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Message: <blockquote data-quote="lucaslandscape" data-source="post: 54734" data-attributes="member: 7373"><p>heres my story in a nutshell...i have good power to the wheels when im not using the lift and tilt cylinders.if i get a good bucket full of dirt i cant lift it.if i am trying to lift to long i loose power to the wheels to the point if im on a hill pushing levers full foward i would go backwards. i put a gauge on the auxiliary ports and i get over 2000 psi for a split second and quickly drops to 1600psi and sometimes even lower.today i even had a full bucket and started raising it and got to chest height and wouldnt go any higher,so i let off the raise pedel and quickly hit it again then let offand hit it a few more time each time going up a little bit till it was up about 6ft or so.then i held it in the up position for a few seconds and it was going down but the pump sounded like it was straining.i just got this machine a few months ago ...the guy i got it from replaced the pump and played with the control valve.i cleaned the bronze filter too.what could be the problem?i have the manual and it said to check the cylinders for by-passing in them and that check looks good.i played with the main relief valve in the control valve turning it all the way in and still no power to the lift cylinders.help!!!! thanks in advance kyle</p></blockquote><p></p>