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Hi, I have a used singer 491D300AA and I have the following problem: as I sew the thread twists and is eventually cut after it has reached the needle. Do you have any idea why this is happening? thanks in advance, Julia

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Are you using thread that has been wound from a spool onto a bobbin, then using this on the top of your machine? Thread is often wrapped and wound in one direction and winding it off the spool onto a bobbin, then off the bobbin will reverse the direction in which it is wound.

Other things could be a burr on the needle or in the thread path somewhere, top tension too tight, lint or dirt in between the tension discs or something disrupting the thread path as it flows from the spool to your needle.

I'd suggest that you clean the tension discs and recheck your threading path, change the thread and test sew again. Failing that, it may need a service to establish the cause.

Posted on Mar 29, 2011


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hi my names angela ive been a seamstess all my life. and it seems there could be a number of soulutions to your problem.first check your needle is in the correct way with the long ridge of the needle facing inwards.
second check you have the thread threaded correctly and it isnt twisted around twice anywere. and check that it pulls quite freely with ur foot lifted.
third. it could be flaw with ur spool case check it isnt damaged by running your finger along the edges if its catching u can file it down a little with a nail file.
fourth it could be your spool is not high enough in the case. so place ur case on a peice of paper and cut around a circle cut a smaller circle inside and insert it into ur spoolcase if your thtead is pulling to tight then you dont need that solution.
well i hope i was useful to you angela,,

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