Rockwell Automation 20P PowerFlex DC Drive - Frame B SCR Modules - Manual (Page 11)

PowerFlex® DC Drive - Frame B SCR Modules 11
Step 5: Remove the
Existing SCR Modules 1. Remove the bus bars in order to access the SCR Modules in the drive:
– If removing the SCR Modules from a Regenerative drive, refer to
Remove the Bus Bars from a Regenerative Drive below.
– If removing the SCR Modules from a Non-Regenerative drive, refer
to Remove the Bus Bars from a Non-Regenerative Drive on page -14 .
Remove the Bus Bars from a Regenerative Drive
2. Remove the two screws or bolts and washers that secure the (red and
blue) wires from the AC Line Snubber board to the terminal bus bars (C
and D) and remove the wires.
3. Remove the three bolts and washers that secure the (black) wires from
the resistors to the terminal bus bars (U, V and W) and remove the
wires.
=
Regenerative Drive Remove bolts, washers and wires
Remove screws, washers and wires