Question about Singer 3343 Mechanical Sewing Machine

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I have the Singer 3343C When I sew across the fabric the stiches do not catch so the to pieces are not sewn together.

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I've had this to happen if I have the bobbin in backwards.

Posted on Oct 23, 2013

6 Suggested Answers

  • 1116 Answers

SOURCE: Sewing on reverse of fabric

There has to be thread on both sides of the cloth in order to form a stitch.

Refer to the maintenance section of your machine and clean the machine as recommended.

Did you change the thread or needle?

Check the manual to be sure the threading is correct and was done with the presser foot up.

Is the needle is correctly installed?

Check the bobbin to be sure the thread is feeding in the correct direction and through the guides on the side of the bobbin case.

Posted on Apr 29, 2010

  • 2 Answers

SOURCE: i have a singer 140

does the bibbin have thread and in correctly?

Posted on Nov 29, 2010

SOURCE: I have a singer 3343c

the presser foot only holds the fabric against the feed dogs in the needle plate area

check the feed dogs to see if there in the up position

if not there should be a nob in the feed dog area to move them up & down

on some models when you remove the extension table the nob is at the back

Posted on Dec 10, 2010

  • 980 Answers

SOURCE: my singer sewing machine is

try a new needle first if this fails you may need to have the machine retimed

Posted on Sep 02, 2011

Joe Onley
  • 363 Answers

SOURCE: Singer Electronic Control Sewing Machine

Hi Cat,
This seems to be a common problem, but easy to fix. Check the bobbin, and see if the thread feeds out quickly when holding the thread and letting the bobbin case drop. You should see a small screw on the front of the bobbin case for adjustment. Screw that until the drop rate is slight. You may need to adjust a few times to get just the right rate of feed.
Hope this helps, Please rate and comment, Thank You
Joe

Posted on Sep 07, 2011

bargainbox
  • 1388 Answers

SOURCE: My singer sewing machine model # 774 will not

Looping thread underneath is a top thread tension issue...

I have written a 5 page illustrated Tutorial on overcoming this problem....HERE


Posted on Nov 13, 2011

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