Buttonhole Feed Balance - ELNA 6125QC Service Manual

Mechanical Adjustment

Buttonhole Feed Balance

When sewing a buttonhole with the BH pitch balancing lever set at the neutral position, the stitches on each
side of the buttonhole should be of the same stitch density.
A range of 9–12 stitches in the "backward feeding" (right side row) against 10 stitches in the "forward feeding"
(left side row) is considered acceptable.
Adjustment procedure:
1. Sew a test buttonhole.
2. Loosen the setscrew in the ring.
3. If the left row (backward feed) is less denser (A): Rotate the ring in the direction of (C).
4. If the left row (backward feed) is denser (B): Rotate the ring in the direction of (D).
BH pitch balancing lever
Ring
(D)
(B)
(C)
(C)
Setscrew
24