Sewing machine tension problems, cleaning hook and bobbin case area, and adjust bobbin tension.
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Consew 206RB Industrial Walking Foot Sewing Machine
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Re-assembling the shuttle hook mechanism on a front load 15 class sewing machine
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Solving Threading Problems and other Issues
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How To Properly Care For Your Bobbin Case
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Scrapping a BABY...Sewing Machine
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Adler Industrial Sewing Machine 267 GK-373
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[Solved] Needle not catching the bobbin thread
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