Question about Bernina Bernette 75
Presumably neither of you has or knows how to adjust your bobbin tension so, I'm going to presume it's your hook. Make sure you are threading the machine coorectly then you'll need to remove your needle plate by removing the two screws, pull out your hook (this is the part your bobbin sits in) but make sure you note which way it sits inside your machine. Have a look at the plastic hook for any sharp edges or burs, you may need to replace your hook or try and gently sand (400grit) the plastic if possible. The key part of the hook is the small blunted point as this is what catched the loop of thread behind the needle. Please make sure that when you put your hook back in, that it is on the left side of that little guard sticking out on the lower right of your machine.
Posted on Dec 10, 2008
I had the same problem. I'm a novice sewer. I just bought my machine. It did the samething, tension didn't work, the thread kept knotting up underneath, and the fabric kept curling up in the back.
I adjusted the tension knobs to no avail. Then it kept bothering me that it was curling up. I then decided to set the dials back to where the factory had them and adjusted the presser foot just a hair counterclockwise and I haven't had anymore problems.
The other day the needle almost broke because the tension was tight on the thread. You have to make sure that the needle is at it's highest point to get it to release the fabric so you have a thread tail.
This is my first purchased machine. I had a New Home years ago that was given to me, however it blew away in the tornado of 1991 in Kansas and I never replaced it. I really do love this machine. I don't believe I will ever want another.
Posted on Nov 11, 2009
I have a problem with filling bobbin evenly
Posted on Feb 12, 2011
Bobbin is toren up will not go back in the case
Posted on Aug 31, 2010
I am trying to sew with shirring elastic, I have shirring elastic in the bobbin and thread on the top and I am using a denim needle. I have tried adjusting bobin tension and I am using the longest stitch at the top. It is not happening. Can anyone tell me what I am doing wrong?
Posted on Jan 14, 2010
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