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d) Setting the bar tack density
The material feed must be zero when sewing the bar tack. A minimum feed in the
direction of reverse stitch is permissible.
Correction:
- Remove belt cover
-
Set buttonhole knob to 2
- Open stitch length knob 29 half a revolution from the zero position. The mark on
the front of the knobb is now underneath.
-
Loosen screw 1 52 slightly.
-
Set dog 1 53 with eccentric key 398 0 9 1 03.
- Check material feed
-
Tighten screw 1 52
-
Check bar tack density again with buttonhole position 2 and
4.
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