Lower Thread Tension (Inner rotary hook)
Standard： Pull a thread and adjust to 0.13 to 0.14N (13 to 14g).
1. Set the bobbin (Metrosene Thread #50) in the inner rotary hook.
2. Pull the thread with tension gauge and check the tension.
*Adjust the tension by turning the screw.
After adjusting, apply a small amount of Thread-lock to the screw.
0.13 – 0.14 N (13-14 g )
Video available on-line
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