How do you adjust the bobbin tension??
01-30-2012, 06:38 PM
#3
Super Member
Join Date: Sep 2009
Location: Idaho
Posts: 6,442
Ann is right! 
Page eleven of this PDF explains it a bit more...
http://www.a1sewingmachine.com/manuals/66.pdf
ETA: Only turn the screw a 1/4 turn at most at a time and test it before adjusting it further.
Page eleven of this PDF explains it a bit more...http://www.a1sewingmachine.com/manuals/66.pdf
ETA: Only turn the screw a 1/4 turn at most at a time and test it before adjusting it further.
02-25-2012, 05:30 AM
#6
Super Member
Thread Starter
Join Date: Sep 2010
Location: Behind my sewing machine
Posts: 7,202
the tension can be a pain on the older machines...Just when I think I have it figured out and its working great it gives me troubles. I love the look of my treadle and someday I hope I will love the way it sews as much as I love the way it looks. I am off to use my Janome or I will never finish this quilt.
02-25-2012, 07:22 AM
#7
Senior Member
Join Date: May 2011
Location: Western Tidewater, VA
Posts: 463
If it's the original bobbin case, under the spring may be packed with lint. You can carefully! remove the screws, take that spring off and wipe both it and the case down, then put everything back together again.
If you do this, do it over a white towel-if you drop a screw it won't bounce, and will be easy to spot. If you've got two screws, make sure you know which one came out of which hole-they're often different lengths. An eyeglasses screwdriver is the perfect size for this. After you've got it back together again, you're still going to have to readjust the tension. I find it easiest to go backwards-that is, screw it all the way in, try it, and then back off 1/4 turn at a time until you get it where you want it. Once you've got it there, you can mark the case with a fine tip permanent marker-I usually start the line in the screw slot so I can line it up again if I need to.
If you do this, do it over a white towel-if you drop a screw it won't bounce, and will be easy to spot. If you've got two screws, make sure you know which one came out of which hole-they're often different lengths. An eyeglasses screwdriver is the perfect size for this. After you've got it back together again, you're still going to have to readjust the tension. I find it easiest to go backwards-that is, screw it all the way in, try it, and then back off 1/4 turn at a time until you get it where you want it. Once you've got it there, you can mark the case with a fine tip permanent marker-I usually start the line in the screw slot so I can line it up again if I need to.
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