You should show only about 200 psi above what the regulated pressure is when you are not turning the steering wheel. That would be the differential pressure behind the flow divider valve added to the pressure of the regulated circuit. The reading you are getting down on the bottom plug is regulated pressure and should remain close to the same at all speeds. Sounds like you have a restriction but your steer to stop pressure sounds good. Steer to stop is controlled by power steering relief valve, regulated pressure is controlled by regulating valve and is the return oil from power steering so the steering pressure will always have to read regulated pressure plus the differential pressure build up behind flow divider.
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Today's Featured Article - Women and Tractors - Tractor Engine Repair - by Teri Burkholder. One of the great things about working on a tractor engine with your other half is that you know what he is thinking of at all times and can anticipate his every move and his next thought of what he will do. With Ben, anyway, I can tell! He'll be busy working and I’m handing him tools and he says, "give me that..." and I’ve already got it in his hand or "hand me that....."and I’ve got the portable light right where he needed it placed to see. "Run in the house and get me a...."as I open th
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