOCK
The analyzer operates using mains voltage that is dangerous to life. Make sure that the power
ON/OFF switch at the rear of the panel is set to OFF and tagged off before removing the top
cover.
The analyzer must be earthed.
Death or personal injury may result if this is not observed.
To gain access to the electrical, pneumatic, and optical components, it is necessary to
remove the top cover.
Procedure
1. Power down the analyzer and allow it to cool.
Troubleshooting and diagnostics
Installation, Operations, and Maintenance Manual 121