17
BUTTONHOLE FEED BALANCE
TO CHECK:
WHEN SEWING BUTTONHOLE, THE STITCHES ON EACH SIDE OF BUTTONHOLE SHOULD
BE THE SAME STITCH DENSITY.
THE RANGE OF 9-11 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 CASE OF "A"
(RIGHT STITCHES ARE ROUGH), OR IN THE DIRECTION OF "D" IN CASE OF
"B" (LEFT STITCHES ARE ROUGH).
3.
MOUNT THE CAP.
MECHANICAL ADJUSTMENT
CAP
NOTCH
ADJUSTING SCREW
D
C
FORWARD FEEDING
BACKWARD FEEDING
