At first my top thread was bunching under the bobbin thread so I tightened the tension. Now my stithces are loose between the stitches and it looks terrible. I am using a straight stitch. I have rethreaded the machine, cleaned out the bobbin case, put in a new needle, changed the bobbin thread, and have oiled the machine.
Does anyone have any suggestions for me?
I don't know if this is the right answer for any of you, but thought I'd put my 2 cents worth in. Often this can be the bobbin in backwards. It needs to unwind a certain way depending on the machine. I've heard a phrase for this: Mind your p's and q's which means some wind off to the right like a q, others to the left like a p. Mine has to unwind one way then be slipped backwards into a little slot or it does that loose bottom thread looping and bunching someone here mentioned. It seems everytime I get that problem I rethread the top thread 100 times before it clicks again and I remember it could be the bobbin thread. Either your manual will tell you the correct way, or you could experiment and try one or the other. Once you figure out whether you're a p or a q, mark it on your machien somewhere to remind yourself.
Your bobbin on that machine should look like a letter P thread coming off the top to the left when you put it in. Make sure your top tension is at 3 and when you thread the top of the machine make sure that your foot that you put the fabric under is up before you start
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You bobbin tension CAN be adjusted. First, thread your machine with different colors in the top and bobbin, set your top tension at its default, and run a line of straight, and then a line of zigzag stitches, and compare the results at the top and bottom. You will be adjusting your bobbin to your top tension. If the top tension looks like a straight line instead of stitching and the zigzag looks like "chicken tracks" instead of a zigzag, but the bottom looks like a zigzag, your bobbin tension is too loose.
Remove the bobbin case, and locate the straight-slot screw. There are generally two; one is a Phillips and one is straight--you want the straight one. Leave the other alone.
The rule is "lefty-loosy, righty-tighty." If your stitching displays the above symptoms, it needs to be tightened, so turn 1/4 turn to the right--no more--then test again. You will need patience, but don't turn more than that. It is easy to do, but if you don't do it systematically, you can make things worse, and very slight adjustments can alter the stitching significantly.
Check he tension on thread and on the bobbin. If you can see THE KNOT ON THE FACE OF MATERIAL then try loosening thread tension on top or tighten bobbin tension so stitch meets in the middle. May take a couple of tries to get it straight.
Hi. Use only sewing machine oil on your sewing machine. You can get it at Jo-ann's, Hancocks, or other fabric/quilting shops--or order it online. Try nancysnotions.com--she has an excellent website. NEVER use WD-40 or 3-n-1 oil.
How often you need to oil your machine depends on how much you use it, but generally you'll need to do it for every 8 to 10 hours sewing time.
Check your manual for your machine's oiling ports, but the general rule of thumb is one drop of oil every place metal moves against metal. Don't use oil on any gears you find--use sewing machine grease instead. You can get it wherever sewing machine oil is found.
The most likely reason your thread is bunching up under the fabric is because your top tension is too loose. Here's how to adjust it:
1. Use a different color thread in the top and in the bobbin. 2. Use good-quality thread and a size 12 needle. 3. Hold the tails of the threads out behind the machine as you start sewing. Let go after a few stitches. 4. Sew a few inches and check your stitch. With the different colors, it's easy to see the loose top thread. 5. Tighten the upper tension just a bit. 6. Repeat--recheck--repeat--recheck 7. The tension is right when you don't see any (or very little) of the bobbin thread on top and you don't see any (or see very little) top thread on the underside.
Hi Lou! This sounds like a tension problem--the tension on the top thread is too loose. Try using different color threads on the top and bobbin, then carefully rethread everything. Stitch a couple of inches and check the underside. If the top stitches look fine and the bottom ones are loose and loopy, and with the pressure foot down, tighten the tension. Move the knob or dial (whichever you have) just a little bit. Sew a couple of inches more, and recheck. Continue to sew and recheck, gradually tightening the tension, until you see little if any bobbin thread on the top or top thread on the underside of the fabric.
I think you are threading the top of the machine incorrectly. Make sure that what I'm saying is correct, use two color threads to sew with- and you will see that it is in fact the top thread that is bunching.
This might be a tension problem. Could be the bobbin is not threaded in the case right. First, check the threading of the bobbin and then check the stitch.
Next, adjust the tension on the bobbin case. There is usually a small screw on the case that can be tightened or loosened. I think you may need to adjust it a bit or adjust the top tension knob, just a small bit at a time. It the top does not change the stitch, then go to the bobbin case and adjust the screw to tighten the stitch a little bit more.
Please do rate this solution as FixYa and revert for further assistance.
Hi, Usually wrap-ups in the bobbin area are caused by the lack of tension on the top thread. The slack arm ( shinny lever that moves up and down while sewing) has to pull the loop around the bobbin case and it does so only if the tension on the top thread is sufficient to keep it from pulling more thread of the spool.
Try this: Thread the top of the machine all the way just short of the needle eye. When the presser foot is up the thread should pull through easily. Now drop the presser foot (this closes the tension discs) and pull the tread while adjusting the upper tension control.
If everything is working correctly you should feel the drag on the thread change if not something is keeping the discs from closing.
Most Janomes aren't too difficult to remove the nose cover, usually just one screw and you can get a look at the thread path. Look for thread wrapped around the mechanism.
Sorry, no easy answer but I hope this helps.
If the top stitch is loose, then you need to tighten the bobbin tension: if the bottom stitch is loose, tighten the top tension. Hope this helps. It could also be the size needle and thread you are using for a particular fabric. Different fabrics require different notions.