Question about Bernina Sewing Machines
I have a bernette 80e. I was sewing on Nylon Chiffon and needed my tension at ''1'' Now I am sewing on cotton and have my tension at ''4'' and my top is to tight and my bottom is to loose. I have tightened the screws below. I can't figure out how to fix the tension since the top and bottom thread are having problems. HELP
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Posted on Jan 02, 2017
SOURCE: My basic singer 5932 machine
If the thread is loose on the bottom of the fabric, it's actually the top thread is too loose. Think of 2 little elves playing tug of war in your machine, one on top and one underneath. If you have loops on bottom, the top needs to pull harder (tighten top tension)
Also look at:
Test your thread quality to start, thread your machine and LIFT the presser foot (this opens the tension disks). Pull your top thread straight back. If you feel no tension no mater how much thread you pull, your thread is good. If that your machine passes that test, then let me know, we can go to step 2. If not, try different spool of thread, same test until you get a smooth pull (tip: always check your thread this way when you thread your machine)
Pull on your threaded bobbin thread while it’s in the machine. Does it pull smooth and even? If so, go to step 3. If not, try a new bobbin (bobbins get bent or distorted if wound too tight).
Clean thoroughly in the hook and bobbin case area and oil 1-2 drop is all.
Posted on Mar 18, 2009
The tensions must match ie. top tension =bottom tension. If the material is not sewn together tightly, that means the tensions are mismatched. Sewing machines will sew whenever the top and bottom tensions are equal (be it very tight or very loose).
We usually advise the customer to not touch the bobbin case tension. When that is not changed, all tension adjustments can be made from the top tension above the needle.
It appears that one of the two tensions (top or bottom) is much tighter then the other. I would reset the tensions to how they came, if you are unfamiliar with sewing machines this may take a little bit of experimenting until you get it back to a standard quality stitch.
The other option would be bring it to a sewing tech. A good mechanic should be able to adjust the machine and your tensions to your fabric (and recommend needle size for your thread/materials) in about an hour.
Posted on Apr 15, 2009
IT PROBABLY IS THREADED INCORRECTLY. GO SLOWLY BY THE DIAPHRAGM AND MAKE SURE IT IS THREADED CORRECTLY. ALSO MAKE SURE SPOOL PIN HOLDERS ARE IN PLACE THAT HELPS TO GUIDE THE THREAD CORRECTLY.
Posted on Sep 22, 2008
If you have pattern dials set correctly then I might guess that one or more sets may have been missed when the thread was being set up in the machine. most of these models show either arrows or numbers for each or way the thread needs to be routed.
Posted on Apr 26, 2009
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