BM-3500/2600 FAQs & Troubleshooting BM-3500/2600 Not your product? Sort by Updated Date Popularity 5 Results 1. 07/03/2015 How do I install the bobbin wound with thread? (For models equipped with the quick-set bobbin) 2. 07/03/2015 How do I wind the bobbin? 3. 01/17/2011 How do I pick up the lower bobbin thread? 4. 04/07/2009 How do I correctly install a bobbin? 5. 03/04/2009 How do I wind the bobbin? Getting Ready FAQs & Troubleshooting