Smart Parts 100 s Sewing Machine User Manual


 
23
Buttonholes
Prepare
1. Take off the standard foot and attach the buttonhole foot.
2. Measure diameter and thickness of button and add 0.3 cm (1/8”)
for bar tacks; mark buttonhole size on fabric.
3. Place fabric under the foot, so that marking of the buttonhole foot
aligns with marking of fabric. Lower the foot, so that the center
line of the fabric buttonhole come to the center of the foot hole.
Adjust the stitch length dial in the "
" to set stitch density.
Set stitch width control between "4" - "6".
Note: density varies according to the fabric. Always sew a test buttonhole.
Follow the 4-step sequence changing from one step to another
with the stitch pattern selector dial. Take care not to sew too many
stitches in stages 1 and 3. Cut buttonhole open from both ends
towards the middle.
Tips:
- Slightly reduce upper thread tension produce better results.
- Use a backing for ne or stretchy fabrics.
- It is advisable to use heavy thread or cord for stretch or knit
fabrics.
- The zigzag should sew over the heavy thread or cord.