What I am talking about is , under the spring there is a valve. You need to take the snap ring out that holds the spring in housing and check that valve is making a leak proof seat in housing. The valve may be a fiber disc or a metal one. It will be obvious to the naked eye if seat is good or not. Also, make darn sure gasket matches base as there are at least three different configuration of gaskets that usually come in a gasket kit. I just looked at the online parts book on CaseIH and they showed only the pot metal type filter base for a 656 so I am 99 percent sure that is what you have. A worn oil pump will usually give you pretty good pressure when cold but a leaking or weak regulator valve will not. Another thing, you need to make sure correct spring is installed on regulator as the other spring is a filter bypass valve and much weaker. Known correct gauge also of course. If you haven't, take a look at the parts manuals available on CaseIh site, for model you need to put in C-263 as the engine manual is seperate from rest of tractor .
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Today's Featured Article - When Push Comes to Shove - by Dave Patterson. When I was a “kid” (still am to a deree) about two I guess, my parents couldn’t find me one day. They were horrified (we lived by the railroad), my mother thought the worst: "He’s been run over by a train, he’s gone forever!" Where did they find me? Perched up on the seat of the tractor. I’d probably plowed about 3000 acres (in my head anyway) by the time they found me. This is where my love for tractors started and has only gotten worse in my tender 50 yrs on this “green planet”. I’m par
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