This would be a simple fix let a spring hit the microswitch The spring would let you over tighten the cap and not break the microswitch.
And could easily be setup to insure you have tighten the cap

This would be a simple fix let a spring hit the microswitch The spring would let you over tighten the cap and not break the microswitch.
And could easily be setup to insure you have tighten the cap
