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Rockwell Automation Publication 1512A-UM101B-EN-P - December 2021
Chapter 5 Maintenance
Figure 47 - Isolation Switch Handle Mechanism Lubrication Points
5. Inspect the mounting hardware on the isolation switch operating lever
and contactor interlock rod (see
). Tighten any loose hardware.
6. If an infrared window is available, complete the following steps (during
normal equipment run mode):
a. Using a thermal camera, measure the temperature of the isolation
switch at least every 6 months.
a. Monitor every reading and record temperature variations.
Temperatures above 100 °C (212 °F) is cause for concern. See
Recommended Corrective Action on page 61
Contactor Interlock Rod
Lubrication Points
(at replacement only)
Interlock Lever
Clevis Pins and Cotter Pins
Threaded Connecting Rod
Isolation Switch
Operating Lever