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SEWINGMACHINEDtV.20 MODEL384.15358
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. CHECK THE FEED BALANCE BY SEWING BUTTONHOLES.
2. REMOVE THE CAP ON THE FRONT COVER.
3. TURN THE ADJUSTING SCREW IN THE DIRECTION OF (C) IN CASE OF (A) (RIGHT
STITCHES ARE COARSE), OR IN THE DIRECTION OF (D) IN CASE OF (B) (LEFT
STITCHES ARE COARSE).
4. MOUNT THE CAP.
f
/ °/
x 0 x
(c)
CAP
NOTCH
FORWARD FEEDING BACKWARD FEEDING
SCREW
21