cjack posted:mlaughlinnyc posted:I assemble many O22 switches from parts. I always use WD-40 on the friction causing parts of the mechanism, but not on electrical contact surfaces. That reduces the voltage need from 18 or more to not more than 15.
Malcolm Laughlin
These switches require 18 vac or more?
18 Only when there is a lot of friction. after applying WD-40 and working the mechanism several times , most do well on 14, but better 15 to be sure of good operation.