![Singer Heavy Duty - Adjusting Bobbin Tension, Please read the Description before posting questions. - YouTube Singer Heavy Duty - Adjusting Bobbin Tension, Please read the Description before posting questions. - YouTube](https://i.ytimg.com/vi/-FI23OOjVMw/sddefault.jpg)
Singer Heavy Duty - Adjusting Bobbin Tension, Please read the Description before posting questions. - YouTube
![How to adjust the Tension on a Vintage Long Bobbin Sewing Machine - 1934 Singer 128K Indian Star | Sewing machine, Vintage sewing machines, Sewing machine repair How to adjust the Tension on a Vintage Long Bobbin Sewing Machine - 1934 Singer 128K Indian Star | Sewing machine, Vintage sewing machines, Sewing machine repair](https://i.pinimg.com/originals/dc/c7/c8/dcc7c8909d3778685aa17e42b309e5c0.jpg)
How to adjust the Tension on a Vintage Long Bobbin Sewing Machine - 1934 Singer 128K Indian Star | Sewing machine, Vintage sewing machines, Sewing machine repair
![Singer Heavy Duty - Adjusting Bobbin Tension, Please read the Description before posting questions. - YouTube Singer Heavy Duty - Adjusting Bobbin Tension, Please read the Description before posting questions. - YouTube](https://i.ytimg.com/vi/-FI23OOjVMw/maxresdefault.jpg)