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Funny you should mention that! …… I was running the Mk VII lathe this afternoon and at first the quill kept backing off and releasing the spur. I added a washer borrowed from my 510 and it worked fine. I suspect flipping the cup washer would make it lock without the washer (the 510 does) but I shoul...

I ran the Mark VII up this morning in table saw, jointer, and bandsaw modes with no problems except belt tension which was easily fixed. It turns out that the belt tension cam should be tightened counterclockwise (slot on the right as you face it) to best centre the button bearing on the cam. So far...

Don’t edit it. That will make my comment look silly.

I’ll check first with it just driven in and see what rpm I get. If I don’t get what I want I can probably cut the 1/4” from the inside with a Dremel. If not I’ll drive it out and cut it off. I will also have to re-drill the lubrication hole as it will be mostly hidden. Rotation prevention makes sens...

I’m actually glad I didn’t get the blower assembly. I have no use for it and would have had to take it to the dump.

docmirror what pics are you looking at? I do have the tie bars on the ends of the feet, the wheel table raising device, and the cam lock table lock. I understood those were later additions. My power switch is a beefy aftermarket one that works beautifully, however I thought it’s switch lever was un...

It just got even better. You can drive the sleeve out of the sheave without damaging the bearing seat. That means I can cut off the other end and not have to re-machine the bearing seat. I’m not sure I even need to cut it off. I don’t think there is anything to interfere with it if it sticks 1/4” in...

What a difference a day makes! Today I realized that the reason the Mk VII was functionally one speed yesterday wasn’t interference with the crappy cam at all. If you look at the last pic I posted you will see that one of the detent bumps is trapped and unable to release and allow the dial to turn. ...

JPG, on my Mark VII the damage was on the original Mark VII control sheave. The one I have on now is from my 1957 Mark 5.
If you mean the OP then yes, I think the damaged one was a Mark V sheave that went in at the time of the conversion.

I do hope to get the OP back in the conversation.

Hi, I’ve read this whole thread and may be interested in following this route with my Mark VII. You can see where I am in this thread https://forum.shopsmith.com/viewtopic.php?t=34179 At this point I have replaced a bad Mk VII control sheave with a Mk V one and am sort of stalled awaiting a printed ...