Buttonhole's Forward And Reverse Adjustment - Singer Inspiration 4228 Service Manual

Setting

Buttonhole's Forward and reverse adjustment

Check
When a button hole is selected the machine first retreats, makes the bar tack, advances, ma-
kes the other bar tack and stops.
If the procedure is not correct:
Adjustment One-step buttonholer
1. Loosen the nut (a).
2. Rotate the eccentric stod to reach the correct condition.
3. Tighten the nut (a).
Note! This Setting influence the Buttonholer stitch density
balance
Adjustment 4-step buttonholer
1. Set the pattern selector at buttonhole position.
2. Loose the nut (a) and turn screw (b) clockwise or coun-
ter clockwise to reach a quantity of stitches in the sides of
buttonhole, between 55 and 65 at 25 mm of sewing.
3. Tighten the nut (a).
4. Re-check and make a complete buttonhole test and
readjust if necessary.
28 Singer Inspiration