First step will be pulling the PTO/hydraulic drive shaft from the back of the tractor. Then you will need to pull the engine and O/U enough to slide the sprockets off the shafts. Safest way is to fully pull both from the frame together and block it up. The retaining nut is right-handed - tight, and on the O/U output shaft. Inspect splines on both shafts for wear, might want to replace seals on O/U output and trans input as well, and the o-ring on the O/U output. Replace lock washer on the retaining nut. Reinstall engine and O/U and align with trans input shaft. Reinstall PTO/hydraulic drive shaft in back of tractor, and install new o-ring behind it.
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Today's Featured Article - Hydraulics - Cylinder Anatomy - by Curtis von Fange. Let’s make one more addition to our series on hydraulics. I’ve noticed a few questions in the comment section that could pertain to hydraulic cylinders so I thought we could take a short look at this real workhorse of the circuit. Cylinders are the reason for the hydraulic circuit. They take the fluid power delivered from the pump and magically change it into mechanical power. There are many types of cylinders that one might run across on a farm scenario. Each one could take a chapter in
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