Re: seasonal PTO on a IH 300 utility

Posted by dick on June 18, 2001 at 12:49:03 from (63.120.111.98):

In Reply to: seasonal PTO on a IH 300 utility posted by Phil Forde on June 18, 2001 at 12:02:19:

The seasonal disconnect on the 300U IPTO was intended to reduce gear wear in the IPTO assembly at the back of the tractor when the PTO wasn't needed for extended periods. It was discontinued somewhere in the middle of the 300U production run (the basically more trouble than it's worth (IMHO) and cost money to include in the tractor (probably IH's reason for dropping it)).

Not really sure which shaft you're referring to, but I'm assuming your PTO isn't working and you're wondering what's wrong with it. The shaft going up to the disconnect is about 1/4" diameter, and isn't likely to be broken unless someone really cranked on it somewhere along the line. If you can't turn the disconnect lever on the bottom of the tractor all the way around (360 degrees) it's unlikely to be your problem.

The most simple explanation for lack of success otherwise is that the disconnect is in the disconnected position, and you're not getting it lined up properly when you're trying to engage it. Never did it myself, but this looks like a two-person job with one guy rotating the PTO shaft slowly (engine off) while the other tries to engage the disconnect during the instants when things are lined up properly. You'd pretty much be working blind on this and it's probably not easy.

If that isn't the problem, perhaps this is: the shaft has a little finger-like cam deal on the end of it which fits into a slot on the part of the shaft which slides back and forth to disconnect the IPTO, and this can pop out of the slot under certain conditions (happened to me a while back). Solution is to drain (change) the transmission fluid, pull the disconnect cover plate off, and see what the problem is. Good idea to replace at least the cover gasket if you end up doing this exploratory surgery.

Good luck - hope this helps.

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