Ok so it's my first post so hello to all! I have had my 3005(790) for 8 years now since new and my 300 loader has always worked flawless. I was using it today and it started not going down at all. It will raise the loader and curl and dump no problem. If I move the lever slowly it will lower but as soon as I go past half way it kicks out and dead heads the pump and won't go down. I even switched the hoses and it does the same thing lifting it then. I am guessing my issue is in the SCV if it does it in the op direction when switching hoses? What is inside the SCV that could make it kick off and not lower the arms?