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Couple ?'s on hydro system L555 or similar models
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<blockquote data-quote="irwin" data-source="post: 26411" data-attributes="member: 2385"><p>First: does the gear pump have enough suction (without any priming) to recharge system?........</p><p>Second: has anyone ever had or heard about a woodruff key failing (<em>or</em> the shaft breaking at the keyway) between the transmissions or between engine and the tranmissions? <a href="http://en.wikipedia.org/wiki/Woodruff_key" target="_blank">http://en.wikipedia.org/wiki/Woodruff_key</a> ........ </p><p>I removed the pump and it turns (maybe too easily). It has a pump like noise when I turn it by hand, the shaft looks fine where it slides into the front transimssion pump shaft. I plan to take the gear pump apart monday at work and see if there any obvious internal issue........</p><p> What happened..I found a hole in my suction hose while hunting for the reason my hydro charge light was staying on..... After replacing that <em>holey</em> suction hose I still had no suction from the gear pump. </p><p>I tried to prime it, (before I removed the pump) by pouring hyraulic fluid into the hose (after disconnecting the hose from the sump and bending it upward). I cranked the engine over (with the fuel shut off) and the hose did not empty. :-( I'm thinking either the gear pump is bad or the key/keyway (somewhere down the line) is bad. Any other ideas?</p></blockquote><p></p>
[QUOTE="irwin, post: 26411, member: 2385"] First: does the gear pump have enough suction (without any priming) to recharge system?........ Second: has anyone ever had or heard about a woodruff key failing ([I]or[/I] the shaft breaking at the keyway) between the transmissions or between engine and the tranmissions? [URL]http://en.wikipedia.org/wiki/Woodruff_key[/URL] ........ I removed the pump and it turns (maybe too easily). It has a pump like noise when I turn it by hand, the shaft looks fine where it slides into the front transimssion pump shaft. I plan to take the gear pump apart monday at work and see if there any obvious internal issue........ What happened..I found a hole in my suction hose while hunting for the reason my hydro charge light was staying on..... After replacing that [I]holey[/I] suction hose I still had no suction from the gear pump.[I] [/I] I tried to prime it, (before I removed the pump) by pouring hyraulic fluid into the hose (after disconnecting the hose from the sump and bending it upward). I cranked the engine over (with the fuel shut off) and the hose did not empty. :-( I'm thinking either the gear pump is bad or the key/keyway (somewhere down the line) is bad. Any other ideas? [/QUOTE]
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Couple ?'s on hydro system L555 or similar models
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