18
MECHANICAL ADJUSTMENT
BUTTONHOLE FEED BALANCE
TO CHECK:
WHEN SEWING BUTTONHOLE, THE STITCHES ON EACH SIDE OF BUTTONHOLE
SHOULD BE THE SAME STITCH DENSITY.
THE RANGE OF 9-12 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 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.
A
B
F
ORWARD FEEDING
BACKWARD FEEDING
ADJUSTING SCREW
NOTCH
CAP
(D)
(C)