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SPT Belt Sander rehab guide?

#258868 by P89DC » Mon Apr 15, 2019 8:27 am

My 30 year old belt sander (6x48) idler wheel is really sluggish. All I have is the factory manual. Not much in there. I'd like to lubricate the bushings. Is there a thread on overhauling the belt sander?

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1986 510, jointer, bandsaw, belt sander, scroll saw, jigsaw and lots of accessories. Shopsmith woodworking bench too!

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Re: SPT Belt Sander rehab guide?

#258871 by rpd » Mon Apr 15, 2019 9:29 am

JPG made a really good thread on reassembly. http://www.shopsmith.com/ss_forum/maintenance-and-repair-f10/reassembling-a-belt-sander-6x48-t8179-s20.html

And there is the Sawdust Session video. http://www.shopsmithacademy.com/SS_Archives/SS112/SS112_Belt_Sander_Tuneup.htm

There is another thread on rebuilding the idler drum, but I am off to work, someone else will find it. :)

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Ron Dyck
==================================================================
10ER #23430, 10ER #84609, 10ER #94987,two SS A-34 jigsaws for 10ER.
1959 Mark 5 #356595 Greenie, SS Magna Jointer, SS planer, SS bandsaw, SS scroll saw (gray), DC3300,

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Re: SPT Belt Sander rehab guide?

#258877 by P89DC » Mon Apr 15, 2019 1:12 pm

Thanks! I made the mistake of using the the Forum search function and got almost nothing. Google works better!

Any tips for lubing the idler bushing without dis-assembly?

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1986 510, jointer, bandsaw, belt sander, scroll saw, jigsaw and lots of accessories. Shopsmith woodworking bench too!

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Re: SPT Belt Sander rehab guide?

#258889 by rpd » Tue Apr 16, 2019 1:36 am

I don't have a belt sander, yet, so no personal experience. I have read that the old grease mixes with sawdust and hardens, which makes it stiffen up.

Here are a couple of more posts on the subject by Bill Mayo, who was a master on this type of problem.

on greasing the drum
http://www.shopsmith.com/ss_forum/viewtopic.php?f=10&t=17652&p=204389&hilit=grease#p204387

and more helpful tips in this thread.
http://www.shopsmith.com/ss_forum/maintenance-and-repair-f10/belt-sander-t16688.html

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Ron Dyck
==================================================================
10ER #23430, 10ER #84609, 10ER #94987,two SS A-34 jigsaws for 10ER.
1959 Mark 5 #356595 Greenie, SS Magna Jointer, SS planer, SS bandsaw, SS scroll saw (gray), DC3300,

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Re: SPT Belt Sander rehab guide?

#258926 by P89DC » Wed Apr 17, 2019 5:23 pm

After looking into the situation it appears I have to disassemble the frame to get to the idler drum. Uggg, here I go! I'll look at adding a zerk fitting to provide a lubrication path that doesn't require disassembly....

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1986 510, jointer, bandsaw, belt sander, scroll saw, jigsaw and lots of accessories. Shopsmith woodworking bench too!

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Re: SPT Belt Sander rehab guide?

#259198 by P89DC » Sun Apr 28, 2019 1:41 pm

I'm in it deep. My drive drum is crowned (1987-88 model). I've soaked the idler drum bushings with 5W turbine oil and they're starting to spin freely. I don't think I'll disassemble the idler drum. Instead I'll add a zerk fitting and let the new grease displace the old gunked up lube.

- Anyone do the zerk fitting mod? I'm going to give it a try. Any tips are appreciated.

- When folks machine the crown off, do they remove the rubber tyre, machine it flat, then install a new tyre? Or to they just machine the rubber tyre flat?

Drive drum bearings are shielded and starting to fail, I've ordered new ones. My bearing puller kit from Harbor Freight is proving it's worth. $40 with coupon!

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1986 510, jointer, bandsaw, belt sander, scroll saw, jigsaw and lots of accessories. Shopsmith woodworking bench too!

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