XR4040 FAQs & Troubleshooting XR4040 Not your product? Sort by Updated Date Popularity 3 Results 1. 09/25/2019 How do I draw up the lower thread by hand? (For models equipped with the quick-set bobbin) 2. 07/03/2015 How do I install the bobbin wound with thread? (For models equipped with the quick-set bobbin) 3. 05/07/2015 How do I wind the bobbin? Getting Ready FAQs & Troubleshooting