20
MECHANICAL ADJUSTMENT
BARTACK FEED OF BUTTONHOLE
To check:
The acceptable bar-tack feeding of buttonhole should be 1 mm or less in 20 stitches when the stitch
length dial is set at “4”.
Adjustment procedure:
1. Set the pattern selector dial at " ".
2. Set the stitch length dial at “4”.
3. Remove the top cover (see page 1).
4. Attach the buttonhole foot.
5. Place a sheet of paper on the feed dog, and lower the foot.
6. Turn the balance wheel toward you and check the feeding.
1) If the paper moves backward (in the direction of “C”), loosen the upper nut (A), then turn the
lower nut (B) clockwise.
2) If the paper moves forward (in the direction of “D”), loosen the upper nut (A), then turn the
lower nut (B) counter-clockwise.
7. Tighten the upper nut (A). Be careful not to turn the lower nut (B).
Buttonhole foot
Paper
Nut (A)
Nut (B)
