Rockwell Automation 20P PowerFlex DC Drive - Frame B Switching Power Supply Circuit Board - Manual (Page 7)

PowerFlex® DC Drive - Frame B Switching Power Supply Circuit Board 7
6. Remove the cable from connector XP in upper right corner of the Pulse
Transformer board.
Important: Provide support for the Switching Power Supply board as
you remove the screws from the Pulse Transformer board.
7. Remove the six screws that secure the stand-offs on the back of the
Switching Power Supply board to the Pulse Transformer board.
Disconnect cable
Remove screws
Remove screws