Did more digging today and cleaned out the pressure relief valve.
It was not moving much due to being packed full of fine fuzzy grit of sorts inside the tiny inner parts of the spool.
Now the pressure is down around 290 - 330 PSI depending on RPM's and when the PTO control valve is switched of the PTO clutch pressure drops right to zero.
However the PTO keeps right on going until the RPM's are brought down into the 1500 - 1700 RPM or lower range then shuts right off.
I also cleaned out the lower flow divider valve and the second divider on the left hand side of the tractor that is part of the filter assy. The spool was jammed solid in that one.
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Today's Featured Article - Grain Threshing in the Early 40's - by Jerry D. Coleman. How many of you can sit there and say that you have plowed with a mule? Well I would say not many, but maybe a few. This story is about the day my Grandfather Brown (true name) decided along with my parents to purchase a new Ford tractor. It wasn't really new except to us. The year was about 1967 and my father found a good used Ford 601 tractor to use on the farm instead of "Bob", our old mule. Now my grandfather had had this mule since the mid 40's and he was getting some age on him. S
... [Read Article]
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1964 I-H 140 tractor with cultivators and sidedresser. Starts and runs good. Asking 2650. CALL RON AT 502-319-1952
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