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View Full Version : Just "inherited" a Shopsmith Mark V - 1950's model?


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JPG40504
08-07-2010, 01:10 PM
I have a feeling I am in the unlucky category. I can look into the way tubes and see the lower portions of the rusted screws. I will take a few pics and upload later. I am flying solo this weekend with our 2 and 4 y/o kids. Wife is out of town. So I will be lucky to pass by the SS to say hello. I do want to change it out. So maybe once I get the photos, you can give me some ideas. Thanks!

Soak the screws with a penetrant(liquid wrench/kerosene/kroil/pb blaster)[whatever is handy - not wd-40!] and let them soak this weekend. Replentish the stuff occasionally.

How far into the way tube center do they protrude? What kind of head did the screws have?

If they were socket headed screws, drilling(with or without an 'easyout') may be the solution if the screws are not hardened.

judaspre1982
08-07-2010, 05:35 PM
Soak the screws with a penetrant(liquid wrench/kerosene/kroil/pb blaster)[whatever is handy - not wd-40!] and let them soak this weekend. Replenish the stuff occasionally.

How far into the way tube center do they protrude? What kind of head did the screws have?

If they were socket headed screws, drilling(with or without an 'easy out') may be the solution if the screws are not hardened.

If you can't get the screws to budge after trying JPGs suggestions, I would also try and cut a slot in the top of the screws. You can use a large flat blade screw driver to try and back the screws out if the sockets are stripped.
If you can't get the screws out , I would then use a grinder with a cutting wheel. If careful you can cut the tie bar off from around the screws and then grind them flush with the way tubes. Just be extra careful not to mare up the way tubes.
Make sure you have another tie bar to replace the welded one first.

Dave

nuhobby
08-08-2010, 03:18 AM
Another wild tip: the recent '59 headstock I reworked had stubborn rusty Motor screws in the motor pan. I was getting ready to grind slots in them since the Philips screwdriver wasn't working at all. Then I happened to hit one of the screw-heads from the side with a cold chisel, and it freed up. All 4 came out this way.

copperhill
08-08-2010, 07:35 AM
Thanks Guys. I am going to try your suggestions and see if I can get them to budge. If not we can re-evaluate.