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Old 06-16-2012, 05:22 AM
  #39  
mikec
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Join Date: Jun 2012
Location: White Plains, NY
Posts: 11
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Well, I think I finally found the problem. Top tension. After disassembling and reassembling the shuttle, checking that every joint is oiled, I decided it had to be a setting. So, I basically tried every combination of bobbin tension, and upper tension. I found that the higher the top tension, the less the underside bunching. My only problem now is that I have the top tension at max (10), and I am getting 97% good stitches. I imaging an 11 or 12 would get me 100%

Only problem is that there is no 11 or 12... So I am thinking that my top tension adjuster is bad, worn out spring perhaps? I'm going to see if I can replace the assembly before I start sewing my $1000 boat canvas. I finally see light at the end of the tunnel!

Thanks again for all the helpful suggestions.

One more request: A recommendation for a good place to buy a tension assembly online? :-)

Edit: Never mind. I found one on singeronline for a whopping $6.00!

Last edited by mikec; 06-16-2012 at 05:30 AM.
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