Emerson Rosemount CT5400, Installation, Operation And Maintenance Manual

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14. Use a spanner to tighten the sensor fitting.
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.
15. Reconnect the wiring harness and fit with cable ties.
16. Close the housing and secure with twenty M16 bolts.
17. Apply power to restart the analyzer.
7.20 Replacing the thermal cut-out
Complete the following steps to replace the thermal cut-out.
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.
2. Remove the analyzer from the rack and place it on a stable workbench. This step
requires two people to properly lift and transport it to the workbench.
3. Remove and retain the four screws attaching the top cover to the chassis.
4. Tag or otherwise identify all wiring harnesses before disconnecting.
5. Refer to Figure 7-31 . Open up the insulation around the analysis cell. Pull open the
two side flaps (B and D) and the two end flaps (C); then fold out the top insulation
(A).
Troubleshooting and diagnostics
114 Rosemount CT5400