Inner Rotary Hook Tension Adjustment - Baby Lock BLSY Service Manual

Adjustment
Bobbin case with green screw (for embroidery)
1. Set a bobbin (wound with Schappe Spun Sewing Thread #60) to the inner rotary hook.
2. Pull the thread with a tension gauge, and adjust the tension to 0.10 to 0.12N (10 to 12g) using the spring adjusting
screw.
3. Apply a small amount of screw lock agent to the spring adjusting screw.
XA9153001 Tension gauge 30 (0.3N)
Schappe spun sewing thread #60

Inner rotary hook tension adjustment

Spring adjusting screw
(color : green)
0.10 - 0.12N (10 - 12g)
4 - 17