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The preset tension might be too tight for a heavy thread, preventing the bobbin thread from unwinding freely. Loosening the bobbin tension will solve this.


Nov 2, 2008 ... Incorrectly filled bobbin: Remove any thread on the bobbin be-fore you wind on new thread. Wind the bobbin following the machine instructions ...

Feb 26, 2007 ... In this video you will Understanding Bobbin Tension ... Sewing machine won't pick up bobbin thread | hook timing fix - Duration: 6:08. ejc1210 ...


Avoid damage to the bobbin-tension spring by cutting the thread close to the case before removing the bobbin. Raise the presser foot before removing thread  ...


May 25, 2014 ... If you've tightened the top thread extensively and are still not seeing results, then also loosen the bobbin tension so that the top thread can pull ...


Bobbins have their own mechanism for controlling tension on the thread. .... the bobbin tension will require an adjustment to loosen the bobbin tension. It is.


The flat bobbin-case spring exerts pressure on the thread as it comes out of the .... Take the bobbin housing apart, and remove the top cover where the light is, ...


Feb 7, 2012 ... To adjust your bobbin thread to the correct tension, there's a bit of trial and error to be done. First ... You'll need to loosen the screw a little.


Nov 7, 2014 ... Simply unclog your jam, remove any excess threads on the fabric and inside ... Solution: Take the bobbin out and rethread the bobbin threads, ...


spin this would cause the bobbin thread to be ... At installation of machine and at every bobbin change. ▫ How do ... Loosen the adjustment screw until the spring.