Power lock-out procedure (cont.) – Rockwell Automation 1503 OEM Starter Frame Components Installation Manual User Manual

Page 38

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3-4

Adjustments

1503-IN050E-EN-P – June 2013

Figure 3.4 – Contactor Voltage Checkpoints

7) Use the Door Interlock Circumvention procedure described on page 3-1.

to move the isolation switch handle to the ON position.

8) Check the isolation switch blades with a hot stick or appropriate volt-

age measuring device to verify that they are voltage free (see Figure

3.5).

Figure 3.5 – Isolation Switch Voltage Check Points

9) Once all power circuits are verifi ed to be voltage free, move the isola-

tion switch handle back to the OFF position. The unit is now safe to

service.

Power Lock-out Procedure

(cont.)

Check load-side power here

Check line-side power here

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