Question about Singer 1120 Mechanical Sewing Machine

1 Answer

Not stitch zigzag

My singer 1120 is not stitching a zigzag stitch correctly. The top of the stitch is coming out with an extra piece of thread under the zigzag or other times it comes out with no zigzag it looks more like a honeycomb. The bottom of the stitch comes out PERFECT!!! I have tried different length and width combos settings on my machine, different tensions settings ranging from 0-3, and cleaning and oiling my machine. If anyone has any idea on how to fix this I would appreciate any input I could try!!!!! Thanks and Happy Thanksgiving!!!

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  • Expert
  • 458 Answers

Have you tried a needle change? It could be blunt or the wrong size. Have you cleaned under the needle plate as the ridges get full of lint there. A toothpick will clean them out.

Posted on Nov 23, 2013

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Posted on Jan 02, 2017

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Zenqi
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SOURCE: singer machine needle won't do width in zigzag

It sounds like it needs lubrication on the needle bar frame and linkage.

Posted on Oct 01, 2009

  • 20 Answers

SOURCE: I have a Singer Sewing Machine 5817C, the thread

Make sure that there is tension on the thread when you have passed it through the tension unit, by making sure the presser foot is down, and then gently pulling the thread to feel tension. If there is no tension, as seems to be the case, check the tension discs inside the unit to make sure that there is no debris stopping them from closing.

Posted on Oct 14, 2009

  • 1564 Answers

SOURCE: I have recently bought Singer Quantum 9940 and I

1. Make sure your needle is correct for the fabric. Go buy some good needles in several sizes. You'll need a 90 for jeans, rounded points for fine fabrics... get a few sizes. Your manual should provided you with clues to the right needle for the fabrics. (BTW... there really is no such thing as a Universal Needle... toss it.)

2. Re-read your manual and carefully follow the instructions on threading the bobbin and the upper thread...

3. Check your tension on the upper thread... it is too loose for the application. The tension on the bottom thread is handled by a spring on your bobbin case or race. If you do not have that threaded properly you'll have problems. Same with the direction the bobbin turns... have in it backwards... problems.

Barring all these things... It might be time for a qualified Singer repair person to look at it. Sadly Singer has seriously lowered it's standards in the last 20 years.

Posted on Feb 06, 2011

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1 Answer

Bottom thread is still loose even if i try to balance the tension, how do i balance the thread tension?


You bobbin tension CAN be adjusted. First, thread your machine with different colors in the top and bobbin, set your top tension at its default, and run a line of straight, and then a line of zigzag stitches, and compare the results at the top and bottom. You will be adjusting your bobbin to your top tension. If the top tension looks like a straight line instead of stitching and the zigzag looks like "chicken tracks" instead of a zigzag, but the bottom looks like a zigzag, your bobbin tension is too loose.

Remove the bobbin case, and locate the straight-slot screw. There are generally two; one is a Phillips and one is straight--you want the straight one. Leave the other alone.

The rule is "lefty-loosy, righty-tighty." If your stitching displays the above symptoms, it needs to be tightened, so turn 1/4 turn to the right--no more--then test again. You will need patience, but don't turn more than that. It is easy to do, but if you don't do it systematically, you can make things worse, and very slight adjustments can alter the stitching significantly.

Apr 15, 2015 | Singer Sewing Machines

1 Answer

Why is my singer 9015 skipping stitches, particularly on zig zag setting???


There are several possibilities for skipped stitches. A needle that is dull or bent; using a ball point needle when a sharp should be used, such as a woven fabric, the needle is not all the way up in the needle clamp; the needle was not inserted with the flat side in the correct position (unless your bobbin case is on the side of the machine, that's toward the back), or the top thread and or bobbin thread is not threaded correctly.

Sep 13, 2014 | Sewing Machines

1 Answer

Top thread bunches


try changing the needle--use a needle according to the fabric
being sewed
if thin fabric is being sewed try using a stablizer
rethread the machine top and bobbin--use every thread guide
make sure the bobbin is inserted correctly and turned correctly
in the bobbin case
also try adjusting the top thread tension just a little

Oct 23, 2012 | Singer 2950 Mechanical Sewing Machine

1 Answer

Uneven stitching on the bottom


Try sewvacdoctor.com and refer to handy problem list. Click on it for answer. Hope this helps.

Apr 03, 2012 | Singer 1120 Mechanical Sewing Machine

1 Answer

My singer cg 590 c puckers when I zigzag and sometimes when I sew straight seams


a wide zig-zag on a light weight fabric single layer is almost guaranteed to pucker up, just because the thread is under tension and this is often stronger than the fabric being pulled together by the stitches.

However, if a straight seam is puckering, this could be caused by a blunt needle, too big needle, or too tight tension or too long stitch length. You should be able to vary some of these variables to reduce the puckering and improve the stitch appearance. Other things to check might be the top thread being caught up somewhere in the thread path and pulling on the stitching.

If I am finishing the cut edge of aa single layer of light weight fabric I would use a three step zigzag to hold the fabric firmly and neatly.

Hope this helps a little?

Mar 29, 2011 | Sewing Machines

1 Answer

I do a few stitches and upper thread snaps. I feel I am threading it incorrectly and it is too tight


sewusa.com has threading diagrams

singer.com has free manual for a singer 1120
just go to the singer website & put in the box 1120,,the 2 bottom ones are free

Nov 30, 2010 | Singer 1120 Mechanical Sewing Machine

1 Answer

I have just aquired a old singer machine that is straight stitch only. The problem i am having is when sewing the top stitch is slightly diagonal, while the underneath is straight. I have tried...


Are you sure that you have an 1120 because I looked up your manual (it is free on www.singerco.com under the customer support tab) and it is not just a straight stitch machine. If, it is not an 1120 put your correct number in and read the manual. Look on the back of your machine for your model number.

Nov 01, 2010 | Singer 1120 Mechanical Sewing Machine

1 Answer

Zigzag stitch pulling tight, looks wrong


Try adusting the bobbin thread instead of the top. Always make sure to insert the bobbin so the thread is pulling in a clock wise direction. Both threads top and bobbin should have about the same resitance when pulled.

May 08, 2009 | Euro-Pro Shark 60 - 384

1 Answer

When making a straight stitch or Zigzag stitch, makes loops underneath the fabric This is for a Singer sewing machine model 5817c


Your top tensioner is too loose.make sure the thread runs through all the relevant eyes and then tighten the top tension little by little as you do a sample few stitches.

Feb 21, 2009 | Singer 5050 Mechanical Sewing Machine

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