[quote="Tx Jim"](reply to post at 04:51:33 12/03/10) [/quote I am watching with great interest now as the dynamics seemed to have changed from what was posted originally, it was said that the boom leaked down and the 1200 lb base pressure needed to lift the boom raised to 2500 lbs which is consistent with what I explained. That scenerio would be consistent with oil leaking by the packing and the diameter of the rod displacing oil into the top of the cylinder which had no return to sump. Now we've gone to a no leakdown situation and a steady 1200 lbs in the base of the cylinder so the info that I and Owen posted on no longer fits. If the original post was correct that the pressure rose as the boom lowered with the engine shut off then a mechanically induced pressure rise is the only possibility. Now that the boom no longer leaks down I will wait and evaluate further as more information is gathered. In the modern Case backhoes it would be considered normal for oil under some pressure to come from the hoses even with the spool not activated, probably from a regen circuit that another poster pointed out. Interesting discussion, keep the info coming. mEl
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Today's Featured Article - Women and Tractors - by Teri Burkholder. The View from the Garage - Never a doubt, everything on our farm is a learning experience. I've been working very hard to get our two rundown Farmall A's sanded, primed , bondo�d, fiberglassed and painted before our big local tractor show called the Tulip Festival. My husband Ben came in the garage one rainy day to see if he could "help". Well if you knew Ben you wouldn't want him anywhere near your spray gun, fiberglass or bondo! So I pulled out the 2 old yucky looking magne
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