The stitches my sewing machine is producing are too large on the bottom making me think the bottom tension is out ... because I have lost the manual and it is an old machine I'm not sure which way to turn the screw down the bottom to tighten - does anyone know which way to turn the screw?
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Re: Globe Cub 7 sewing machine
Hi Quinny1420...If you are certain that it is a tension issue, first ensure that your upper threading is correctly inserted/passing through the upper tension discs, and the general upper tension starting point is between 3.5 and 5.5. Increase the upper tension to pull up loose stitching on the bottom. Last resort is to alter your bobbin tension. Clockwise to increase, and counter-clockwise to decrease. Turns should only be made in 1/5 increments between test sews.....Please update your post of your progress...good luck my friend
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I would start by re winding your bobbin and making sure that it is done though all the correct tension loops. A bobbin that is wound to tight or loose can cause all sorts of problems. If that has been done then completely rethread the machine from scratch. Now go through and check all your tensions, it sounds like the bobbin tension is too loose and your stitch tension is too tight. Adjust and try again.
I think you are saying that there is a loop showing on the bottom of the lower thread stitch. If the lower stitch looks correct and not bunching, you will need to change the tension on the upper stitch. Make sure that your threads are firmly inserted within the discs also before adjusting the tension. It doesn't take much to change the tension so take it slowly.
Hi Leann: Think about how a sewing machine works. Now think about what kind of difference an 1/8th of an inch distance would make. Yes. You will need to adjust your top tension when you do free motion work. Keep in mind that plate is not just stopping your feed dogs from working... it's holding your materials that far away from the bed of the machine... so when the thread makes a loop and tightens for the stitch it has the extra 1/8th of an inch to make up for... if the tension isn't right... you got loops. There are no "specific" settings for tensions... you learn by doing you stitch a few stitches on like materials and tighten until you see a good stitch.
try changing the needle--flat side to the back of machine try adjusting the tension one number up--if it doesn't help put the tension back where it is check to make sure the bobbin is in correctly also check to make sure the bobbin is wound correctly it's also possible that the machine is out of time which means a sewing machine repair shop would have to refix the timing of the machine, because they have the tools for the job
Make sure you have the right size needle...not to small. Then do a simple seam through three layers (doesn't need to be a seam just sewing through 3 layers of scrap) using a wide zig zag stitch. Examine the stitch looking at both sides. Do they look even, identical?
Think in opposites, ie the bottom thread tension affects the stitch on the top side and the thread tension on top affects the stitch on the bottom side. If one side is loopy then the opposite side tension is too loose (or, sometimes that side's tension is too tight). Adjust until both sides are identical looking. Then try stitching in the ditch like you wanted to.
Usually thread too loose on the bottom is caused by the upper tension being too loose. The top and bottom tensions work together with the top thread making the underside of the stitch seem too taunt or too loose and the bobbin thread causing the top side of the stitch to be loopy or too tight. Select a large zig zag stick and sew a couple of inches. Then examine the stitch. It should look identical on both sides. Look to see which side is drawn too tight, the zig zag being smaller on that side with threads from the bottom threads pulled through. Then adjust the two tensions so that they make a uniform, identical stitch.
Also, when the bobbin tension is right you can hold the bobbin dangling by the thread and it won't spool out to the floor but will let loose a bit with a slight flick of the wrist. Too loose it will just spool out. Too tight and it won't drop at all. When you get that set right then do the above zig zag test to see where the top tension should be set.