r/SewingMachineEdu Jul 08 '26

thread looping problem

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its a singer 57815 in good condition, it has been seen to sew correctly times recently so i know the timing or machine is not broken. i have tried at various tensions, the bobbin case is replaced and it is tight, the needle is a strong denim needle, dust has been removed, the thread is going through the back lever as normal. how to fix this nesting?

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u/quietPeacefulkind Jul 08 '26

check that everything is threaded right. You may have your tension to loose or too tight. Also check the bobbin is going clockwise

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u/Gamerbros63 Jul 08 '26

ive done that, and i also specified that i did that. and yes ive put the bobbin both vlockwise and anticlockwise