Emerson Rosemount CT5100, Reference Manual

Page: 147 / 179

4. Disconnect the wiring harness (H).
5. Remove and retain the four screws (B) nuts (G), plain washers (D) and spring
washers (F).
6. Remove and discard the unserviceable detector module (C).
7. Inspect the new detector module for damage.
8. Fit the new detector module in position on the detector bracket (E). Secure the
detector module with the four screws, nuts and washers retained in Step 5 (B, D, F &
G).
9. Connect the wiring harness (H) to the detector module (C).
10. Connect the trigger OUT harness (A) to the detector module (C).
11. Close the door of the electrical compartment and restart the analyzer.
12.15 Replacing the O
2
detector
The O
2
detector is located on the underside of the optical compartment base plate. First
determine which detector type is fitted: 1 or 2. Replace the O
2
detector identified using
the following steps.
12.15.1 Replacing O
2
detector (type 1)
Procedure
1. Shut down the analyzer. Refer to Shutdown procedure .
2. Open the door of the electrical compartment.
3. Disconnect the Bayonet Neill–Concelman (BNC) cable and the Power cable from the
O
2
detector (D).
Refer to Figure 12-12 .
Reference Manual Repair and replacement
00809-0100-4512 October 2019
Reference Manual 147