After I threaded the needle I was trying to pick up the bobbin thread but the needle hits something and won't go down all the way to pick up the bobbin thread. Singer Model No. 3820

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

So the un derside of the item being sewn looks more like a **** rug? It's either the bobbin is wound in the wrong direction, put in the bobbin chamber wrong and needs to flipped over or the thread in the needle needs to be threaded in a different direction. Try each of these one at a time to see which one is the culpret! I doubt it's the thread tension. When you figure it out, write it down and put the answer in the under storage area of the machine for future reference! Hope this helps!

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.

indicates that the needle /hook timing is off
check this by putting the needle in the fully down position and then as you start to get it back up the hook should be at or just near the eye of the needle

There could be several things causing this.
First, be sure the bobbin is in the bobbin case correctly. There is usually a line diagram showing the correct placement or you can check the owner's manual.
Second, make sure your needle is inserted correctly. If it is not completely set in the housing, this can prevent the bobbin thread from being caught by the hook. The groove in the needle should be ffacing toward you to assure that the thread interacts with the hook.
Third, be certain the upper threading is correct...passing through all thread guides and correctly through tension and take up lever.
Finally, make sure the bobbin case is free of lint. The machine brush that came with the machine will clean this area well.
I hope one of these suggestions helps you solve your problem. If so, please come back to Fixya and rate my advice!

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.

Try to repair in this order.

1) Your machine likely needs oil. Especially put a few drops of oil on the outside edge of your bobbin holder.

2) Try replacing your needle if you have some spares. If you are using a decorative thread (metalized) use a needle with a teflon lining on the eye (called metallic thread needle).

3) Try buying a better quality thread. Do not use generic thread in a sewing machine (i.e. "made in cheap country" with no brand name)

Please rate me..

This is a picture of typical bobbin threading. The thread should go around the bobbin and come out through the slot in the same direction...see B1. The thread goes from inside the bobbin through the slot to the outside of the bobbin case. The screw adjusts the tension on the thread as it comes out.

If you mean how to thread it to wind the bobbin we'd need to know what model and brand of machine you have as they're a bit different in how that's done. In older machines it was often on top, sometimes towards the back of the machine towards the wheel. The thread went through several guides and it wound the bobbin only when you pushed the spool post that held the bobbin up against the wheel that caused it to turn, after releasing the hand wheel on the back so the needle wouldn't go up and down as it wound the bobbin.

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

indicates needle /hook timing is off check/ adjust or take it to a repair shop for adjustment
singer have a very good manual on how to set timing so download a pdf version from the singer site