Brother International S-7220B Instruction Manual - English - Page 58
Adjusting of the feed dog height, Tighten the screw 2.
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13. STANDARD ADJUSTMENTS 13-6. Adjusting of the feed dog height 1.0 mm 1.2 mm The standard height of the feed dog (1) when it is at its maximum height above the top of the needle plate is 1.0 mm for -4[]3 specifications, and 1.2 mm for -405 specifications. Becomes higher Becomes lower 3764M 1. Turn the pulley until the feed dog (1) rises to the highest position. 2. Tilt back the machine head. 3. Loosen the screw (2). 4. Turn the feed lifting rock bracket stud (3) within a range of 90° from the reference line (4) to adjust the vertical height of the feed bar (5). (Fig. [A]) 5. Tighten the screw (2). * If you are worried about the angle of the feed dog (1), turn the shaft (6) while carrying out the above adjustment. (Fig. [B]) (Refer to "13-7. Adjusting the feed dog angle" on the next page for details of this operation.) 3765M Becomes higher Needle plate Becomes lower Becomes higher 3766M Becomes higher Becomes lower 51 Becomes lower 3767M S-7220B