can you hear the relief valve squeal when steering is turned as far as it can go in either direction and holding it ,if not the pump is probably weak instead of the relief valve,one other thing if your tractor has the steering control valve mounted on the steering cylinder and operated by a control rod to steering shaft the pins and rod ends that operate the valve will wear to the point that the valve doesn't move enough to supply pressure to the cylinder, neither will the relief open if there worn bad enough,you will have armstrong steering only
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Today's Featured Article - What Oil Should I Use? - by Francis Robinson. I keep seein this question pop up over and over again in discussion groups all over the web. As with many things there are often several right answers and a few wrong ones. Some purist I'm sure will disagree to no end with what I will tell you but most of us out here in the real world don't really care do we ? Some of them only bring their noses down out of the air long enough to look down them anyway. If you are like me you are only doing this old tractor stuff because you enjoy it. You
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