I believe Rusty is correct in that the upper cylinder volume will supply extra fluid to assure full travel. I believe he is incorrect in indicating that the cylinders are working as designed. They are leaking, or oil would not get to the top of the cylinder as you describe. I also believe the best place to route the hoses back to the reservoir is in the drain plug at the bottom of the reservoir. A short pipe nipple, and a cross fitting at that spot will allow draining the system, as well as attaching two hoses for the return. As I noted, the problem for using the loader would be made to go away, but the piston seals in the cylinder are still leaking. Jim
Re: Farmall H hydraulics in reply to Janicholson, 11-03-2012 10:54:36
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The method I described for routing the hoses back to the reservoir was taken directly from the McCormick #31 owners manual. However, the part number given by the original poster is too new for a #31 loader, so it might just be that the loader he has is actually set-up for 2-way hydraulics, which his H does not have, and then installing those vent plugs in place of hoses IS correct, and yes, the cylinders need to be rebuilt.
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