Quote Originally Posted by EricU View Post
I have seen that thing on the different trailer part websites as I need a cap for one of my trailers.

  • How does it work? I know you turn it! What is actually doing the lock out?
If you liok at the a60 in the attached link you will see a cutout above the reservoir. This lockout basically will slide into that cut out and freeze the unit


http://www.bakesonline.com/detail.aspx?ID=849