Rockwell Automation 1512A MV Controllers, 400A One-High Cabinet, Standard and Arc-Resistant Enclosure - Manual (Page 64)

56 Rockwell Automation Publication 1512A-UM100F-EN-P - May 2013
Chapter 5 Maintenance
Figure 56 - Isolation Switch Linkage Assembly Angle Location
5. Loosen the lock nuts at each clevis (Note: one is a left-handed thread).
6. Adjust the isolation switch mechanical threaded linkage with a wrench
until the overall travel angle of the switch link is within the required
tolerance.
7. Hold the position of the threaded linkage and tighten the lock nuts.
Figure 57 - Isolation Switch Mechanical Threaded Linkage
Must have
tolerance of
0/+6º
Shaft Assembly
Red Glass
Polyester
Switch Link
Isolation Switch
Mechanical
Threaded Linkage