Question about Singer Curvy 8770 Electronic Sewing Machine
Try a new needle
make sure the bobbin is turned the right way in the bobbin case
rethread the machine top and bobbin
if these suggestions don't help, then the machine needs to be checked
Posted on Oct 21, 2013
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Posted on Jan 02, 2017
I had this problem and it all came down to using the wrong backing. I kep trying to use tearaway on everything but WRONG. Using the proper backing corrects most problems. Good Luck!
Posted on Dec 28, 2007
This can be caused by incorrect bobbin tension or the bobbin is in backwards. Take out the bobbin and put it in according to the instructions for your Singer. If you still have the same problem try tightening the bobbin tension. Please ask if you have any questions.
Posted on Dec 30, 2008
Your top tensioner is too loose.make sure the thread runs through all the relevant eyes and then tighten the top tension little by little as you do a sample few stitches.
Posted on Feb 21, 2009
Make sure that there is tension on the thread when you have passed it through the tension unit, by making sure the presser foot is down, and then gently pulling the thread to feel tension. If there is no tension, as seems to be the case, check the tension discs inside the unit to make sure that there is no debris stopping them from closing.
Posted on Oct 14, 2009
This seems to be a common problem, but easy to fix. Check the bobbin, and see if the thread feeds out quickly when holding the thread and letting the bobbin case drop. You should see a small screw on the front of the bobbin case for adjustment. Screw that until the drop rate is slight. You may need to adjust a few times to get just the right rate of feed.
Hope this helps, Please rate and comment, Thank You
Posted on Sep 07, 2011
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