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Shirley Estrada DDSAug 2, 2025
How to fix breaking upper thread on Siruba Sewing Machine?
- LLuke SinghAug 2, 2025
If the upper thread is breaking on your Siruba Sewing Machine, consider the following: readjust the zigzag width if it's faulty; re-thread the machine to ensure proper threading; reduce the upper thread tension if it's too tight; replace the needle if it's bent; and polish or replace the bobbin case if it has scratches or nicks.