Dave. Suggestion. DON"T! ATF will thin out when warm. Hyd seals (what size??? ) would be worth taking pump apart and installing new seals. We could have short cut our rebuild Hyd Pump on the O.C.46 ,but with the large cylinder(lift) and the 2 (dump ) cylinders and the lifting pressure needed to do the bucket lift ,if quite high. 13-1400psi. I would WAIT WAIT WAIT to see if any one ( we gave ya the names) to see if they could supply you with the seal /a/or/repair kit. There HAS to be some repair station that has -or can get the kit -or at least a new pump at a reasonable price. Even an out of block pump could be the answer if all fails. Sure wouldn't take the chance of an over fill and blowing out seals in the front main or back main seals in the engine. Would hate to hear that .Sounds like the engine you are driving the tractor with is good to go except the Hyd pump that bolts to the internal cavity causing you to have overfill when the seals on the pump are leaking.Trying to guage (if you fill and drain as you said) the amount of fluid that passes into the engine would stay at a stable amount rather then the seals deteriorating then Un be known to you, more fluid is entering the engine chamber making more pressure on the engine seals .BOOM!!!!!!!!! Out they go. Now you have more additional problems then what was the original . I personally would do an out side pump assembly wayyyyyyyyyy before I would even attempt to keep adding and subtracting fluid to maintain some sort of pump stability. JMHO. Regards, LOU & VICTOR.
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Today's Featured Article - Third Brush Generators - by Chris Pratt. While I love straightening sheet metal, cleaning, and painting old tractors, I use every excuse to avoid working on the on the electrics. I find the whole process sheer mystery. I have picked up and attempted to read every auto and farm electrics book with no improvement in the situation. They all seem to start with a chapter entitled "Theory of Electricity". After a few paragraphs I usually close the book and go back to banging out dents. A good friend and I were recently discussing our tractor electrical systems when he stated "I figure it all comes back to applying Ohms Law". At this point
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