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Manual
MS-00809-0100-0470
6
Replacing the Maintainable Module
6.1
Remove the Maintainable Module
Tools required
•
2 mm hex or Allen wrench
•
4 mm hex or Allen wrench
•
Two flat head screwdrivers
•
Two ¼-in. wrenches
Procedure
1. Disconnect power from the gas chromatograph (GC).
2. Turn off the sample gas(es) at the isolation valve(s) in the external sample system
3. Turn off the calibration gas at the isolation valve closest to the GC.
4. Turn off the carrier and actuation gases at the isolation valve closest to the GC.
5. Use a 2 mm hex wrench to loosen the dome locking screw located on the left side of
Rosemount 470XA
closest to the GC.
the GC above the gas lines.
A. Dome locking screw
Replacing the Maintainable Module
June 2023
103
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