[kevin.li.rit]

Originally Posted by Andrew Schreiber

Is calibrating really modifying?

As you are well aware the inspection checklist explicitly requires this switch to be checked that it shuts off the compressor at the appropriate pressure. I see no harm in allowing teams to adjust these rather than forcing them to purchase new ones when a small adjustment will fix the issue. It seems wasteful.

I think that depends on the switch. As pointed out before, the old Nason pressure switch is not meant to be user set.