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