Emerson Rosemount 470XA Manual page 108

Gas chromatograph
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Replacing the Maintainable Module
June 2023
Tools required
Ensure that the power remains off, the various gases continue to be isolated external to
the analyzer, and the dome remains off.
Procedure
1. Uncap the Swagelok fittings.
2. Attach the dome to the housing and ensure that the tubing is attached correctly.
3. Connect the solenoid electrical connector to the male connector leading to the
4. Connect the male 18-pin signal connector to the connector on the IMB circuit board.
5. Connect the two-pin heater connectors.
6. Align the groove on the module base to the front of the analyzer and lower the
7. Turn the module 45 degrees.
8. Place the insulation cap over the heater cap.
9. Open the actuation gas isolation valve.
10. Using the pressure regulator, set the gas pressure to the factory specifications.
11. Tighten the three mounting screws on the module.
108
solenoids.
module down onto the guide pins on the spring-loaded feed-through.
MS-00809-0100-0470
A 5 mm hex or Allen wrench.
Two ¼-in. wrenches
One ⅜-in. wrench
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