Question about Sewing Machines
I have tried re threading the whole machine. Checked the needle and bobbin for any defects. Then cleaning out all dust and any little pieces of thread from the bobbin casing. But the bobbin thread won't even come up when I try to bring it up before any material is there. The thread just get caught and can not come up to the top.
1. Make sure your bobbin has enough tension. Check by hanging from your finger, It should extend one inch when you bob it.
2. Set top tension starting at 3.
3. Replace needle. Make sure that it is in right.
4 Check the way you thread the machine. It must be done right.
5. Rotate the hand wheel towards you and hang on to the top thread. As you rotate there should be some pull at some point. This is the bobbin doing this. If there is pull but the thread isn't coming up then your bobbin is hanging up.
6. Monitor the bobbin while you rotate the hand wheel. The thread should move across the bobbin but not get snagged. If there is a snag you will need to readjust that part just a little. This is normally a screw that needs to be loosened and retightened.
7. If the other suggestions don't work then move the needle to the right side of sewing. Also, try by doing it on the left. If it does bring the bobbin thread up then your machine needs to be timed.
8. For timing you can go to youtube for instructions. Or go to a repairman.
Posted on Nov 27, 2014
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Posted on Jan 02, 2017
SOURCE: Bobbin thread bunching
Check between the tension disc, sometimes you can get a piece of thread caught in that and it prevents it from tightening down and making a good stitch. Also, make sure that your presser foot is in the up position when you thread your machine.
Posted on Feb 12, 2009
SOURCE: Stitch tension problem - bobbin
please try this simple tips:
A sewing machine operator can often help themselves when their machine does not operate properly.
Here are some simple instructions, which if properly used can save time and mechanics service calls.
TROUBLE;UPPER THREAD KEEPS BREAKING;
This could be trouble;================Do this;
1.Top tension to tight================loosen tension 1 turn
2.Machine improperly threaded=========check threading
3.Thread twisted on guide post========"
4.Thread twisted out of tension======="
5.Take up spring bent or broken=======Check action of spring
6.Thread jumped off pull off finger===Check threading
7.Needle bent or burred===============new needle
8.Bad cone of thread==================try another cone
TROUBLE;LOWER THREAD KEEPS BREAKING;
1.Bobbin tensionspring to tight=======Loosen tension slightly
2.Bobbin threaded wrong===============check threading
3.Bobbin wound to tight or uneven=====try new bobbin
4.lint or thread on bobbin case=======clean inside case
5.Lint or thread inside hook==========clean inside hook
6.Bobbin case nicked bent or burred===check/change case
TROUBLE;MACHINE STARTED SKIPPING STITCHES;
1.Needle bent or burred===============change
2.Needle set in crooked===============Check
3.Thread jumped off take up spring====check threading
4.Thread jumped off pull off finger===check threading
TROUBLE STITCHES SHOWING LOOPS;
1.Forming loops on top of cloth=======Tighten bobbin tension
======================================or loosen top tension.
2.forming loops on bottom of cloth====Tighten top tension
3.Bobbin placed in case incorrectly===remove and replace
4.Bobbin thread slipped from under====check threading of
5.Lint or thread in top tension=======clean between tension discs
Thank you and good luck.
Posted on Jun 17, 2011
Has the bobbin case dislodged and moved? there should be two red marks one on the bobbin case and one on the outer holder, are they lining up? Sometimes as these cases are held by a magnet, they will get dislodged and move slightly, especially in a jam up.
Take out the bobbin case and clean under it, then replace it matching up the red marks.
If the bobbin case has actaully been struck by the needle during a dislodgement, it may well pierce the bobbin case plastic, look for burring or marks on the outer flange area. If this has occured, the thread may catch on the burr as it comes over the bobbin and jam again.
You can buy a new bobbin case if yours is damaged or maybe just file the burring with an emery board (remove it from the machine first of course).
Lastly, check your needle hasn't been bent, burred, or put in backwards, any of these can prevent a stitch from forming.
If all the above fails, then it is possible that the timing has been knocked out and you will need to get it serviced by a technician.
Posted on Oct 17, 2011
SOURCE: I am having trouble getting my singer 6199 sewing machine to sew. The top thread will not pick up bot thread. I tried changing needle, changing bobbin, rewinding bobbin, rethreading machine & bobb
did you get the needle in correctly--all the way up into the needle holder
& the flat side of the needle goes to the back of the machine
also after you check the needle & it's in correctly it's very possible that the machine is out of time & a sewing machine repair technican would have to retime the machine
Posted on Mar 01, 2012
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