Inner Rotary Hook (Bobbin Thread) Tension Adjustment - Brother CS8000 Series Service Manual

Adjustment (Main Unit)
1. Set a bobbin (wound with Schappe Spun Sewing Thread #60) in the inner rotary hook and thread.
2. Pull the thread with a tension gauge, and adjust the tension adjusting screw so that it is 0.1 – 0.12 N (10 – 12 g).
3. Apply a small amount of screw locking compound to the spring adjusting screw.
XA9153001
Schappe Spun
Sewing Thread #60
www.promelectroavtomat.ru

Inner rotary hook (bobbin thread) tension adjustment

Tension gauge 30 (0.3 N)
0.1 - 0.12N
(10 - 12g)
Spring adjusting screw
4 - 17