My Pfaff Expression 2034 sewing machine is suddenly making an almighty mangled mess at the bottom - it doesn't matter how I re-set the tensions. What can be the problem?
Sewing Machines - PfaFF
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Answers & Comments
Be sure to use a brand new needle.
Remove the upper thread and bobbin. Reinstall the bobbin making sure it is turning the correct direction and threaded properly in the bobbin case.
RAISE the presser foot and rethread the top thread. Confirm the thread pathway is correct.
Most often, knots (thread nests) occur under the fabric because the machine is misthreaded or the thread is not seated completely in the tension disk.
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