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Inner Rotary Hook (lower Thread) Tension Adjustment - Brother NX600 Service Manual

Computerized sewing machine.
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Adjustment (Main Unit)

Inner rotary hook (lower thread) tension adjustment

1. Set a bobbin (wound with Schappe Spun Sewing Thread thread #60) in the inner rotary hook.
2. Pull the thread with a tension gauge, and adjust the spring adjusting screw so that it is 0.1 – 0.12 N (10 – 12 g).
Tension gauge 30 (0.3 N)
4 - 16


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