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Busbar assembly (converter assembly), Remove components – Rockwell Automation 20B PowerFlex 700 Drives - Frame 10 Components Replacement User Manual

Page 34

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34

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

Chapter 2

Basic Component Removal Procedures

Busbar Assembly

(Converter Assembly)

See

Chapter 1 - Component Diagrams and Torque Specifications

to locate

components in these instructions.

Remove Components

1. Read and follow the

Safety Precautions on page 11

and

Important Initial

Steps on page 12

.

2. Remove safety shields and enclosure covers as needed.
3. Remove the DC Choke cables from the DC+/DC- Busbars.

4. Label the wires and remove the screw that secures the three wires from the

Snubber Board DC1 screw terminal to the DC+ Busbar, and save.

5. Remove the three bolts, washers, and nuts that secure the Busbar to each

SCR Module, and save.

6. Remove the two set screw nuts that secure the busbar to the glastic

standoffs and save.

7. Remove the DC+ Busbar.

Wires from
Snubber Board
Screw Terminal
(DC1)

Set Screw
Nuts (2) for
Glastic Standoffs

Bolt, Washer
and Nut
(3 each)