Page 19/19
Original issue
Jun. 2012
Service Manual
HZL-12Z
Model
14. ADJUSTING BUTTONHOLE PITCH BALANCE
*Adjust the length control dial among indicated range for BH sewing.
*It is possible to change forward pitch with length control dial in this model. Follow the
following directions to change backward pitch though it is usually fixed.
1. Adjust backward pitch by turning a screw(1). When not removing a face cover, put
in a screw driver from an eyehole of a face cover top and turn a screw(1).
Turn it in clockwise direction → Backward pitch becomes bigger
Turn it in anticlockwise direction → Backward pitch becomes smaller
2. Adjust backward pitch as follows.
10 - 15 stitches in 5 mm
backward
5
mm
1
2