XR37NT FAQs & Troubleshooting XR37NT Not your product? Sort by Updated Date Popularity 3 Results 1. 09/11/2012 How do I thread my machine? (for models equipped with a needle threader) 2. 02/04/2008 It is difficult to pass the thread through the needle bar thread guide(hook). 3. 07/01/2008 Threading the machine. More FAQs (English only) Getting Ready FAQs & Troubleshooting