Rockwell Automation 20P PowerFlex DC Drive - Frame A SCR Modules for Drives with Bus Bars - Manual (Page 12)

12 PowerFlex® DC Drive - Frame A SCR Modules for Drives with Bus Bars
3. For regenerative drives only, remove the screws and washers that secure
the connecting bus bars to the anodes of the corresponding SCR
Modules and remove the bus bars. In addition, remove the U, V and W
phase terminal bus bars from the drive.
Important: The screws that secure these bus bars to the SCR Modules
are M5 x 16. Retain for reuse with these bus bars only.
Remove screws Remove screws
Connecting bus bars
U Phase bus bar V Phase bus bar W Phase bus bar