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Dc/dc power supply (cont.) – Rockwell Automation 7000L PowerFlex 7000 Medium Voltage AC Drive C Frame - Marine User Manual

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4-86

Component Definition and Maintenance

7000L-UM302B-EN-P – June 2013

7000 ―C‖ Frame - Marine

Replacement Procedure for DC/DC Power Supply

(Refer to Figure 4.65)

1. With the drive energized, check that all output voltages are

present. (View 1)

2. De-energize the drive, isolate and lock out the control power, and

remove all wire connections from the unit. (View 1)

3. Remove quantity of (4) M6 (H.H.T.R.S.) that will allow the

DC/DC Power Supply Assembly to be removed from the Low
Voltage Panel. (View 1)

4. Remove quantity of (4) M4 (P.H.M.S.) and Nylon Shoulder

Washers from the back of the Mounting Plate. ( View 2)

5. Replace old DC/DC Power Supply with the new one.

NOTE: Make sure the Black Insulation is between the DC/DC
Power Supply and the Mounting Plate. Repeat Steps 4, 3, 2, 1
in this order to replace unit. (View 2)

6. Ensure the ground wire of P4 plug is connected to the ground by

M10 bolt

DC/DC Power Supply

(cont.)