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Re: 4440 Hydraulic Update/Question

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Author  [Modern View]
Tim S

11-26-2012 19:40:08

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here is pre wrote script discribeing my test stand...... To sum it up a bit, I have a 30hp motor spinning a jack shaft at 2,000 rpm"s with a pump on the left end that stays put, I have a shifter that puts it in or out of gear, and the valve between them shuttles the oil to one pump or the other, the other being a pump that will be tested,,the pump that stays put is for providing oil pressure when I"m testing components ..clear as mud,,,there is a charge pump below driving directly off the motor ,,there is a pressure gauge and flow meter on the cabinet to test the pump....there is a manifold at the lower part of the cabinet to hold the couplers in place, the left end is pressure, then the next(pale green) 2 are for testing SCV"s, they go on up to the top of the cabinet to a 3X8 cylinder mounted to a frame,,the next 2 couplers (the yellow ones) go up to a actual 4020 steering motor mounted at the top of the cabinet to test steer valve operation, I mounted a direction needle mounted where a front end would be, the next set of couplers (the brown ones) are for testing brake valves.. then the end coupler (the Blue one) is for return, a truck oil tank,for oil, an old oil cooler off a 7700 hydro for a cooler,,a nifty holding fixture on the far right, and a stainless bench to catch any oil and send it to my waste oil tank,,, mail me and I'll tell you more about it..

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