The air bleed continues to leak after the spade handle is closed all the way. I tend to think an o-ring needs to be replaced, but I am unable to remove the spade handle. I turn it counter clockwise until it is all the way open then it just stops. I try pulling, but no luck getting it out. Don't want to break it. Any ideas how to remove this? I think there are some pins that lock it, but there is no indication it is pulled out far enough to even squeeze the pins together.