4234DT
FAQs & Troubleshooting |
Threads break
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Improper threading
Thread correctly.
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Thread tangled
Check spool pin, thread holders, etc. and remove tangled thread.
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Thread tension too tight
Adjust the thread tension.
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Needles incorrectly installed
Install needles correctly.
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Wrong needle used
Use correct needle
Schmetz 130/705H - suggested
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The tip of the thread change assembly is not in the eye of the upper looper.
Put the tip of the thread change assembly in the eye of the upper looper.
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