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Hydra-Mac Hydrostatic Charge Oil Pressure Questions
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<blockquote data-quote="Tazza" data-source="post: 33489" data-attributes="member: 82"><p>The end of the pistons you have shoes, they should have a small hole in the end to lubricate the shoes where they contact the swash plate. Is this the area you are noting the bubbles?</p><p>Can you feel or see any wear on the valve plate surface that the rotating group runs on? If the valve plate isn't worn, the face of the rotating group could be worn then, causing leakage.</p><p>I have no idea if i'm thinking of the same parts as you are though. I was told the swash plate is the part that tilts back and forth to vairy the distance the pistons can move back and forth. The valve plate and wear plates are put together, this is where the rotating group rotates on to create a seal. Yours doen't have the wear plate, so ignore that part.</p><p>Most of the wear should be between the rotating group and valve/wear plate. The shoes only have a tiny hole for lubrication, i wouldn't worry about any leakage you have back there.</p></blockquote><p></p>
[QUOTE="Tazza, post: 33489, member: 82"] The end of the pistons you have shoes, they should have a small hole in the end to lubricate the shoes where they contact the swash plate. Is this the area you are noting the bubbles? Can you feel or see any wear on the valve plate surface that the rotating group runs on? If the valve plate isn't worn, the face of the rotating group could be worn then, causing leakage. I have no idea if i'm thinking of the same parts as you are though. I was told the swash plate is the part that tilts back and forth to vairy the distance the pistons can move back and forth. The valve plate and wear plates are put together, this is where the rotating group rotates on to create a seal. Yours doen't have the wear plate, so ignore that part. Most of the wear should be between the rotating group and valve/wear plate. The shoes only have a tiny hole for lubrication, i wouldn't worry about any leakage you have back there. [/QUOTE]
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Hydra-Mac Hydrostatic Charge Oil Pressure Questions
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