Question about SewShop.com Singer Model 6412 Millennium Instruction Manual

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Needle not catching bobbin thread

When sewing the needle does not grab the bobbing thread

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SOURCE: thread gathering under bobbin

Here is the manual
http://www.singerco.com/uploads/download/440_5_8_10_16_22_dial.pdf

Posted on Nov 26, 2012

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1 Answer

Can not catching the bobbin tread at the bottom


The bobbin may be in backwards
the needle is not the correct one for the machine
the needle isn't correctly seated in the needle clamp
the machine is a little bit out of time.
Remember to hang on to the needle thread when you're trying to pick up the bobbin thread
Turn the handwheel in the direction that would advance the fabric from the front to the back of the machine
make sure the bobbin-winding spindle has been pushed back to the left for sewing
make sure your needle is inserted correctly as far as it will go with the flat side facing back
and that the upper tension disks of your machine are threaded correctly.
Make sure the presser foot is up when seating the thread through the upper tension.
Turn the hand wheel (TOWARDS YOU ONLY) never turn the hand wheel away from you and hold the needle thread lightly. .
pull the loop up and then pull both threads (top and bobbin) under the foot and toward the back of the machine.
Also could be a timing problem

Mar 18, 2016 | SewShop.com Singer Model 347 Instruction...

1 Answer

I got this for my daughter in law. The machine bunches thread up underneath material. I have tried moving the upper tension, rethreaded (with pressor foot up) the needle & bobbin. I have changed...


the tension at bobbin seems to be the problem, make sure bobbin thread is in placed in bobbin CORRECTLY...then it should not be loose but loose enough to pull out with the slightest pull, top tension should be set on around 4,,,,,

Feb 28, 2014 | Singer 4411 Heavy Duty Sewing Machine

1 Answer

Hi I have a Janome 419S or 423S, the problem seems to be my hook race unit keeps getting loose and then the thread jams up. What can be done? Please


A jammed machine is caused by thread being caught in thehook. Remove the upper thread and the bobbin case, turn the hand wheel towardsyou (counterclockwise) by hand and remove any thread in the bobbin case area. Alwaysturn the hand wheel towards you. Turning the hand wheel away from you(clockwise) can cause the machines timing to become unaligned and jam yourmachine. Also, always make sure the presser foot is in the down position beforeyou start sewing. Sewing with the presser foot in the up position will jam yourmachine in the bobbin case. If youhave an older model sewing machine with a shuttle hook, then you can alsofollow these: 1. Disconnect the sewing machine from any power source.Loosen the thumb screw on the left side of the sewing machine body and removethe cover to expose the needle bar. This is the shaft that extends down andthat you attach a needle to for sewing. Open the shuttle race and remove the bobbinand bobbin case. 2. Turn the hand wheel toward you until the needle hasreached the lowest point of the stroke. The hook should be at the top of itsstroke inside the shuttle race. Loosen the set screw for the needle bar on theupper part of the machine, this is located on the needle bar bushing (thecollar that the needle bar slides through when making a stitch). The needle barshould slide easily up and down. 3. Turning the wheel again, adjust the position of the tipof the needle so that the upper part of the needle eye is just below the bottomedge of the hook inside the shuttle race. Once in position, re-tighten the setscrew on the needle bar bushing. Do not allow the needle bar to slip whiledoing this. 4. Replace the bobbin and bobbin case and close the shuttlerace. Thread and plug in your machine. Using a sizable scrap of cloth, sew aseam to check to see if there are any skips in the stitching. If there arestill skips re-adjust the timing again until you can sew without any skipped stitches. 5. When proper timing has been achieved replaces the coveron the needle bar and tighten the thumb screw. Hope this will help you. Good Luck.

Sep 13, 2011 | Vacuums

2 Answers

Royal Series, Necchi, Model # 80331763 bobbin does not take up thread properly. No manual unsure if i am threading it correctly.


You can get Necchi instruction manual from Necchi website: http://www.sewusa.com/Sewing_Machine_Manuals/Necchi_Sewing_Machines.htm". Makesure the needle is in the machine correctly- all the way up into the needlebar, make sure that it is threaded correctly, etc. If this all checks out ok,take the bobbin case out of the machine. There are two ears on either side ofthe bobbin case- turn the left one to the left and the right one to the right.Remove the silver ring, and inspect the piece of metal that the ring came off of(looks like a circle with the top cut off). You have to locate the hook whichis the piece that looks like a half moon inside the big round metal piece.Locate the tip of it, turn the hand wheel toward you until the needle is in thelowest position, at this point the tip of the hook should be flush with top ofthe left side of the cut off circle. Checkwhether underneath thread is looping on the fabric. If so then you've mis-threadedthe top, probably haven't raised the presser foot when threading so you can getthe upper thread into the tension. You need to thread the upper part with thepresser foot up. (You can put it down to thread the needle.)

Not picking up thread can be several issues, like bobbin is miswound, bobbincase isn't snapped in properly, you're using the wrong type bobbin, machine isout of time, needle is bent or burred, machine is dirty and in need of dustbunny eviction and a little oil but most of the time the issue is once againmisthreading: sewing machine needles have a front and a back and they have tobe placed in the needle holder correctly. In that case your manual is needed, take all the thread offthe machine (yes, spool off the spool pin, bobbin out of the bobbin case), pullthe needle plate and clean your machine thoroughly, using brush and vacuum (notcompressed air) and oiling per the instruction manual. Put it all backtogether, putting in a 80/12 needle, correctly oriented. Hang on to theneedle thread when you fetch up the bobbin thread.

Each and every seam you start is going to be done this way:
1) Pull the tail of the top and bobbin thread behind the presser foot
2) Put the work under the needle and use the hand wheel to lower the needleinto the work
3) Drop the presser foot
4) Holding the thread tails behind the foot, take a couple of stitches.
5) Drop the thread tails and sew normally. Hope this will help you. Good Luck.

Sep 12, 2011 | Vacuums

1 Answer

The tension of the thread on top and bottom is not equal. How do you adjust the bottom thread to make it equal to the top?


Hello

First locate the sewing machine tension gauge. Sometimes its called a knob or a button or found on your Touch Screen if you have a computerized machine. Refer to your manual if you can't find it.

Either your needle thread is too tight or your bobbin thread is too loose.

First check that your bobbin thread hasn't slipped out of its tension spring in the bobbin case.

If the bobbin thread is correctly threaded through the tension spring, then decrease your needle tension by 1 number. Test by stitching several inches on your small quilt sandwich. Keep decreasing the tension until no needle thread is visible on the quilt top.

If sewing machine tension problems occur during the middle of a quilting session, again, first refer to the checklist above. Once you're satisfied that your sewing machine is threaded properly and your needle is not the culprit, then adjust the tension as outlined above.

If you have just started testing your quilting thread choices and you are using different threads for the needle and bobbin, you will in all probability make adjustments to your tension.

Make a small quilt sandwich from the materials used in your quilt to make this sandwich. It doesn't have to be pretty or even pin basted. It should be just big enough to test some of the stitching you plan to do on your quilt.

Jul 11, 2011 | Vacuums

1 Answer

Bobbin not threading through, spool thread is gathering in bobbin catch and not sewing - just clumps of thread


It would appear to be threaded wrongly. Pull all the threads out, check the visible upper tension discs for broken threads then re-thread top and bobbin, making sure the pressure foot is up when you re-thread. Bobbins should normally turn clockwise when the tail of the thread is pulled. Make sure thread has gone under the tension spring.
Oddly enough, a blunt needle can occasionally cause this problem so if all else fails try changing the needle. Good luck

Mar 23, 2011 | Vacuums

1 Answer

Only every 10 or so stitches holds. Probably a tension problem, but I don't have a manual and I've tried every setting and nothing seems to work.


A sewing machine should catch and tie the threads at any thread tension. If it's not tying and you're sure it's threaded correctly then it's out of time.

Timing a sewing machine is not difficult, but the point where you adjust the timing is often not obvious. I don't know what kind of machine you have so I can't tell you just where to set the timing, but you'll find the point in the lower section of the machine, there will generally be a screw or two that, being loosened, will allow the lower section of the machine (where the bobbin is) to turn while the upper section stays still.

You want to watch the needle and the tying mechanism: as the needle starts to come up the top thread becomes slack and the hook on the shuttle carrier (the piece that either turns back and forth or goes round and round, down below) catches the slack top thread and pulls it around the shuttle. If the hook is too early in its motion it can't catch the top thread, if it's late then the top thread is gone before the shuttle can catch it.

Timing the machine is simply a matter of determining if the hook is early in trying to catch the top thread or late. Turn the machine by the handwheel, watch the interaction of the needle and hook, adjust the timing if necessary and try it again.

If you don't see where to time the machine the next best thing is to take it to someone who knows, pay them, and watch where they're making the adjustment.

Good luck with it,

lp

Jan 19, 2011 | Vacuums

1 Answer

I have a model 605d ,the machine work fine except it will not sew! i look over the machine it look ok ! i am found out that top spool thread and the bottom bobbin thread are not coming together to sew!


You have to do the first stitch using the handwheel so that the top thread catches under the bobbin thread and then you can pull the top thread which will bring up the bobbin thread. put both threads to back of machine. Now you can sew.

Every time you re-thread you need to do this.

Dec 21, 2010 | Vacuums

2 Answers

My Kenmore sewing machine timing has gotten off. I am sewing a big upholstery project and it starting bunching thread from the bobbin. The thread is so heavy that I had to put some pressure just to get...


Hello

Disassemble your bobbin case which is realy quite easy, clean thoroughly with a brush and air, paying particular attention to any rust that may have formed, and any thread that may have weazeled it's way into small but very incremental areas of your case.

Make sure your needle is not in backwards.The rounded side should be on the outside

. If threading is correct and your tension is properly adjusted , then check the hook for scratches. If you have ever hit the hook with a needle, it will be scarred and will catch the thread every time the upper thread passes around the bobbin case. the hook is the sharp point on the shuttle that holds the bobbin case. If it is scratched, polish it smooth with VERY fine sand paper

Make sure that your thread arm that rises and falls, constantly having tension running through it and that it is in fact staying in place.

Alternate between the metal and plastic bobbins - sometimes the plastic bobbins tend to chip

Dec 04, 2010 | Kenmore Vacuums

1 Answer

Sewing machine won't pick up bobbin thread


open the bobbin case and see if the hook is turning, if it is it is just a timing problem with the hook and needle, if it isn't tuning you may have a broken gear or timing belt.....It eill need to be looked at or adj by someone who repairs them....Daniel

Jan 05, 2009 | Vacuums

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