Brother International S-7200B Service Manual - Page 36

6. ADJUSTMENTS 6-7. Adjusting the feed dog angle Raise the front Lower the front 3697M Parallel Raise the front Needle plate The standard angle for the feed dog (1) when it is at its highest position above the needle plate is when the " " mark (or V groove) on the shaft (2) is aligned with the feed rocker bracket arm (3) and the feed dog (1) is parallel to the needle plate. 1. Turn the machine pulley to move the feed dog (1) to its highest position above the needle plate. 2. Tilt back the machine head. 3. Loosen the two set screws (4). 4. Turn the shaft (2) in the direction of the arrow within a range of 90° with respect to the standard position. (Fig. [C]) ・In order to prevent puckering, lower the front of the feed dog (1). ・In order to prevent the material from slipping, raise the front of the feed dog (1). 5. Securely tighten the two set screws (4). * If you would like to tilt the feed dog (1) further, turn the feed lifting rock bracket stud (5) while carrying out the above adjustment. (Fig. [D]) (Refer to "6-6. Adjusting the feed dog height" on the previous page for details of this operation.) * The height of the feed dog (1) will change after the angle has been adjusted, so it will be necessary to re-adjust the height of the feed dog (1). Standard Lower the front 2284M Back is lowered Standard Back is raised Raise the front Standard Lower the front 2285M 29 S-7200B