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 - Earthmaster Project Progress Just a little update on my Earthmaster......it's back from the dead! I pulled the head, and soaked the stuck valves with mystery oil overnight, re-installed the head, and bingo, the compression returned. But alas, my carb foiled me again, it would fire a second then flood out. After numerous dead ends for a replacement carb, I went to work fixing mine.I soldered new floats on the float arm, they came from an old motorcycle carb, replaced the packing on the throttle shaft with o-rings, cut new ga
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