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L785
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<blockquote data-quote="skidsteer.ca" data-source="post: 5031" data-attributes="member: 307"><p>Your sure the oil turned white as soon as you added the premium oil? What i'm wondering is if water got into the system about the same time you added that premium oil. It could be a reaction between two oils, but it sounds like water. Anyway you need to get it out of there, it can't be good. How many hours betwee the oil turning white and the leftside problem starting?</p><p>The guage your talking about would measure your charge pressure, but being the hydraulics and the one hydrostat work fine I doubt its that, as one charge pump feeds all 3 pumps in most systems.</p><p> Either the left side hydrostat is not pumping oil at any pressure (for what ever reason, ie. stuck relief valve) or the wheel motor is shot and the pressure is slipping through it without converting the pressure and flow back to energy. One easy(ier) test is to swap the rs wheel motor into the left side and see if that makes it work, as Tazza mentioned.</p><p>If the left side still does not work try the original ls motor on the rs of the machine. If it works there the wheel motors are fine and the trouble is in your hydrostat somewhere</p><p>Most machines are just fine with good old 10w30 for hydraulics and hydrostatics. Thats what my NH ls 160 calls for. There are a couple of NH guys around this forum, I just started a month back with mine, but I believe the principles of their system is simular to Bobcat.</p><p>Keep us posted</p><p>Ken</p></blockquote><p></p>
[QUOTE="skidsteer.ca, post: 5031, member: 307"] Your sure the oil turned white as soon as you added the premium oil? What i'm wondering is if water got into the system about the same time you added that premium oil. It could be a reaction between two oils, but it sounds like water. Anyway you need to get it out of there, it can't be good. How many hours betwee the oil turning white and the leftside problem starting? The guage your talking about would measure your charge pressure, but being the hydraulics and the one hydrostat work fine I doubt its that, as one charge pump feeds all 3 pumps in most systems. Either the left side hydrostat is not pumping oil at any pressure (for what ever reason, ie. stuck relief valve) or the wheel motor is shot and the pressure is slipping through it without converting the pressure and flow back to energy. One easy(ier) test is to swap the rs wheel motor into the left side and see if that makes it work, as Tazza mentioned. If the left side still does not work try the original ls motor on the rs of the machine. If it works there the wheel motors are fine and the trouble is in your hydrostat somewhere Most machines are just fine with good old 10w30 for hydraulics and hydrostatics. Thats what my NH ls 160 calls for. There are a couple of NH guys around this forum, I just started a month back with mine, but I believe the principles of their system is simular to Bobcat. Keep us posted Ken [/QUOTE]
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