Many tension issues may be caused by an issue with your bobbin case. Always investigate your bobbin case for any burrs, scratches, or holes from broken needles. This is the black unit that holds your clear bobbins. If you have any of these issues, you’ll need to replace your bobbin case.
This bobbin case will work with the following Juki computerized models and travel machines: Juki HZL F600, Juki HZL F400, Juki HZL F300, Juki DX5, Juki DX7, Juki DX 1500 QVP, Juki DX2000 QVP, Juki DX3000 QVP, Juki HZL NX7 Kieri, Juki HZL G220, Juki HZL G120, Juki HZL LB5020, Juki HZL LB5100, Juki HZL 70HW A sewing machines
