Hi David, I appreciate your reply. I know it seems strange that there was such little spline engagement, but it's really true. It was surprising to me too, but I was actually relieved to find this condition, because I had been pulling my hair out after eliminating all other possible causes I could think of. Where the two shafts come nose to nose there is not much gap, about 1/16" or so. When in ground drive, the gears lined up fine, but in engine drive the sleeve wouldn't come far enough forward, so I added more travel in the forward position. Having been around engineering and manufacturing for many years, I've seen how design and/or manufacturing mistakes can get out, and I'm convinced that's what happened here. From the parts book, apparently there were some changes to the main case on early tractors.
The PTO output shaft is located axially from the rear of the case, and the pump locates from the dowel holes in the sides, and since the two shafts meet properly, it seems the relationship between these is okay. But I've been suspecting that the side cover hole in the case may be mislocated, but in any instance, I'm thinking there is something dimensionally off in the relationship between the shift mechanism and the shafts. I'd guess my tractor probably isn't the only one with this issue, so I'm hoping my experience can save someone else some hair pulling. At least it's another thing to look for if the PTO won't stay in. Thanks, Walt
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Today's Featured Article - Hydraulic Basics - Part 2 - by Curtis Von Fange. In the last entry to this series we gave a brief overview of hydraulic system theory, its basic components and how it works. Now lets take a look at some general maintenance tips that will keep our system operating to its fullest potential. The two biggest enemies to a hydraulic system are dirt and water. Dirt can score the insides of cylinders, spool valves and pumps. Wate
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