Question about Singer 7462 Mechanical Sewing Machine

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Sewing machine dressmaker model 300z

Bobbin thread loads to loosely on bobbin

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I think you have not looped the thread around the tension on the top before putting it onto the bobbin. you need to wrap the thread in a circle around the sphere near the regualr threading lines.

Posted on Dec 07, 2008

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3 Answers

What is happening when I sew and 3 threads come out of the bobbin? Or when it just freezes up and I can't get the needle to go up or down?


basically the problem comes from incorrect thread tensions
the main thread responsible is the needle thread as the tension is far too loose
tighten up that tension and it makes the needle on the up stroke pull the thread around the bobbin carrier and collects the bobbin thread and pulls it up to the material
with the needle thread too loose the needle thread is wrapped around the bobbin carrier again giving you the 3 threads ( 2 needle threads and 1 bobbin thread and the tangle jams the bobbin movement

Sep 29, 2016 | Sewing Machines

1 Answer

Bobbin threat loose


Make sure you have threaded the machine properly--which usually involves removing the thread and rethread from the beginning. Make sure to RAISE the presser foot before threading the upper thread. Check that the bobbin is loaded in the bobbin case and it is threaded properly.

sewing machine loose bobbin thread Google Search
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Jan 26, 2016 | Sewing Machines

2 Answers

Why stitches like this?


if that is bottom the top tension is too loose , way too loose

Oct 02, 2015 | Sewing Machines

2 Answers

The upper thread is too loose and the bobbin thread is taken up too much


It is the upper thread which pulls the bobbin thread up. If the bobbin thread is taken up to much, one solution is to loosen the upper thread -- but the upper thread is too loose. Therefore, the same problem needs to be combated from the bobbin side.
The thread from the bobbin should slide through a wedge. On that wedge should be a screw. It needs tightened. The bobbin thread should be tight as follows:
A fully loaded bobbin should tangle by the thread without falling. While dangling the bobbin by the thread, bounce the bobbin (yo-yo style). An easy tug should cause the bobbin to release an inch or two of thread and then the bobbin should stop falling on its own.
Once the bobbin tensioner is correct, you should be able to tighten the upper tensioner.

Jun 02, 2011 | Singer 5050 Mechanical Sewing Machine

1 Answer

The tension on the bobbin is giving big loops and then breaking


This could be one of the following:
  • wrong bobbin for the machine
  • bobbin loaded the wrong way - must rotate anticlockwise when you pull the thread
  • thread not into the tension spring/device on the bobbin holder correctly
  • bobbin wound badly, uneven tension, loose or uneven across the bobbin
  • poor quality or old dry brittle thread could cause the breaking (but the loops is definitely tension issues).
This is a top loading bobbin machine machine and you can download a manual from
http://www.singerco.com/accessories/manuals.html

Here is the threading diagram from the manual.

tally_girl_21.jpg It is important to click the thread down into the tension spring on all top loading bobbin machines and then pull gently on the thread to check that it is under tension, you should feel firm resistance when you pull the thread. If not, then take it out, and try again.

Other thing to look at is how the bobbin is wound. It is necessary to wind a bobbin smoothly and with some tension on the spool as the thread comes off it. Best analogy is the garden hose reel. If you wind it up and don't control where the hose goes onto the reel it will all lump up in the middle, and you won't get all the hose onto it. And then when you go to pull the hose out, it will jam and be difficult to pull. Same with bobbin thread. You want a nice neat even fill across the whole width of the bobbin, not just the middle. To achieve this make sure you use the bobbin winder tension disc when winding. Also use the spool cap on top of the thread spool to stop it from bouncing around as it unwinds - the thread will then wind off around the spool cap and this keeps it running smoothly and not twisting and jerking. If you don't have a spool cap then put the curved handle of a pair of scissors on top of the thread spool to tension it while you wind the bobbin. Also watch the bobbin as it winds, give the thread a nudge with your finger to control the fill onto the bobbin so it winds top, bottom and middle of the bobbin evenly.

I would suggest the following:
clean out the race following the manual directions to remove the bobbin holder, clean in this area, replace it. Wind a fresh bobbin and then load it into the machine, following the manual instructions carefully. Also thread the top of the machine following the manual, put in a new sharp needle from the pack, turn the top tension dial to a medium number (often 5 if dial goes from zero to 10).

Now test sew again. Look at the seam, if you have loops on the bottom of the fabric, underside, then the top thread tension is too loose or not in the top tension discs fully. Generally you should not need to adjust the tension on the bobbin thread for these machines.


Apr 13, 2011 | Singer 5050 Mechanical Sewing Machine

1 Answer

What is the reson of loose stich in below side of fabric


probably the thread coming from the bobbin is not under tension at all or insufficient tension, what is the machine brand, model and bobbin style, ie top loading drop in, front loading in seperate bobbin case?

Invariably stitching issues are caused by the machine not being threaded correctly, the bobbin being wound unevenly or bobbin tension issues.

Do you have a manual to check your threading up?

You may be able to find a threading diagram for it if you don't have a manual on www.sewing.about.com and this website also has lots of good general sewing machine threading advice and help.

Mar 03, 2011 | Sewing Machines

2 Answers

The bobbin is not preforming properly. It jumps around when I sew and then on the back of the fabric there is a ton of excess thread.


Change needle
Clean under needle plate where feed dogs are for lint
Clean bobbin area for lint or loose threads
Rethread machine top thread make sure to get every thread guide
& bobbin
Check tension 3 or 4 is usually good

if the bobbin is top loading they will flop around some when the start getting close to empty
if it's a bottom loading bobbin & case then it's not inserted correctly

Nov 24, 2010 | Singer 7442 Mechanical Sewing Machine

1 Answer

When I try to use the embrodiery unit the thread bunches up on the underside of the material--it is very loose. Any ideas on what is wrong?


The tension on the bobbin (under the deck) needs to be right. When you load the bobbin, try and pull out the thread a little. It should be firm. You should have to pull a bit to get thread out. If not, the tensioner on the bobbin is set wrong or has backed off (Or you loaded the bobbin wrong) Don't use the bypass slot!
There is one screw on the side of the bobbin holder, where the thread is pulled through when you load the bobbin. This screw can be adjusted to control the tension. See pfaff page on bobbins

Apr 21, 2010 | PfaFF Creative 7570

1 Answer

I have rewound a bobbin on my sewpro sewing machine. When I loaded the bobbin back in the machine I can't get the machine to pick up the thread to sew again.


Welcome to FixYa. I always try the easiest fixes first - make sure your bobbin is inserted correctly, and that the bobbin thread is securely threaded in the bobbin case (sometimes the bobbin thread doesn't "catch" when you place it in the bobbin case). If all is well in the bobbin area, rethread your machine. Make sure that the presser foot is in the raised position when you thread. If it still isn't sewing correctly, change your needle. These last three steps fix most problems. But, if you are still having problems, look at the thread in the problem bobbin. It should be straight and tight. If it is kind of wobbly and a little loose, you'll need to wind the thread onto a new bobbin.

If are new to sewing, keep your manual close by and refer to it often. Simple mistakes can make a new sewer loose confidence, but it is all part of the process of learning your machine.

Good luck and happy sewing. If you have a sec, please rate my response so I know when I need to work on my responses.

Thanks for stopping in. Ginny



Jan 28, 2009 | Sew Pro QuickStitch SP-402 Mechanical...

2 Answers

Elna supermatic bobbin and threading instructions


Check out these instructions and diagram. Good luck. Paste this link to your Address bar... http://www.sewusa.com/Threading_Diagrams/Threading_Pages/Elna_Sewing_machine_threading/Elna_Supermatic_threading_diagram.htm

Sep 09, 2007 | Sewing Machines

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