Rockwell Automation 7000A PowerFlex Medium Voltage AC Drive (A Frame) - ForGe Control - Manual (Page 87)

Rockwell Automation Publication 7000A-UM200C-EN-P - June 2014 87
Component Definition and Maintenance Chapter 3
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.
Figure 75 - PowerCage Gasket Location
Replacement of PowerCage Gaskets
The gaskets do not normally require replacement, but in the event that they
become damaged, they may require replacement.
Removal of old Gasket Material
Pull all the material possible off by hand. Scrape off as much material as possible
with a sharp knife. Do not score the PowerCage with the knife. All the material
will not come off ! Remove as much as possible to leave an even surface to bond
to. Clean away any loose pieces of gasket. Then proceed with installation of the
gasket.
Power Connection
Gasket
Resistors
Power Connection
PowerCage Housing