JK17B FAQs & Troubleshooting JK17B Not your product? Sort by Updated Date Popularity 3 Results 1. 03.04.2023 How do I draw up the lower thread by hand? (For models equipped with a quick-set bobbin.) 2. 21.01.2016 How do I wind the bobbin? 3. 17.11.2015 How do I install the bobbin wound with thread? (For models equipped with a quick-set bobbin) Getting Ready FAQs & Troubleshooting