Rockwell Automation 7000 PowerFlex Medium Voltage AC Drive (B Frame) - Classic Control - Manual (Page 323)

Component Definition and Maintenance 6-33
7000 “B” Frame 7000-UM150I-EN-P – June 2013
12. While grounded, use a long Phillips screwdriver to remove the 2
screws that hold the SCR SPGD Board to the metal bracket on
the red glastic assembly. Retain the hardware.
13. Pull the 4 plastic clips that secure the SCR SPGD Board to the
glastic assembly. Retain the hardware.
14. Install the new SCR SPGD Board in the assembly with the 4 plastic
clips and use the screws to secure the board to the metal bracket.
15. Clean the heatsink with a soft cloth and rubbing alcohol.
16. Slide the SCR and SCRGD Board back into place until the
mounting bracket makes contact with the heatsink. Use the
Phillips screwdriver to tighten the assembly to the heatsink.
17. Reapply the clamping load as described in „Uniform Clamping
Pressure‟ above.
18. Connect the control power cable and the fiber optic cables,
ensuring that the bend radius is not exceeded.
Figure 6.23 – SCR and SPGDB assembly