Rockwell Automation 1503FR MV Controllers - Adjustment to Interlocking Mechanism - Manual (Page 10)

2-4 Produc t Description
1503FR-IN001B-EN-E – June 2013
Note: Use a ¼” flat washer as required to space
interlock lever and can to obtain a proper clearance.
(Figure 2.5)
7) Use two lock nuts to adjust the space clearance.
8) As a final test, apply 120 V control power to
the contactors and cycle the contactors (an
example: forward/reverse) to ensure the
mechanical interlock has been adjusted
properly and the 1503FR operates properly.
9) There maybe a number of trial and error
adjustments needed to ensure that all the
required dimensions are established.
Figure 2.5 – Clearance Between Cam and Lever: Contactor Open
Interlock Adjustment
(cont.)