ULT2001/2001N/2001C/2002D/2003D FAQs & Troubleshooting ULT2001/2002D/2003D Not your product? Sort by Updated Date Popularity 3 Results 1. 12/12/2018 It is difficult to pass the thread through the needle bar thread guide(hook). 2. 01/24/2014 How do I thread my machine? 3. 04/07/2009 Place a spool of thread on a spool pin. Getting Ready FAQs & Troubleshooting