Pfaff expression 2014 Service Manual page 49

Check:
Set the needle thread tension at "5".
Set stitch pattern "03" for zigzag and the stitch width at "6.0".
Set the stitch length at "2.0".
Place a piece of fabric under the zigzag foot and sew.
Select stitch pattern "01" for straight stitch and set the stitch length at "2.5".
Sew with straight stitch.
Adjustment:
First turn milled nut 57 fully to the left (fig. 51).
Set zigzag stitch "03", stitch width "6.0", and stitch length "2.0".
Sew with zigzag stitch.
At the same time turn the milled nut gradually in clockwise direction, until the knot is formed in the
center of the fabric (fig. 47).
Cross-check:
Sew with straight stitch and zigzag stitch as described under "Check".
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