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<blockquote data-quote="Tazza" data-source="post: 5030" data-attributes="member: 82"><p>The hydrostatic pump(s) that are mentioned are the pumps that drive the wheels. As you said you opened the one that controls the left side. These pumps should have a built in relief valve, did you open up all the plugs that were on it when you opened it up? it could be as simple as something holding the relief valve open.</p><p>As for oil, milky white is not a good colour. Did you replace the oil with the proper grade oil? it must be hydrostatic oil not standard hydraulic oil. If the oil was too thin it would make a lot of noise and cause damage.</p><p>One way to test the motor is to swap it with the right hand motor.</p><p>I would start with the relief valve on the pump and work from there.</p></blockquote><p></p>
[QUOTE="Tazza, post: 5030, member: 82"] The hydrostatic pump(s) that are mentioned are the pumps that drive the wheels. As you said you opened the one that controls the left side. These pumps should have a built in relief valve, did you open up all the plugs that were on it when you opened it up? it could be as simple as something holding the relief valve open. As for oil, milky white is not a good colour. Did you replace the oil with the proper grade oil? it must be hydrostatic oil not standard hydraulic oil. If the oil was too thin it would make a lot of noise and cause damage. One way to test the motor is to swap it with the right hand motor. I would start with the relief valve on the pump and work from there. [/QUOTE]
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