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W.C. Mo. | Had similar problems with my 7710. Is the problem with your 540 pto speed??? Pull the pto stub shaft and check the interior end.
If there is a slight divot in the center of the 540 shaft, there is your problem. 540 shaft should be flat and smooth--1000 rpm shaft WILL have a divot in the end. When installing the 540 shaft, it pushes against a spring loaded pin that rides the center of the shaft causing a divot over time. To fix, either replace or weld 540 shaft divot full and grind smooth.
My 7710 had over 9000 hrs with many of them pto hours. I was told pto shafts can wear out. | |
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JD 7810 pto trouble
