XR-6600 FAQs & Troubleshooting XR-6600 Not your product? Sort by Updated Date Popularity 4 Results 1. 03/07/2015 How do I install the bobbin wound with thread? 2. 07/05/2015 How do I wind the bobbin? 3. 10/06/2009 How do I draw up the lower thread? 4. 06/11/2007 How do I correctly install a bobbin? More FAQs (English only) Getting Ready FAQs & Troubleshooting