[kevin.li.rit]

Originally Posted by MrBasse

Also, if the manufacturer didn't want it adjusted, they would manufacture it in such a way that it couldn't be adjusted. I would venture to say the set screw is sealed with silicone to prevent it from loosening under vibration commonly associated with compressors, not to keep me from adjusting it.

The product catalog seems to disagree with that assertion as it seems to have purposely left out the set screw in the drawing for the SM switch but not the CJ/CM model. It also includes a adjustment knob and instructions.