When we put a load on the 3 pt, and position it about halfway down or so, the arms just cycle up and down like crazy. About 1 cycle per second, and 2" or so it seems. Doesn"t happen as much near the top of the stroke. (Tried to use a NH 450 sickle mower on it, when I lowered it down to cut the cycling about shook me out of the seat.)So, to get this fixed and to do some engine stuff, I bought the manual from the museum and have the cylinder and valve on the bench. It says to put 4 tons of force on it with a press and watch for where oil seeps out. Trouble is I don"t have a press, much less one with a pressure gauge. Any ideas how to bench test this another way? Did I jump in to fast? Is there something else I should have checked before performing open heart surgery? (Although what fun would owner this thing be if I didn"t get to wrench on it?) Also, since I have the 3 pt and tranny opened up, is there anything else I should look at while I"m there? Tranny gears look good, very minor wear on the teeth.
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