Brother International LS2-F52A Instruction Manual - English - Page 23

8. STANDARD ADJUSTMENTS 8-11.Adjusting the presser foot movement amount Movement amount for lifting presser foot Movement amount for vibrating presser foot • Vibrating presser foot 0 and lifting presser foot 0 move up and down alternately. • Normally, vibrating presser foot 0 and lifting presser foot Q operate to the same height in their vertical motions. • The maximum height of vibrating presser foot 0 and lifting presser foot 0 is 5.0 mm. 5.0mm If changing the movement amounts of both the lifting 5.0mm presser foot and vibrating presser foot simultaneously, use method (A); if increasing the movement amount for only one (thereby decreasing the movement of the I other), use method (B). Method (A): Simultaneous adjustment of the movement amount for both the lifting presser foot and vibrating presser foot 1. Loosen nut O. O O O 2. Move nut 0 up or down as suitable to the work. (Raise the nut 0 for increasing motion; or lower it for decreasing motion.) Q. 3. Tighten the nut 0 Raise 0 Lower 0 O O O Method (B): Adjustment of the movement amount for the vibrating presser foot 1. Loosen the vibrating presser bar screw 0 and lower the presser bar lifter 0. 2. While holding the vibrating presser foot 0, loosen the bolt 0 and then move the presser foot 0 up or down as necessary. 3. After positioning the vibrating presser foot 0, tighten the bolt 0. 4. Tighten the vibrating presser bar screw 0. - 21 - LS2-F52A