3-21 Forward and reverse stitching
in buttonhole sewing (feeding
pitch of reverse and forward
stitching is not even)
- Sew the right side by setting the selector
dial at " " and then the left side by setting
at " " (only for 4411/5511).
- Set the pattern selector dial to " ".
- Set the stitch length dial at "0.5" to "1".
- To sew by using thread in effect, to conrm
delivery amount of forward and backward.
(1) If forward and backward delivery amount
not match, adjust by turning screw (a)
of pattern cam contact plate clockwise /
counter-clockwise. (2)
Counter-clockwise = strong
Clockwise = weak
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