That all makes sense. I have a hydraulic schematic from my IH manual. Since the hoe works better when I hit the swing lever, I was looking for any connection between the two systems. #1 is the connection at the oil reservoir. They both draw oil from it. The only other connection between the two systems is not explained, but it shows in the diagram. Keep in mind that there are two systems with their own pumps. System #1 is power steering and backhoe swing. System #2 is front loader and all backhoe functions except swing. Only anomolie I see is an extra line between the swing valve pack and the hoe valve pack. This connection is not explained in the IH book. I suspect it has something to do with all this. Eack valve pack has it's own "in" coming from the oil reservoir, and it's own "out" going back to the reservoir. But . . . the swing pack has an extra line that connects to the backhoe valve pack, for reasons unknown to me.
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Today's Featured Article - Restoration Story: 1951 Farmall H - by The Red (John Fritz). I have been a collector of Farmall tractors since 1990 when I first obtained part of the family farm in Eastern Indiana. My current collection includes a 1938 F20, 1945 H, 1946 H, and the recently purchased 1951 H. This article will focus on what I encountered and what I did to bring the 1951 NEAR DEATH Farmall H back to life.
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