Spotted horse, I just had this same problem with Dads (now mine) 400. Heres something to check. If its an original PS it will have a U pipe from the first (inside most hydro valve) to the bottom of the priority valve. There is also a plug in the steering post manifold to block hydro fluid and force the priorty valve to supply the hydro valves after the PS has fluid,hence the priorty. Mine the plug had migrated to the valve passage. Its suppose to be sandwiched between the manifold and valve. Mine was missing the washer to hold it there. I welded a washer and put a new O-ring and it was good to go. HTH Tim
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Today's Featured Article - The 8N and the Fox - by Zane Sherman. Dec. 13 1998, Renfroe, Alabama. Last niht I dreamed about the day that I plowed the field of about 10 acres over on what Jimmy and Dandy called the Ledbetter field. I was driving the 1948 8N Ford tractor that Jimmy bought in 48 new This was prebably in about 1951 and maybe even befor the house was built. This would have made me to be about16 years old and I drove the tractor for nothing and would have paid to drive it if I had had any money which I didn't, but neit
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