Question about Sewing Machines
If you are getting thread globbed all over the underside of the fabric, this is called bird nesting or thread nesting and generally results from mis-threading, thread not seated in the tension disk properly, or the upper tension too loose.
When threading the upper thread, ALWAYS RAISE the presser foot. Verify the thread path is correct--missing one guide will mess up the stitching. Set the upper tension at the midway point--the standard tension starting point, although it may need tweaking for your particular machine.
Birds nest under the fabric big loops of thread top side looks good...
Sewing Machine Thread Bunching Up Here Why
What causes Bird Nests Superior Threads
BTW--in general terms, when thread messes up on the underside of the fabric, it is an upper thread issue. If the thread mess appears on top of the fabric, it is a bobbin issue...
Posted on Dec 23, 2016
Adjust your top tension if it's too tight. To decrease your top tension if it is too tight, turn your knob so the numbers are decreasing. Try ½ to 1 number lower, then test the stitches on a piece of scrap fabric. Continue until it looks even on both sides and you can no longer see the bottom thread on the top.
Posted on Dec 23, 2016
Testimonial: "I have already been through all of that. Topstitches are doing OK but I am getting loops at the bottom and they stitch at the bottom is all over the backside."
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Posted on Jan 02, 2017
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