Spoolmatic 30 A tension

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Spoolmatic 30 A question.  We are having trouble with the thumb nut tightening device that holds the spool in tension.  All of a sudden we are unable to place tension on the spool and from the schematic it is impossible to tell if we are missing a part.  There is still the long rubber section and the thumb screw but this does not tighten up the tension.  Any thoughts?Roger
Reply:Is it possible that you have the drive wheel on backwards?Aws:  SMAW d1.1 , d1.5, b31.3 , 1104
Reply:Hello Columbik Sculpture, check pages 18 and 20 of the manual that I have linked here. It shows the parts you are questioning. and also lists them by name on the other page. Essentially there is a post that has a spacer, rubber expansion sleeve, anti-rotational sleeve and a thumb nut to tension the spool by causing the rubber to expand when the thumb nut is tightened. Hope this helps out. Best regards, Allanhttp://www.millerwelds.com/om/o1213ag_mil.pdfaevald