Posted by gbs on July 03, 2022 at 14:03:35 from (71.217.190.65):
the lift on our 253 started working intermently ,I had one on do the react the same on a 245 years ago it turned out to be the valve retainer caps had the wrong snap rings holding them in and one had broken allowing the cap to come out. after checking a couple of other things I pulled the pump and tore it apart and replaced all the o-rings as I didn't see anything broken or missing. replaced the piston seal checked all the control springs and valves, put it back together it primed right work up and down as it should until I up hooked to a 2 ring tedder, it hesitated to lift it then quit. I remove the lift cover test plug and it had no fluid flow. So I removed the right side cover to try and see if I could find the leak, only thing I noticed strange was the pump control lever would be resting against the lift control lever with the engine off, but time the engine was started the the control lever would move away from the lift control lever. if I moved the pump control back toward the lift control lever the arms would slowly raise about a foot, but as soon as I released it they would drop back down. I have pulled the pump back out and completely disassembled it finding nothing wrong that I can see. What have I missed
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