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Try these fixes:
Rethread your machine
It may be threaded incorrectly. And when you rethread it, make sure your thread goes in between your tension disks. (If you don’t know where your tension disks are, consult your machine’s manual.)
Check your tension disks for dirt or lint
Lint or dirt between your tension disks may be keeping your tension from working properly. Clean out any you find. (If you’re not sure where your tension disks are, consult your manual.)
Change your needle
It may be damaged. And make sure your needle is appropriate for your type of fabric and thread.
If the loops are on the top side of your fabric:
Decrease the upper thread tension on
your machine
It may be too tight.
Increase your bobbin tension
If your sewing machine allows you to adjust it. Consult your manual.
Rethread your machine
It may be threaded incorrectly.
If the loops are on the under side of your fabric:
Increase the upper thread tension on your machine
It may be too loose.
Decrease your bobbin tension
If your sewing machine allows you to adjust it. Consult your manual.
Rethread your bobbin
It may be threaded incorrectly.
Reinsert your bobbin
It may be inserted incorrectly.
For loops on either side of your fabric:
Change your thread
If your upper thread and bobbin threads are different types, try using the same thread for both.
Change your stitch length
It may be too long or too short for the type of fabric you're sewing.
Change your presser foot
Use the kind of presser foot most appropriate for your fabric. Consult your machine’s manual for recommendations.
Change your thread
If your upper thread and bobbin threads are different types, try using the same thread for both. Or your thread may be too thick for your fabric – especially if you’re sewing a sheer, lightweight fabric.
Don’t stretch your fabric as you sew
Just guide your fabric, letting it feed on its own.
Change the pressure of your presser foot
It may be too light or too heavy for your fabric.
Change your needle plate
If you’re using a needle plate with a wide hole and sewing a thin or sheer fabric, your fabric may be getting pushed into the hole as you sew. Try switching to a needle plate with a small hole (a straight stitch needle plate).
(Important: After changing your needle plate, check to make sure your needle aligns perfectly with this smaller hole before starting to sew. A misaligned needle could hit the plate and break, which could be dangerous. And make sure to change your needle plate back for zigzag and other wide stitches.)
Use a stabilizer underneath your fabric
If you’re sewing a thin or sheer fabric, this may stop the puckering.
You may need to replace an upper or lower tension unit if none of the above help Contact us for free advice and assistance. |
