Rockwell Automation 7000A PowerFlex Medium Voltage Drive (A-Frame) - Classic Control - Manual (Page 332)

6-28 Component Definition and Maintenance
7000A-UM150F-EN-P –June 2013 7000 “A” Frame
I M P O R T A N T I M P O R T A N T Too much joint compound may result in
contamination of other surfaces leading to system
damage.
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 6.22 – SCR and SPGDB assembly