Question about Bernina 1008
This is almost always indicative of an upper tension problem.
First, make sure you're using a good quality thread. If you're using thread that's not of European manufacture, you're probably filling your tension assemblies with little fuzzies. Coats and Clark Dual Duty is the most notorious thread for causing tension issues. If you have a bunch of this thread: throw it away or use it for hand sewing.
Turn your machine off, and use some canned air to blow out your upper tension assembly. (It looks like a couple of little cymbals inside the thread path.) Set your tension dial to 4.5.
When threading, right before you actually thread the needle itself, and with the presser foot up, "floss" the thread back and forth by holding the thread at the top by the spool with your right hand, and down by the needle with your left hand. This will ensure that you force the thread into the tension assembly.
Also ensure that your bobbin is oriented the right direction, but this would be a less common cause for your symptom.
If none of these fixes work, you probably need to have your tensions professionally calibrated.
Posted on Mar 09, 2009
Have you taken the bobbin case out and checked that tiny screw. Maybe it loosened up. This is a delicate task but you could try to tighten it just a hair. I have a Bernina 1530 in which the 'board' just went bad and I cannot get the tracking ball to go up or down just sideways. Let me know what you come up with.
Posted on Mar 17, 2009
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