shanesteinbrecher
New User
I have a JD 50 2 cylinder that I have rebuilt the power steering pump on twice. Both times is blows the front seals out. I will get about 3 to 5 hours out of running it and then it just goes. No leaks or nothing prior to it just blowing out. The second time I put a pressure gauge in line. High idle it?s got a few hundred PSI when turn the wheels is goes up to about 500 psi. holding the wheels to one side it will get it up to about 1000-1200 max. When I rebuilt it I made sure the shaft relief hole for the front seals was open. Installed 2 seals same direction to keep the oil in the pump. On the back side 2 seals. I removed the spacer washer. When I took the pump a part I followed the book for all specs. Cleaned up the 2 surfaces and put a light coating of aviation gasket maker around the edge to help seal it up.
I?m restoring this tractor and the original power steering pump was missing. I purchased a used one with the external relief on the side. According to the book it looks like the relief parts have been updated.