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Message: <blockquote data-quote="wmodel1897" data-source="post: 126231" data-attributes="member: 12164"><p>I have a Bobcat 753. It had some sort of glue put in the hydraulic tank. I got it from the guy that had the problem.  The control valve was out of it and in pieces.  I checked the both filters and they were plugged with the stuff.  replaced both and cleaned out most of the hoses.  wasn't much if anything in them.  Pulled the tank and it had what looked like epoxy in the bottom.  Both filters had the same stuff on them.  cleaned and put the control valve back together and put new filters in.  Ran it for twenty minutes or so and replaced filters. The filter in the back had maybe ten percent of the stuff in it. The little one was clean.  worked ok for an hour or so then started having trouble with the lift and tilt.  They work fine when the machine is cold but in a few minutes they start to slow down and not respond.  Let it cool for a day and they work again for a few minutes.  Drives work great Moves right out, steers great. replaced Hydraulic pump for lift.  I think it is called the sprag pump.  Same problem.  Any ideas.  Maybe pull main control valve and rebuild it?  put a photo of first filter on for grins and giggles</p></blockquote><p></p>