Rockwell Automation 1503FR MV Controllers - Adjustment to Interlocking Mechanism - Manual (Page 9)

Product Description 2-3
1503FR-IN001B-EN-E – June 2013
Figure 2.3 – Interlock Cam
4) Manually move the top mounted interlock lever so
the top mounted contactor is in the closed position.
The gap between the interlock cam and the interlock
lever should be between .031” and .052”.
Note: Use a ¼” flat washer as required to space
interlock lever and cam to obtain a proper
clearance. (Figure 2.4)
5) Secure the 5/16” Adjustment Nut, shown in
figure 2-2, to maintain the distance range
established from the prior step.
6) Release the top mounted interlock lever so the
top mount contact is in the open position. The
gap between the interlock cam and the
interlock lever should be between. 031” and
.052”.
Figure 2.4 – Clearance Between Interlock Lever: Contactor Closed