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Rockwell Automation 20B PowerFlex 700 Drives - Frame 10 Components Replacement User Manual

Page 28

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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)