22
MECHANICAL ADJUSTMENT
BUTTONHOLE FEED BALANCE
TO CHECK:
WHEN SEWING THE BUTTONHOLE, THE STITCHES ON EACH SIDE OF THE
BUTTONHOLE SHOULD BE THE SAME STITCH DENSITY.
THE RANGE OF 9-12 STITCHES IN THE RIGHT SIDE ROW “BACKWARD FEEDING”,
AGAINST 10 STITCHES IN THE LEFT SIDE ROW “FORWARD FEEDING”, IS CONSIDERED
ACCEPTABLE.
ADJUSTMENT PROCEDURE:
1.
CONFIRM THE STITCHES BY SEWING BUTTONHOLES, AND REMOVE THE CAP.
2.
TURN THE ADJUSTING SCREW IN THE DIRECTION OF (C) IN THE CASE OF A
(RIGHT STITCHES ARE COARSE), OR IN THE DIRECTION OF (D) IN THE CASE OF B
(LEFT STITCHES ARE COARSE).
3.
MOUNT THE CAP.
A
B
FORWARD FEEDING
BACKWARD FEEDING
ADJUSTING SCREW
NOTCH
CAP
(D)
(C)