Adjustment Of Inner Rotary Hook Tension - Brother BL6200 Service Manual

30. ADJUSTMENT OF INNER ROTARY HOOK TENSION (B338 ⋅ B341 ⋅ B346 ⋅
B347 ⋅ B348 ⋅ B349 ⋅ B351 ⋅ B352)
STANDARD
When pulling polyester thread #60 through slowly, inner rotary hook tension should be 10 ~ 12g.
ADJUSTMENT
1. Thread polyester thread to inner rotary hook correctly and pull it slowly by using tension gauge.
2. Adjust thread tension by using screwdriver.
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