So when I hit one wall, I'll start another side project, the snowblower. When I bought it, I noted that the gearbox would turn on one end, but not the other. The bearings felt good, but it seemed as if a key was sheared off. So I took it apart.
Well low and behold, the key was fine - and it was there, BUT one gear had 3 1/2 teeth missing and the whole other gear was GONE! After I cleaned out the water inflitrated green grease that had the consistency of baby poo (and I have plenty of that to compare to!), all the snap rings, lock pins, and the keys were there, but no gearing is left in this gearbox.
Looks like I need new gears, a new gearbox, or at least a parts one. This Sunday was a bust, I have fixed nothing, but just found more problems. Typical of a rebuild.