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Speed at mid-range when dial is at slow speed

Posted: Sat Oct 09, 2010 9:32 pm
by bvrsbro
I Have a used 56 and wanted to use the disc sander. Speed dial was just ahead of low speed but when I turned it on it was running at atleast half speed. I turned the speed dial lower than slow, toward the high speed side of the speed dial plate, it slowed down at the fast speed setting. I realize now I probably shouldn't have gone in that direction. As I dialed past slow toward high speed the speed increased to half speed at the low speed setting with a rough sound but smoothed out as the speed went up.
My 85 Mark V doesn't act like that. Could the speed plate, slow to fast just be out of place? Or is it belts etc.
I know it sounds confusing

Posted: Sat Oct 09, 2010 11:26 pm
by beeg
See if one of these PDF's help ya.

[ATTACH]10581[/ATTACH]

[ATTACH]10582[/ATTACH]

Posted: Sun Oct 10, 2010 12:05 am
by bvrsbro
beeg wrote:See if one of these PDF's help ya.

[ATTACH]10581[/ATTACH]

[ATTACH]10582[/ATTACH]

Thanks Bob
I'll give that a try when I get back from a road trip DownEast on Wednesday. Where does the PDF info come from? I guess I should invest in some manuals, what would you suggest for maint. and repair literature?
Thanks for a quick response.

Posted: Sun Oct 10, 2010 12:41 am
by beeg
This PDF will get ya started with maint. and lubricating.

[ATTACH]10583[/ATTACH]

These PDF's come from either SS or an authorized SS repair service in Canada.
This site may help ya to.
http://www.shopsmith.com/ownersite/servicetips/index.htm