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