Missing the relief valve set point adjustment is a common error. The system pressure is approx 2250. Other hydraulic mistake is using the scc"s and a bungy cord to supply and return oil from the loader. The scv connection dumps return oil direct to the trans sump. This leaves a 6gpm trans pump supplying trans lube, pto clutch and high-low if equipped. Depending on the amount of internal trans leakage this leaves precious little oil to supply the 10,15 or 20gpm front pump. Do a search on the JD section about ported trans filter covers and supply "t"s". .
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Today's Featured Article - Upgrading an Oliver Super 55 Electrical System - by Dennis Hawkins. My old Oliver Super 55 has been just sitting and rusting for several years now. I really hate to see a good tractor being treated that way, but not being able to start it without a 30 minute point filing ritual every time contributed to its demise. If it would just start when I turn the key, then I would use it more often. In addition to a bad case of old age, most of the tractor's original electrical system was simply too unreliable to keep. The main focus of this page is to show how I upgr
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