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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