Question about Singer 1120 Mechanical Sewing Machine

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Birdnesting & needle keeps unthreading .Singer 1120

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 3422 Answers

SOURCE: Singer 1120 timing

h,

Timing" is the alignment of the needle at its lowest point and the hook on the bobbin case. The point of the hook must pass directly behind the "scarf" of the needle fo the interlocking loop of a "single needle lockstitch" machine to occur. Look closely at the needle. You will see the long groove along the front of it. This is where the thread rides as the needle goes up and down. If you look at the back of the needle you will see a flattened area just above the point. This is the "scarf"; it's flattened to permit the hook of the bobbin case to run right by it and catch the loop.
When a machine is out of "time", the hook is either too early or too late, OR to far away from the scarf to make the connection. You can send a machine out of time by hitting a pin, or breaking a needle "hard" (too fast through too many layers, etc.). You can usually identify a machine that is out of time by multiple skipped stitches at high speeds, or by stitching fast and then quickly putting it into reverse. Sometimes, you can scrape by if you rotate the insertion of your needle a little bit, this can help compensate for minor timing issues.

Posted on Sep 07, 2008

sew dutch
  • 24 Answers

SOURCE: keeps "birdnesting", besides rethreading, how do I fix?

when you have bunching on the bottom, you have a problem with the top thread: no tension. (and visa versa) Make sure the thread runs through the tension discs, these discs are activated when you put the presser foot down, so you want to thread the machine with the foot up, also feel if there no burrs, hooks, or whatever, so your top thread comes smooth off the spool, no jerking.

Posted on May 26, 2009

  • 3 Answers

SOURCE: bobbin case is popping out, and machine is birdnesting

Usually when this happens the bobbin is in wrong, replace it make sure the thread is going out the right way, make sure there is no lint or small pieces of thread around or underneath the bobbin area. Make sure you thread it with the foot up. Also make sure you are usng the right bobbin for the machine. They can easy get mxed up.

Posted on Jun 20, 2009

  • 1116 Answers

SOURCE: I have a Singer 6105 and the thread is birdnesting

Double check:

Threaded with presser foot up.
Feed dogs are engaged.
Stitch length set at proper length.
Thread is feeding from the bobbin spool in the correct order and through the proper guides.

Problem still there - take the machine and a sample of the stitching back to the repair guy and ask him to check the timing.

When you pick up the machine, take a scrap of fabric and give the machine a thorough test run - threading, bobbin winding, stitching before leaving the shop.

Posted on Feb 21, 2010

  • 139 Answers

SOURCE: I have a singer-inspiration machine

"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 07, 2010

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1 Answer

Set singer 1120 hook and timing


It's actually pretty rare to need to time a machine. Most machines I see that are "out of time" actually have the needle in backwards, or the needle is damaged, or not completely up in the needle clamp, so check those first.

Otherwise, check against the timing diagrams here: http://sewusa.com/Sewing_Machine_Repair/Sewing%20Machine%20Hook%20Timing.htm

May 27, 2014 | Singer 1120 Mechanical Sewing Machine

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My needle keeps coming unthreaded when sewing


normally when you use longer thread tails of 4 to 6 inches and move
the thread tails behind the needle before starting to sew.

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is the power cord & foot pedal connected correctly?
if they are connected
then machine needs to be checked to see if there is something
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Birdnesting on singer 1021


Try these suggestions
1. Change needle
2. Rethread the machine--top --make sure to use every thread guide
3. Take the bobbin out --make sure it is inserted correctly into the bobbin
Case, & make sure the bobbin is turned the correct way
4. make sure the thread has not come off the thread take up lever
5. Clean under the needle plate & in the bobbin area for lint or threads

Aug 15, 2012 | Kenmore 11101 Mechanical Sewing Machine

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try changing the needle
rethread the machine top & bobbin
clean under the needle plate & in the bobbin area
check to make sure the thread has not come off the thread take
up lever

Aug 05, 2012 | New Home Sewing Machines

1 Answer

My needle thread doesn't break, but when I go to sew, it unthreads itself.


make sure to keep long thread tail for the top & bobbin
of 4 to 6 inches & pulled behind the needle

Aug 04, 2012 | Kenmore 15516 Mechanical Sewing Machine

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Needle wont stay threaded when sewing


have thread tails of 4 to 6 inches long & pull the thread back behind the needle before you start sewing

Mar 11, 2012 | Singer 4423 Sewing Machine

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After one or two stiches the thread balls up on the bottom and the needle unthreads.


suggestions
put in a new needle
check your top thread tension
clean under the needle plate
clean the bobbin of lint & loose threads

Aug 01, 2011 | Singer Pixie Plus Sewing Machine

1 Answer

Just bought s Singer 1725. Tried a straight stitch. The thread keeps bunching up under the fabric and around the bobbin shuttle. How can this be corrected?


"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.

Nov 19, 2009 | Singer 1725

1 Answer

I have a singer-inspiration machine and it appears that the thread keeps getting caught up in the bobbin area so my thread birdnests. I am new to sewing and this is a new machine.


"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.

Aug 23, 2008 | Singer 7462 Mechanical Sewing Machine

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