Rockwell Automation 20P PowerFlex DC Drive - Frame B Switching Power Supply Circuit Board - Manual (Page 8)

8 PowerFlex® DC Drive - Frame B Switching Power Supply Circuit Board
8. Remove the cables from connectors XV and XUV on the Switching
Power Supply board and slide the board out of the drive chassis.
9. Remove the six screws that secure the stand-offs to the back of the
Switching power Supply board and remove the stand-offs. Retain the
stand-offs for reuse.
Remove cable from XUV Remove cable from XV
Remove screws