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OK sportsfans, another episode in "Mark's Believe it or Not"
I used Liquid Wrench and WD-40 at different times and let soak for two nights. I tapped on the shaft but it didn't budge. I put the wheel in the vise and used a pipe wrench on the long side of the shaft. The shaft broke off at the wheel clean at the wheel without moving in the wheel at all! The wheel is still intact so I am soaking what remains of the shaft in Liquid Wrench overnight again. The Liquid Wrench seems to be soaking into the stone around the shaft. If it doesn't come out with a few strong taps tomorrow, I will start trying to drill out the shaft without enlarging the hole unless anyone has other suggestions.

BTW, the stone is now 223 mm diameter. I think it's still worth trying to save it, don't you?

Thanks for all of your suggestions. Clearly, designing a new shaft was a great idea for Tormek.

Thank you guys. I will try some of your ideas, but I still have this question:

How is the wheel held to the shaft? Does it just slide straight through and held by pressure between the two large washers and nut?

I got the nut off with an impact wrench which stripped the nut but that's ok since I am replacing the shaft. I but WD 40 between shaft and stone and hit with hammer. No budge. I left sitting with WD-40 overnite and will now go see if I can tap it out. I'll go with the gentle idea until I get really frustrated, as I'd like to save the wheel.

I've just bought a used T2000 and am trying to replace the shaft which is rusted to the wheel. I've got the whole shaft and wheel out of the machine with the nut and outside washer off. I've read everything on the forum. I've put it in a vise with the shaft sticking down and banged on the shaft with a hammer. No movement. There is a washer on the backside of the stone that looks like it has rusted to the shaft, or is it meant to be integral? Does the shaft just go straight through the stone, or is there something else holding it? I'd rather not have to buy a new stone since this one is good. Any other advice? Heating shaft?

Thanks for any help.