ajhbike wrote:I just looked at the valve and I can't understand how it can be in a neutral position....the valve button gets pushed down part way or all the way but there is only the one valve button...no other valve to depress to counter the down stroke.
Jim Becker wrote:When you walk up to the tractor, the valve should be in the neutral position. Pushing the lever one way will push the valve down to move the cylinder one way. Pushing the lever the other way will pull the valve up to move the cylinder the other way. Let go of the lever and the valve should pop back to neutral.
Jim is absolutely right. To put it another way, the valve is a 3 position "spool" that is normally in neutral. When opened in either direction it will activate the cylinder one way or the other and return to neutral when the lever is released. As to whether it is an open or closed system I'm not sure. When adding external hydraulics to a Cub it is important (imperative) to allow the oil to return to the TC reservoir otherwise the pressure is dead headed, making that portion of it an open center system. I'm guessing here but I think the SC valve is routed similarly but done internally. Whichever it is makes no difference in the operation of the (dual action) cylinder