Quoting Removed, click Modern View to seeOk, then I'll assume you have a constant mesh transmission. If the "O" was out of place their would be an oil leak around the pump mounting to the transmission cover case. Next thing I would check is the diverter valve as shown on pg. 103 of JD catalog PC 731. It's mounted in the trans cover, look in the round hole on the Rt. side of the bell housing . Be careful in taking out the bolts , the spring behind it will push it out with some force, you need to see which way the valve is pointed and be sure to put it in the way it came out. I had one valve where the spring was broke. That's where I have found sludge and bits , pieces of foreign material blocking the system. Do not allow the engine to start during the following procedure after you remove the valve , hold a rag over the hole and roll over the engine to clear the internal passage way to the the valve. If this does not fix the problem and you have successfully cleaned the filter, you may well need a pump replacement or repair. Of all the one's I have done, I never replaced or repaired a pump, but that's just my experiences.
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Today's Featured Article - A Lifetime of Farm Machinery - by Joe Michaels. I am a mechanical engineer by profession, specializing in powerplant work. I worked as a machinist and engine erector, with time spent overseas. I have always had a love for machinery, and an appreciation for farming and farm machinery. I was born and raised in Brooklyn, New York. Not a place one would associate with farms or farm machinery. I credit my parents for instilling a lot of good values, a respect for learning, a knowledge of various skills and a little knowledge of farming in me, amo
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