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Singer touch sew 645

I am having problems with my Singer 645's tension and I can't find my manual. As I sew, the bobbin thread catches, knots and loops as I sew. Help! and thank you.

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Singer website has a plethora of manuals to download, http://www.singerco.com/accessories/instruction-manuals is the link, your manual is there for $15. If the bobbin thread is knotting up in the bobbin then I'd say you need to rewind a fresh bobbin and make sure it is smooth with even tension as it goes onto the bobbin. If your bobbin thread looks a bit chunky and uneven, then you won't get good results from it. Also, check that you are putting the bobbin into the bobbin case the right way, the thread needs to come off the bobbin and make a reverse direction into the tension spring (assuming yours is a removeable bobbin case, not top loading)

Posted on Oct 12, 2013

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Posted on Jan 02, 2017

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SOURCE: Singer Simple bottom thread is loose

hi there
raise pressure foot up thread making sure thread passes between thread guide this should solve problem never alter bobbin tension,
mary h

Posted on Dec 30, 2008

  • 18 Answers

SOURCE: Singer 457 Zig Zag Sewing Machine not catching bobbin thread.

There are manuals avilable online to purchase for the singer machines, SOrry I was not able to locate a site that has them for free.
.... http://sewingonline.co.uk/singer-manuals.html

Posted on Aug 16, 2009

  • 1 Answer

SOURCE: singer touch and sew 648

Thread the machine as if you were going to sew. When you thread the needle, pull the thread off to the left and wrap it around the thumb screw on the left and just above the needle. Wrap it only 2 or 3 times and hold the end of the thread. With bobbin in place and the face plate slid open, push the thumb lever on the left under the face plate to the left. Begin to 'sew'. As you do, the bobbin will wind and the thread you are holding will detach. Once the bobbin is full to the outside line, slide the face plate the closed position. As it closes, it will release the thumb lever. Put the needle in the slightly lowered position and slide something blunt under the pressure foot pulling thread from both the bobbin and the needle; cut the thread when you've pulled it out sufficiently.

Posted on Apr 16, 2010

  • 139 Answers

SOURCE: Singer touch n sew 750 winding bobbins

You can find Singer bobbin winding instructions at http://www.singerco.com/resources/bobbin_wind.html.
"Birdnesting" occurs when there is no tension on the needle thread to pull the bobbin thread. This is easily corrected by rethreading the machine, following the threading path carefully and making sure the thread is fully engaged in the tension mechanism.

Posted on Apr 16, 2010

  • 1 Answer

SOURCE: how to thread the bobbin on a singer touch and sew model # 625

how to wind the bobbin of the singer touch and sew model 625



Posted on Jul 26, 2011

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http://www.singerco.com/uploads/download/794_white-645-x.pdf

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Well I have to say the first problem is with "we sew". How many people are trying to sew at the same time ": ).......
That was supposed to be funny by the way.

The problem is listed under Singer but you didn't include the model #.
Depending on what model it is it may be a factor so please respond with that info. Thanks.

What I can tell you is that the most common cause of this is incorrect bobbin tension.

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You can find Singer bobbin winding instructions at http://www.singerco.com/resources/bobbin_wind.html.
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