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Handwheel for Mark V?

#266632 by sryoder » Sat Jan 18, 2020 12:53 pm

I see lots of photos of Shopsmiths with a handwheel instead of the original levers, particularly for raising and lowering the table. Can an old Mark V model 500 be retrofitted with handwheels w/o actually having to spend the big bucks to convert it to a 510 or 520?

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-Steve Yoder, Mark V Model 500

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Re: Handwheel for Mark V?

#266636 by br549 » Sat Jan 18, 2020 3:54 pm

viewtopic.php?t=3302

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Re: Handwheel for Mark V?

#266637 by DLB » Sat Jan 18, 2020 4:13 pm

For reference, I'm using a fairly old (Greenie) M5 and a '04 520, so it is possible that there are variants. I believe that the answer is that you could modify the 500 carriage to use the wheel but you cannot simply remove the handle and replace it with the wheel.

Among the differences, on the 520 the wheel is mounted close to the carriage and the table tilt is spaced away from the carriage. On the '500' it is the opposite, with the table height handle spaced away and the table tilt close relative to the carriage. Differences in the carriage lock would also interfere if the wheel were positioned close to the 500 carriage.

I think the minimum modification would be to add a spacer (approx. 1 inch) between the wheel and the carriage on the 500. This should move the wheel and handle away from the tilt lock and carriage lock, at the same time getting its position right on the pinion shaft. This is similar to the original where the lever is spaced outward by the 'pinion lock.' I'm not able to test this, I don't have a 500 carriage/table set up. My 'approx. 1 inch' would also have to be more carefully determined, it is not a precision thing but you don't want to run out of threads for the lock.

I hope this helps, I can provide pictures if needed.

Edit: The previous response (link) is much better because folks actually tested it. I'm going to delete this post soon.

-David

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Re: Handwheel for Mark V?

#266638 by JPG » Sat Jan 18, 2020 6:13 pm

Leave it alone.

It IS useful!

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╟JPG ╢
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Goldie(Bought New SN 377425)/4" jointer/6" beltsander/12" planer/stripsander/bandsaw/powerstation /Scroll saw/Jig saw /Craftsman 10" ras/Craftsman 6" thicknessplaner/ Dayton10"tablesaw(restoredfromneighborstrashpile)/ Mark VII restoration in 'progress'/ 10E(SN E3779) restoration in progress, a 510 on the back burner and a growing pile of items to be eventually returned to useful life. - aka Red Grange

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Re: Handwheel for Mark V?

#266649 by sryoder » Sun Jan 19, 2020 12:53 am

Thanks. I like the simplicity of the approach using the 3/8" drive socket. Might give it a shot. But, not wild about the 7/8" gap between the table and the tubes in drill press mode. My usual approach is to assume the engineers knew what they were doing when they designed any given object. However, having to unscrew and reposition the lever to get the table to whatever position I happen to want it at has always bugged me. Might just have to give the handwheel a try and, like the posts say, it's doesn't have to be a permanent alteration. Gracias all.

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-Steve Yoder, Mark V Model 500

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Re: Handwheel for Mark V?

#266683 by JPG » Sun Jan 19, 2020 11:45 pm

sryoder wrote: . . . . However, having to unscrew and reposition the lever to get the table to whatever position I happen to want it at has always bugged me. . . .


You could replace the movable lever with a short bolt, but then adjustments become much more difficult. :D

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╔═══╗
╟JPG ╢
╚═══╝

Goldie(Bought New SN 377425)/4" jointer/6" beltsander/12" planer/stripsander/bandsaw/powerstation /Scroll saw/Jig saw /Craftsman 10" ras/Craftsman 6" thicknessplaner/ Dayton10"tablesaw(restoredfromneighborstrashpile)/ Mark VII restoration in 'progress'/ 10E(SN E3779) restoration in progress, a 510 on the back burner and a growing pile of items to be eventually returned to useful life. - aka Red Grange

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