22
MECHANICAL ADJUSTMENT
(FOR MODEL 419S/423S)
BUTTONHOLE LENGTH
TO CHECK:
BUTTONHOLE SHOULD BE ABOUT 3 MM LONGER THAN THE LENGTH SET BY R FOOT.
IF THE BUTTONHOLE LENGTH IS OUT OF STANDARD RANGE, CHECK AND ADJUST
AS FOLLOWS.
ADJUSTMENT PROCEDURE:
1. REMOVE THE FACE COVER (SEE PAGE 4).
2. TURN THE ADJUSTING SCREW IN THE DIRECTION OF (A) IF THE BUTTONHOLE
STITCH LENGTH IS LONGER THAN THE STANDARD, OR IN THE DIRECTION OF (B)
IF THE BUTTONHOLE STITCH LENTH IS SHORTER THAN THE STANDARD.
3 ATTACH THE FACE COVER.
ABOUT 3MM
STANDARD
(A)
(B)
ADJUSTING SCREW
BUTTONHOLE LEVER
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