Rockwell Automation 7000A PowerFlex Medium Voltage AC Drive - Air-Cooled (A Frame) - Manual (Page 267)

Component Definition and Maintenance 5-25
7000 “A” Frame 7000A-RM001A-EN-P – January 2011
6.
Install the new heatsink and hand-tighten the bolts.
7.
Replace the SGCT per the instructions on pages 5-21 to 5-23.
8. Follow procedure “Uniform Clamping Pressure” to ensure the
heatsinks are clamped to a uniform pressure.
PowerCage Gasket To ensure all air movement is through the slots of the heatsinks, all
possible air leaks have been sealed with a rubber gasket. This gasket is
placed between the surface of the PowerCage and heatsink module. It is
necessary to have the gasket in place to ensure proper cooling of the
SGCTs is maintained.
PowerCage housing
Resistors
Gasket
Power connection
Power connection
Figure 5.20 – PowerCage Gasket Location