Question about White Sewing 915

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I have a White 915. The thread won't catch. I've cleaned it, changed the needle and the tension. It's happened before, but now I can't seem to fix it.

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Posted on Jan 02, 2017

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  • 192 Answers

SOURCE: Bottom thread will not catch

Unplug the machine and remove the needle plate so that the bobbin case if fully exposed. Lift out the bobbin case and the cup that it sets in will be visible. Locate the "hook" on this cup. It is a finger with a sharp point at the upper edge of the cup. The hook is what grabs the thread from the needle while sewing.

  • Thread the needle.
  • Turn the handwheel by hand.
  • Watch the hook as it approaches the needle from right to left.
If the hook passes by the needle AFTER the eye of the needle is above it, you timing has slipped and the machine must be taken in for repair.
If the hook catches the thread from the needle, put everything back together and try threading again.

Posted on Nov 14, 2007

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SOURCE: bobbin thread not catching

Whenever you see loops on the underside of the fabric something is snagging the thread. the biggest culprit is burrs on the hook. the hook is what goes round and around the bobbin. The reason for burrs on the tip of the hook areseveral

ONE ...is by helping the fabric through as the machine is doing the sewing which directs the needle too close to the hook thus scarring the smooth surface of the hook and potentially breaking it off and the needle too. You must allow the machine do it on its own and only guide the material.

TWO...Sometimes if you are sewing s-t-r-e-t-c-h-y double knit material the material calls for a ball point needle. I have gotten good results with the Singer brand YELLOW BAND needle.

Three ... The hook could have gotten out of timing. What this means is that the hook is not meeting the needle on the top edge of the eye of the needle. You yourself can check this out by removing the bobbin (or shuttle, cassette). Install the needle flat side to flat side of the mounting rod and all the way up. By slowly turning the handwheel on the right slowly and watching that the eye of the needle is just below the hook on the upward swing of the needle and that they both meet dead center. This when you need to take it in to a repairman. FrankIy I don't like to advise this because of unscruppulous practices. My boss used to call me a virgin Mary because I wouldn't ripp-off the customers. Anyway at this time you can also check the condition of the hook carefully looking for nicks and scratches on or around the tip of the hook. If there is damage present you can file this down with a very fine emory board or by using a strip of 400 to 600 grit sandpaper as if your were buffing a shoe. If the hook is removeable by unsnapping the snaps on either side its easier to buff. Anything courser may contibute to the problem. If the paper won't remove the damage you may need a whole new hook. If its not removeable you will have to take it in to have it installed.They have to time it properly.

Four...The two disk that you mentioned also has a spring. That sping is there to pull up those loops. If the disks are full of lint from the thread going through. the clups of lint won't allow the discs to apply tension on the thread and thereby having tightened the tension so much that that spring is not working properly.You can clean the discs by raising the foot which opens the discs. With a long narrow pick pull out all that lint without scatching the discs. Check closely that the the thread goes across the top of the machine down through the discs pull up snug so the spring engages,through the take up arm,in the two thead guides, then into the needle front to back or right to left, if it is a side loading bobbin. Now the tension will work properly!

TESTING : Move the TENSION dial to mid point of the dial usually 5. This is your starting point.
With two layers of fabric ( not stretchy) and with a regular needle, set stitch length at about 12 per inch on the dial. Now sew about six inches. Raise the fabric and look at the results. Do minor adjustments necessary on your tension dial up 6...7.. if loose on the bottom 4...3..2 if loose on top.
If you did all the steps above those are the steps a repairman performs and charges $75 except me I used to charge $10 .

Brother machines are good quality it is those hidden gremlins that make a fun hobby frustrating when you don't have someone to turn to without having to shell out cash! Its been a pleasure!

jravenus

Posted on Nov 07, 2008

  • 1 Answer

SOURCE: Not catching stitches / bobbin correctly

Your timing has been messed up by breaking the needle.  When the needle hit the bobbin race, it shoved the needle bar up and now the needle is not in the correct position to catch the bobbin thread when the race rotates.  The needle has a little dip in the back, called the scarf.  When you take the neddle plate off and watch it move, you should see the little hook pass through the scarf.  That's how it makes the locking stitch and picks up the bobbin thread.  Unfortunately, you will need to take this in to a dealer or service place to have them adjust the needle bar height.  It's not a complicated task so see if they can check it while you wait.  It may be more difficult to fix, like retiming the machine.  But it doesn't sound like you've done any major damage to the mechanism.

Posted on Feb 08, 2009

  • 9 Answers

SOURCE: NEEDLE KEEPS COMING UNTHREADED WILL NOT CATCH IN FABRIC

Make sure you are threading the machine correctly and it has the proper tension. Also check the bobbin the thread has to go thru the little lash

Posted on Jun 14, 2009

  • 1 Answer

SOURCE: Lower Bobbin not threading

the thread will not catch the bobbin and the feeder will not turn

Posted on Jun 21, 2009

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1 Answer

Upper thread is not catching bobbin thread


Carmen, seem that you have carried out the necessary rectification, but could it be your rotary hook tip blunt/broken, if not most probably it needs needle/hook timing adjustment. And this will require your sewing machine technician to do it.

Jul 24, 2013 | Sewing Machines

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Bottom thread on Juki DDL-5550 is coming up. Top thread seems to lie flat


Check your upper thread at the spool. I've had industrial machines randomly throw a loop around the spool holder spindle which is hidden under the spool itself.

Also check your threading guide to be absolutely certain you are threading it correctly. Also make sure needle/thread diameter are suitable for each other.

Good luck.

Dec 02, 2012 | Sewing Machines

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Why is the thread catching on the tension discs on my Singer 5430C machine


Have you cleaned your discs lately? Thread has wax applied to it believe it or not. Take a sturdy piece of cloth, fold it over and "floss" the tension discs. Test the stitch again. If that does not solve your problem, then the discs themselves may need replaced.

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1 Answer

Singer 8280 sewing machine tension won't increase


Make sure your needle and tread match your project. There simply isn't such a thing as a "universal needle." Also try lengthening your stitch. Heavier fabrics typically need a slightly longer stitch. Upon commencing to sew always grasp the 2 threads and slightly pull as you begin your seam.

I assume your garage sale find has a manual. Be sure your bobbin is unspooling in the correct direction. If it didn't come with a manual.. http://www.singerco.com/uploads/download/430_8280_es.pdf

Good luck.

Jul 04, 2012 | Singer 8280 Mechanical Sewing Machine

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Needle won't catch bobbin thread


try changing the needle-flat side goes to the back of the machine
clean under the needle plate & in the bobbin area for loose threads or lint

Apr 07, 2012 | Singer 8280 Mechanical Sewing Machine

2 Answers

I have a white sewing machine model #426, the thread breaks at the needle as soon as it starts to sew. I cleaned and oiled the machine.


Could be a couple of things so best to trouble shoot the following possible causes:

Cheap thread, brittle old thread. Always store thread in an airtight container out of sunlight and don't use the cheap 5 rolls in a bag in the bargain bin in your sewing machine, fine for hand tacking but not good to machines. Brands like Gutermann, Metrosyne or Sylko Supreme are good.

Needle bent or has a burr on it or is in backwards. Change needle, flat shank to the back.

Thread is catching somewhere on the threading path from spool to needle. Or hooking up on the thread spool itself, some brands have a little notch cut in top to hold the thread tail, but thread can catch in this as you start to stitch. Turn thread spool up other way or use a mushroom cap over the spool to help thread to run off smoothly.

Thread top tension is too tight, should be on 5. When you lower the pressure foot and pull the thread from below the tension device, can you feel firm tension on the thread. Should still be able to pull it though. If you can't pull it it at all when set to 5 then device is faulting.

Obviously if you have tried all of the above and it is still faulting, or you thing the top tension device is the cause, then you could try cleaning the top tension discs (turn to zero and floss with dental floss, check one of my other solutions, I've covered this lots), then I'd suggest it needs a professional service.

If you don't have a manual for your machine they are available from Singer website, http://www.singerco.com/accessories/instruction-manuals, type in W426 then click "search", often free as pdf files.

Jul 11, 2011 | Sewing Machines

1 Answer

Thread keeps breaking, can't seem to get the


1. Maybe you are using the wrong size machine needle or poor quality thread.
2. You must always lift the presser foot before threading the machine to release the tension discs.
3. Maybe you have broken thread stuck in the discs or bobbin race. Give them a clean. Pull a thicker thread by hand through the tension discs when the presser foot is up.

Jun 01, 2011 | White Sewing Sewing Machines

2 Answers

I have an old Bernina - an 810 - and the upper thread breaks constantly. This has been happening on and off for years. I've taken it to several different sewing machine repair people and they say it's a...


Hello,
Here are several solutions to try. I realize you have tried some of these but it may be worth a second try.

* Re-thread your machine, an incorrectly threaded machine can cause thread to break.

* Decrease the tension on your machine. The tension may be too tight for your thread.

* Reposition the spool of thread on the spindle. You know that little nick in the edge of a spool that’s used to hold the loose end of the thread? Your thread may be catching on this nick as you sew. Place your spool so that this nick rests against the bottom of the spindle.

* Reinsert your needle and make sure it goes all the way into the holder and that it’s positioned correctly, usually with the flat side away from the bobbin, but consult your machine’s manual to be sure.

* Change your needle.Your needle may be bent or dull. The eye of your needle may have a nick in it that’s cutting the thread as you sew. Or your needle may be too small for the thread you’re using, in which case, change to a larger needle. And make sure your needle is appropriate for the weight and type of your fabric.

* Change your thread
Your thread may be weak. Or your thread may be fuzzy and irregular, causing it to catch in the
eye of your needle as you sew. Cheap thread tends to be weak and fuzzy, so make sure to
use a quality, brand name thread. And if you’ve been sewing with an older cotton thread, which
can dry out and become brittle with age, try a newer thread.

* Check your presser foot for damage to the needle hole
A burr in your presser foot’s needle hole may be cutting your thread. Gently smooth any rough
spot you find with an emery cloth.

* There may be a burr in one of your thread guides, in which case, you may need to have your
machine professionally serviced to have the part replaced.

I hope this helps.

Dec 27, 2009 | Sewing Machines

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