Ac/dc power supply (cont.) – Rockwell Automation 7000 PowerFlex Medium Voltage AC Drive (B Frame) - Classic Control User Manual

Page 361

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Component Definition and Maintenance 6-71

7000 “B” Frame

7000-UM150I-EN-P – June 2013

AC/DC Power Supply (cont.)

Replacement procedure

1. Ensure 3-phase control power has been isolated and locked out.

2. Disconnect the terminals at the top of the unit.

3. Remove the two M6 bolts per Figure 6.53.

4. Extract the power supply complete with left-side mounting

bracket from the drive.

5. Remove the mounting bracket from the failed power supply

(four M4 screws). Retain the insulation sheet.

6. Attach mounting bracket to replacement power supply. Ensure

that the insulating sheet between the bracket and power supply is
installed.

7. Install new power supply in drive; install M6 bolts.

8. Re-connect terminals at the top of the unit.

9. Reapply control power and verify voltage levels.

Insulation Sheet

Power Supply

Mounting Bracket

M4 screw

Insulation Sheet

Power Supply

Mounting Bracket

Insulation Sheet

Power Supply

Mounting Bracket

M4 screw

Figure 6.53 – Replacement of AC/DC Power Supply

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