Brother International S-7200B Service Manual - Page 35

6. ADJUSTMENTS 6-6. Adjusting of the feed dog height 0.8mm 1.2mm The standard height of the feed dog (1) when it is at its maximum height above the top of the needle plate is 0.8 mm for -[][]S / [][]3 specifications, and 1.2 mm for -[][]5 specifications. Becomes higher Becomes lower 2279M 3696M 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 "6-7. Adjusting the feed dog angle" on the next page for details of this operation.) Becomes higher Standard Becomes lower Needle plate 2281M Becomes higher Standard Becomes higher Standard Becomes lower Becomes lower 2282M S-7200B 28