Rockwell Automation 20B PowerFlex 700 Drives - Frame 10 Components Replacement - Manual (Page 28)

28 Rockwell Automation Publication 20B-IN026B-EN-P - July 2013
Chapter 2 Basic Component Removal Procedures
6. If present, remove all customer wiring to Transitional Busbar assembly.
7. Remove the DC Choke output cables.
8. Disconnect the DC+ and DC– cables from the Transitional Busbar
assembly.
9. Remove all IGBT Snubber components (3 sets):
a. Remove the six Snubber Capacitor mount nuts. Remove capacitors, and
save the 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 set screws from each IGBT and save.
d. If replacing an IGBT module, remove the nuts and DC- Flexible
Capacitor Busbars, and save nuts and busbars.
Snubber
Capacitors Snubber Capacitor
Mount Nuts (6)
Tie Down
Capacitor
Mount Screw
Tie Down
Capacitor
Mount Screw
Nuts for
DC- Flexible
Capacitor
Busbars
IGBT Set Screws
(6)