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General Bobcat Skidsteer Forum
bobcat 853 hydrostatic pump leaks heavy between right and left side
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<blockquote data-quote="wateka" data-source="post: 131760" data-attributes="member: 21519"><p>Having just rebuilt my pump, I learned that splitting the pump was the easy part. Getting it out and removed from the engine was much more labor intensive.</p><p></p><p>My guess is that you'll be able to decide that for yourself once you get the pump removed. You'll be able to decide if you want to repeat that again sooner, rather than later. Then, do you replace just the o-rings, or look at the wear parts, or...</p><p></p><p><strong>While the engine is out replace your fuel pickup line</strong>. Very easy at that point. Much harder with the engine and pump installed.</p><p></p><p>All that said, do not take me for any type of expert. I have rebuilt a massive quantity of -one- hydrostatic pump in my lifetime, and I think I just learned, (courtesy of, and with much gratitude to, [USER=21921]@River Fluid Power[/USER] ) why my rebuilt pump has zero charge pressure. I have been bird-dogging my charge pressure issue since I reinstalled it and was about to build a hydraulic flow meter to help figure out why. Based on their comment, it would seem that I installed the charge pump cover pin in the incorrect hole and will have to remove the pump and engine (again) and split the pump.</p><p></p><p>I have some videos I made that may be helpful. I included links to them in an earlier part of this thread, but they aren't visible yet because "This message is awaiting moderator approval, and is invisible to normal visitors."</p><p></p><p>Meanwhile, here are some photos of what awaits you:</p><p></p><p>[ATTACH=full]5350[/ATTACH]</p><p>[ATTACH=full]5349[/ATTACH]</p><p>[ATTACH=full]5351[/ATTACH]</p><p>[ATTACH=full]5347[/ATTACH]</p><p>[ATTACH=full]5348[/ATTACH]</p></blockquote><p></p>
[QUOTE="wateka, post: 131760, member: 21519"] Having just rebuilt my pump, I learned that splitting the pump was the easy part. Getting it out and removed from the engine was much more labor intensive. My guess is that you'll be able to decide that for yourself once you get the pump removed. You'll be able to decide if you want to repeat that again sooner, rather than later. Then, do you replace just the o-rings, or look at the wear parts, or... [B]While the engine is out replace your fuel pickup line[/B]. Very easy at that point. Much harder with the engine and pump installed. All that said, do not take me for any type of expert. I have rebuilt a massive quantity of -one- hydrostatic pump in my lifetime, and I think I just learned, (courtesy of, and with much gratitude to, [USER=21921]@River Fluid Power[/USER] ) why my rebuilt pump has zero charge pressure. I have been bird-dogging my charge pressure issue since I reinstalled it and was about to build a hydraulic flow meter to help figure out why. Based on their comment, it would seem that I installed the charge pump cover pin in the incorrect hole and will have to remove the pump and engine (again) and split the pump. I have some videos I made that may be helpful. I included links to them in an earlier part of this thread, but they aren't visible yet because "This message is awaiting moderator approval, and is invisible to normal visitors." Meanwhile, here are some photos of what awaits you: [ATTACH type="full"]5350[/ATTACH] [ATTACH type="full"]5349[/ATTACH] [ATTACH type="full"]5351[/ATTACH] [ATTACH type="full"]5347[/ATTACH] [ATTACH type="full"]5348[/ATTACH] [/QUOTE]
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bobcat 853 hydrostatic pump leaks heavy between right and left side
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