For threading a sewing machine, it is necessary to traverse it and join two threads: one of the bobbin (below) as well as the spool (above). Also, you must thread the spool if it's...
Category: SINGER | 4423 Heavy Duty Sewing Machine
The Most Common Problems On A Singer 4423 Sewing Machine And Their Solutions
Problems And Solutions - Singer 4423Problems CausesSolutionsThe upper thread break1. The machine is wrongly threaded.2. The thread tension is too tight.3. The thread is too thick for the...