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

Page 29

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Rockwell Automation Publication 20B-IN026B-EN-P - July 2013

29

Basic Component Removal Procedures

Chapter 2

10. Cut tie wraps for the Balancing Resistor wiring.
11. Disconnect the yellow wire for the Balancing Resistor.

You do not need to disconnect the blue and black wires.

12. Label and disconnect all other wires attached to the Busbar.

13. Remove the six side standoffs and brackets (four upper and two lower) for

the Transitional Busbar assembly (see page

30

).

14. Remove the upper Capbus Support nuts and the lower Capbus Support

nuts fastening the Transitional Busbar assembly to the Bus Capacitors (see
page

30

).

IMPORTANT

The positive (DC+) Flexible Capacitor Busbars are connected to the back
side of the Transitional Busbar assembly. The Transitional Busbar assembly
must be removed before the DC+ Flexible Capacitor Busbars can be
accessed and removed.

Balancing Resistor

Balancing Resistor yellow wire

Disconnect here

Resistor wiring tie wraps