Rockwell Automation 20P PowerFlex DC Drive - Frame C Transient Noise Filter Circuit Board - Manual (Page 7)

PowerFlex® DC Drive - Frame C Transient Noise Filter Circuit Board 7
7. 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.
8. Remove the two screws that secure the top of the Transient Noise Filter
board to the drive and carefully lift the board up and away from the V
phase power terminal.
Remove cable
Remove screws