Ray H. Good statement above. The next question is kinda ****** if you get my meaning, maybe this will get it through the fog.
![[Bang Head]](graemlins/banghead.gif)
THE ADB VALVE PREVENTS THE OIL ON THE DIRTY SIDE OF THE FILTER ELEMENT FROM DRAINING BACK INTO THE ENGINE.
![[Bang Head]](graemlins/banghead.gif)
NO MATTER WHAT ORIENTATION IT IS IN
![[Bang Head]](graemlins/banghead.gif)
IF THE OIL DRAINS BACK INTO THE FILTER, FROM ANY POINT AFTER THE FILTER THE ADB VALVE PREVENTS IT FROM BACKWASHING THE FILTER INTO THE SUMP.