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Speed Control Dial rattle

Posted: Thu Apr 26, 2012 1:52 pm
by goana
On putting back the speed changer and turning on, the speed control dial rattles at lower speeds, between SLOW and Saw/Jointer setting. The rattle goes away beyond Saw/Jointer setting. Seems like the SPRING does not help much in preventing the rattle cause of the grove on 'speed control dial' between SLOW and Saw/Jointer setting.

I do not recall hearing the rattle previously. Am I missing something ? This is the first time I removed the speed changer after I got the used SS couple of months ago.

Thanks

Posted: Thu Apr 26, 2012 3:06 pm
by mikelst
There is a small spring that goes behind the dial called the dial spring

number 83 on this diagram

http://www.shopsmith.com/ownersite/partscat/headstockassemblyexpview.htm

that keeps it from rattling.

Page b6 of this pdf shows a better diagram.

http://www.shopsmith.com/ownersite/prod ... 0_1_14.pdf

Posted: Thu Apr 26, 2012 7:19 pm
by goana
Thanks Mike. The dial spring, #83, is in place. The speed control dial is the one rattling. I have the spring under it and it is set properly and it does seem to have good amount of tension. Wondering if there is any other thing I need to pay attention to or do differently or change the spring.

Thanks,

Posted: Thu Apr 26, 2012 7:24 pm
by nuhobby
Sometimes the little finger-knob on the speed-control "big red" knob will be loose. It can loosen over time and be a rattler. But if you buy a new one and see it staked very tight, you notice the difference.

Posted: Thu Apr 26, 2012 7:37 pm
by wa2crk
Check for #73 in Mike's post.
Bill V

Posted: Fri Apr 27, 2012 12:05 am
by billmayo
nuhobby wrote:Sometimes the little finger-knob on the speed-control "big red" knob will be loose. It can loosen over time and be a rattler. But if you buy a new one and see it staked very tight, you notice the difference.
You can use a center punch to tighten the existing finger knob on the "big red" knob as many finger knobs will become loose and rattle. I allow for a slight movement of the little knob when tighten this knob. A little should do the trick.