Rockwell Automation 7000A PowerFlex Medium Voltage AC Drive (A Frame) - ForGe Control (PanelView 550) - Manual (Page 143)

Component Definition and Maintenance 4-17
7000 “A” Frame 7000A-UM151D-EN-P – March 2013
7. Clean the heatsink with a soft cloth and rubbing alcohol.
8. While grounded, remove the SGCT from the anti-static bag it is
supplied in.
9. Apply a thin layer of Electrical Joint Compound (Alcoa EJC No. 2 or
approved equivalent) to the contact faces of the new SGCTs to be
installed. The recommended procedure is to apply the compound to
the pole faces using a small brush, and then gently wipe the pole face
with an industrial wipe so that a thin film remains. Examine the pole
face before proceeding to ensure that no brush bristles remain.
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.
10. Slide the SGCT into place until the mounting brackets contact the
surface of the heatsink.
11.
Tighten the captive screws located in the brackets.
12.
Follow procedure “Uniform Clamping Pressure” to ensure the
heatsinks are clamped to a uniform pressure.
13. Connect the power cable and fiber optic cables (ensure the bend
radius is not exceeded).