Alfa Network 233 Owner's Operating And Maintenance Manual page 21

19
MAKING BUTTONHOLES AUTOMATICALLY
(MODELS 233 BH and 236 BH 333 BH and 336BH only)
First, mark the beginning and end of the buttonhole on fabric with a nbasing
line or tailor's chalk, Make one on scrap fabric (following directions below)
to be sure machine adjustments are correct.
1, Replace presser foot with buttonhole foot which is grooved deeply
underneath to prevent piling up of threads. (See Fig. 29 A)
2 Set the stitch width at approximately number 2 by locking the left stop
adjustment screw (3 Fig 1, Page 2) and lock the right stop adjustment
screw at extremely right position. Set the stitch length at approximately
between 0 & 1, Fig. 29-A
3. Set buttonhole lever (Fig. 29--B) at 1, lower needle carefully into mark on
fabric indicating the beginning of the buttonhole, Lower presser foot and
sew The left tide of buttonhole. (Step 1, Fig. 30)
4. Stop machine and raise needle to the highest position, set buttonhole lever
at 2 and sew the bar tack. (Setp 2)
5 With needle at highest position set buttonhole lever at 3 and sew the
right side of buttonhole, (Stepi)
6. Stitch to the starting point of the buttonhole,
Stop machine and raise
needle to the highest position, set buttonhole lever at 4 and sew the bar
tack. (Step 4) Cut the buttonhole opening with the special Tool provided. Fig. 29 B
7, Should you prefer to sew the right side of buttonhole nreverse stitching)
first-start
with
Step 3 and follow with steps 4, 1 and 2. If you wish to
make buttonholes on sheer or Soft material, place thin paper under the
fabric which can be torn away after stitching. It is always advisable to
make several buttonholes on spare fabric before working on the actual
garment.
For buttonholes with more cutting space, set stitch width at less than
,
-,
2 and for less cutting, higher than 2.
Fig. 30