GS2520 FAQs & Troubleshooting GS2520 Not your product? Sort by Updated Date Popularity 3 Results 1. 17/11/2015 How do I install the bobbin wound with thread? (For models equipped with a quick-set bobbin) 2. 27/07/2012 How do I draw up the lower thread by hand? (For models equipped with a quick-set bobbin.) 3. 27/07/2012 How do I wind the bobbin? Getting Ready FAQs & Troubleshooting
