After checking the oil level the first step I'd take is to do a pressure/FLOW test on the charge pump. You want to make sure that the charge pump delivers specified pressure at rated flow... if it doesn't then you can start by looking at the suction strainers/filters and advancing into bigger issues like cracked or broken lines in the transmission. If it does make specified flow then you need to pressure/flow test the main pump in isolation of the remainder of the system to see if it's up to spec... and if it isn't... deal with that. If is... then go hunting for the high pressure leak in the back end. Those tractors were WELL KNOWN for developing high pressure leaks and that both deprives you of available flow and generates a massive amount of heat. Given what you describe... that it gets so hot it goes to chattering and not working in half an hour... I would say you have a fairly substantial high pressure leak.
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Today's Featured Article - The Nuts and Bolts of Fasteners - Part 2 - by Curtis Von Fange. In our previous article we discussed capscrews, bolts, and nuts along with their relative hardness and thread sizes. In this segment we will finish up on our fasteners and then work with ways to keep them from loosening up in the field. Capscrews, bolts and nuts are not the only means of holding two parts together. When dealing with thinner metals like sheet tin, a long bolt and
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