Sewing Machine: Bobbin thread breaks

Clean the shuttle race to because lint and debris in the shuttle race can jam up the bobbin thread. Route the bobbin thread correctly to keep the thread from snagging and breaking

These repairs may help solve your Sewing Machine problem:

Clean the sewing machine

Shuttle race

Clean lint and debris from the shuttle race every 3 months because it often attracts lint and dust. Clean the feed dogs at the same time because they also attract lint and dust. Clean those areas more often when using the sewing machine regularly. Oil the sewing machine after cleaning.

For manuals, repair guides, and specific part recommendations, enter your model number.

Adjust the sewing machine thread tension

Upper thread tension dial

Tight upper thread tension causes skipped stitches. Reduce the upper thread tension when the sewing machine skips stitches. Adjust lower thread tension as necessary to balance with the upper thread tension to create perfect stitches.

For manuals, repair guides, and specific part recommendations, enter your model number.