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Message: <blockquote data-quote="buyemlow48" data-source="post: 34991" data-attributes="member: 3937"><p>I was wanting to ask if any one know if a Prime mover L1300 Skid Steer has a check valve in the hydraulic circuit. The problem that I have, is the hydrostatics are not working properly. I took the hydrostatic pumps out and went through them and their is nothing wrong internally and the charge pump is working just fine. But their is know back pressure to operate the swash plates in the hydrostatics. The left side does not work but the right side barely works and their is no control on the right side but the wheels on the right side rotate slowly forward. So the question I am asking is if their is a check valve on the return line to the tank it might be stuck open but if it does not have one what would be causing the problem. Also does any one know where to find a hydraulic schematic on this unit. Thanks Cliff</p></blockquote><p></p>