Rockwell Automation 20P PowerFlex DC Drive - Frame B SCR Modules - Manual (Page 7)

PowerFlex® DC Drive - Frame B SCR Modules 7
7. Loosen the two captive screws at the top of the Control EMI shield and
lower the shield.
Important: If the drive is not in a vertical position, the Control EMI
shield will not remain open without a means of restraint.
8. Remove the two screws that secure the air flow plate to the top of the
Pulse Transformer board and lift the plate off the drive chassis. The air
flow plate cannot be completely removed due to the fuse connections at
FU1 and FV1.
Loosen screws
Remove screws
Fuse connections