Rockwell Automation 20P PowerFlex DC Drive - Frame C AC Current Transducers - Manual (Page 7)

PowerFlex® DC Drive - Frame C AC Current Transducers 7
5. Loosen the two captive screws at the top of the Control EMI shield and
partially lower the shield. The shield will not open to its full extent due
to a cable connection between the Switching Power Supply board and
the Pulse Transformer board.
6. Disconnect the cable from connector XSW on the Switching Power
Supply board and lower the Control EMI shield until it rests on the
drive chassis.
Important: If the drive is not in a vertical position, the Control EMI
shield will not stay open without a means of restraint.
Loosen screws
Remove cable