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Anybody familiar with hydraulic lines/pumps?

837 views 5 replies 4 participants last post by  Spunka925 
#1 ·
Hello everyone. At work we have a giant tow behind leaf vac, with a hydraulic up/down system, which was working perfectly fine the first day of use. Now when we dump the leaves, the back lifts up perfectly fine and went from coming back down very slow to not going down at all unless I break loose one of the lines to release pressure, then it drops down. I disconnected the two lines that go into the piston and when I move the lever to go up the correct line shoots out fluid and when I move the lever down the correct line shoots out fluid as well. I can't figure out where the problem lies.
If anyone can help that would be greatly appreciated.
Thanks
 
#3 ·
Thank you, that would be an easy fix for me. Would your answer be the same if the motor runs still in when the lever is pulled in either direction? If so, a stop at napa will be the first this morning.

Thanks!!!
 
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