Rockwell Automation PF700 PowerFlex 700 Drive Components Replacement - Frame 9 - Manual (Page 29)

Rockwell Automation Publication 20B-IN025B-EN-P - January 2011 29
Basic Component Removal Procedures Chapter 2
9. Remove all IGBT Snubber components:
a. Remove the six nuts that secure each set of Snubber Capacitors.
Remove the capacitors, and save nuts and capacitors.
b. Remove the two screws that secure each Tie Down Capacitor Mount.
Remove the Tie Down Capacitor Mounts and save screws and
Capacitor Mounts.
c. Remove the six setscrews from each IGBT and save.
d. If replacing an IGBT module, remove the nuts and DC- Flexible
Capacitor Busbars, and save nuts and busbars.
IMPORTANT The positive (DC+) Flexible Capacitor Busbars are connected to the
back side of the Transitional Busbar. The Transitional Busbar must be
removed before they can be accessed and removed.
Snubber
Capacitors
Snubber
Capacitor
Mount Nuts (6)
Tie Down
Capacitor
Mount
Screw
Tie Down
Capacitor
Mount
Screw
Nuts for
DC- Flexible
Capacitor
Busbars
Setscrews (6)