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post #1 of 6 Old 08-23-2011, 10:18 AM Thread Starter
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Atlas table saw

I have an atlas table saw from the 50`s. Runs fine but I put on a link belt and now the pulley on the saw arbor keeps slipping off the shaft. I have wrenched down the set screw and replaced the metal shaft key. This is very frustrating, anyone have any ideas? Thanks.
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post #2 of 6 Old 08-23-2011, 10:31 AM
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You might try a little Loctite. Also, some set screws are actually double stacked, with another set screw beneath the one you're tightening...give it a look just to be sure.
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post #3 of 6 Old 08-23-2011, 10:41 AM
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Scott had a good idea to check for double set screws. Doesn't seem like just changing to a link belt would have that effect. You changed the key, maybe the end of the set screw might need dressing. Your alternative would be to go back to the regular belt. I had an old Atlas 14" RAS that was a great saw.









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post #4 of 6 Old 08-28-2011, 06:03 PM Thread Starter
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Thanks for the advise. I never thought of two set screws, but was not the case. I think trying locktite is the next step.
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post #5 of 6 Old 08-28-2011, 06:12 PM
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The pulley should be a snug to tight fit on the shaft. Any looseness will cause the setscrew to loosen up.

If needed, loctite bearing mount can be used on a loose pulley/shaft.

http://www.loctite.sg/cps/rde/xchg/S...ID=10000009MOY
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post #6 of 6 Old 08-28-2011, 08:46 PM
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Quote:
Originally Posted by kurt View Post
I have an atlas table saw from the 50`s. Runs fine but I put on a link belt and now the pulley on the saw arbor keeps slipping off the shaft. I have wrenched down the set screw and replaced the metal shaft key. This is very frustrating, anyone have any ideas? Thanks.
If the key is at all sloppy on the pulley you will have a problem.
You can ping the key with a center punch or a few lines with a cold chisle to "upset" the metal slightly for a tighter fit. A larger set screw can easily be drilled and tapped into the pulley for a more secure assembly. A new pulley may be in order if the old one is worn and that will cure most of your issues, except a loose key fit on the arbor. Back to plan A... upset the key. bill

The answer to your question will only be as detailed and specific as the question is detailed and specific. Good questions also include a sketch or a photo that illustrates your issue. (:< D)
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