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tjb4750 · Feb 13, 2014

just put new hydraulic pump in but when you tilt bucket it acts like it starving for oil [full of oil] any ideas put new relief valve in no change. Every thing else works good

mab570diesel · Feb 13, 2014

water in oil?

8V71 · Feb 15, 2014

Check for suction leaks on suction lie from tank. If your sucking air you will cavitate and damage the new pump this realy would only apply if all the implements that that pump operated had the same issue.it does not take long for this to happen.Also some pumps need to be bleed after install.If loud noise and shuttering of pressure out line occurs then air is ether entering the system or taped in the system.If its only on the tilt circuit there are circuit reliefs as well as the main.You can undo line out to tilt cyl and put a gauge on ( dead head the circuit) and see what happens.

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