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Precharge scr module snubber board - dc input only – Rockwell Automation 20B PowerFlex 700 Drive - Frame 7 Components Replacement User Manual

Page 56

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56

Rockwell Automation Publication 20B-IN017B-EN-P - September 2011

Chapter 3 Component Replacement Procedures

Precharge SCR Module
Snubber Board - DC Input
Only

Figure 5 - Precharge SCR Module Location

(DC Input Drive Shown)

Refer to the figures in

Component Diagrams and Torque Specs on page 13

and

Figure 5 -

above for these instructions.

Remove Components

1. Read and follow the

Safety Precautions on page 9

and

Important Initial

Steps on page 11

.

2. Locate the Precharge SCR module Snubber Board to be replaced.

3. Remove the upper and lower safety shields.

4. Perform

Remove Main Control Panel Assembly on page 21

.

5. Perform

Remove Stacking Panel on page 22

.

6. Remove the push-on lead from the Snubber Board.

7. Unscrew and remove the Snubber Board from its bus bar. Set aside.

Precharge SCR

Module and

Snubber