Buttonhole Adjustment (Bar Tack Feeding) - Brother BL6200 Service Manual

21. BUTTONHOLE ADJUSTMENT (BAR TACK FEEDING)

1 STEP BH MODEL (B338 ⋅ B341 ⋅ B347 ⋅ B348 ⋅ B349 ⋅ B351 ⋅ B352)
STANDARD
The feeding of bar tack should be less than 1 mm/10 feedings.
ADJUSTMENT
1. Set pattern dial to "1" (Buttonhole).
2. Loosen the nut for bar tack feeding adjusting screw.
3. Adjust the screw.
If forward feeding is obtained ................................... Turn screw counterclockwise.
If back feeding is obtained ........................................ Turn screw clockwise.
4. Tighten the nut.
4 STEP BH MODEL (B346)
STANDARD
The feeding of bar tack should be less than 1.0 mm/10 feedings.
ADJUSTMENT
1. Set pattern dial to "ac".
2. Loosen the nut for bar tack feeding adjusting screw.
3. Adjust the screw.
If forward feeding is obtained ................................... Turn screw counterclockwise.
If back feeding is obtained ........................................ Turn screw clockwise.
4. Tighten the nut.
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