Emerson Rosemount 700XA Reference Manual page 127

July 2020
4. If present, remove the clear cover from the card cage.
Figure 87: Card Cage
5. Unplug all the cards in the card cage but do not remove them.
6. Unscrew the three switch panel connector posts. Remove the washers as well.
7. Lift the card cage with the boards and remove it from the lower enclosure.
8. Unscrew and remove the post closest to the power supply.
9. Unplug the connector at the top of the power supply on the left.
10. Unplug the low voltage cable connected along the lower edge of the backplane.
11. Disconnect the ground lead from the power supply at the chassis ground immediately inside the lower enclosure opening.
12. Remove the nut just above the power supply. Twist the power supply free of the attaching stud and lift it from its cradle.
Remove the power supply carefully to avoid damage due to wire interferences.
13. Maneuver the new power supply into the cradle, ensuring that the wires are free to be connected.
Rosemount 700XA 127