Posted by Hugh MacKay on October 17, 2007 at 02:44:15 from (216.208.58.155):
In Reply to: pto engagement lever posted by HAROLD FLOYD on October 16, 2007 at 11:34:45:
Harold: Your problem is very likely not the engage lever itself, but rather internal. Those PTO engage by a hollow shaft sliding on a solid shaft. The hollow shaft actually only makes contact with the solid shaft about 1-1/2" at each end. Rust buildup between the two shafts is very likely your problem. This usually happens to tractors that have been parked for a number of years, thus no gear oil has been up in the top of transmission and PTO case during those years.
I've run across two of these in my lifetime, both tractors that had been parked for a number of years. With the first one I fooled with the lever and the spring loaded popet, thinking that use may free it up, never did. If this is the case, you'll have to pull the PTO unit. This is not a difficult task, just drain the transmission and PTO, remove the bolts on PTO casting, it slides right out. Freeing the sliding shaft is not difficult either. I just held mine by the hollow shaft and hammered on the solid shaft with a 2x3 hardwood. They both came much easier than I expected. The lever does not give great mechanical advantage, thus it didn't take much rust to hold it. The hollow shaft is made up of two machined areas at each end, that make actual contact with solid shaft. Between those the hollow shaft is a bit larger, probably giving 1/16 to 1/8 inch space for rust and crud to build up.
I have the Blue Ribbon service manual on these, if you need any advice once you get into this just shout, my e mail is always open. Don't rule out lever and popet. The popet is not a ball, but rather a small cylinder device with a ball end, and is behind that plug designed for blade type screwdriver. There is a flat plate on shift lever shaft with two detents. One holds engaged while the other is disengaged.
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