Service manual

S-311
e-mail: [e-mail]; [e-mail]; website: www.amfreece.com
Phones: [phone] (Service); [phone] (Spare Parts); Fax: [phone]
Revised 03/2006
1-26
30
1.2
0.0
50
0.0
+
-
+
-
20
389
CT 20
Ready
100001 0
J
B
Buttonhole length L
Cutting length
(mm)
(mm)
L L
1 1
min maxto
L
6
recomended
L min.
1
L max.
11 max.
L max.
1
L max.
7
recomended
10
1
1
1
2
1
3
1
4
D - MACHINE CONTROLS
3.2 - setting the first and the second row of stitches
Caution!
If
?
appears on the display, the total of the length of a buttonhole and the flybar length is exceeded. The length
of a buttonhole is automatically set to 23 and length of a flybar to 7.
The S311 CT machine is supplied to sew the buttonholes with flybar. The various clamp feet are supplied with the
machine. The length of cutting L
1
is marked on the clamp feet (e.g.16-20 mm). To trim the lower threads, the
lengthe of a buttonhole L must be set in range 23-27 mm (for clamp feet 16-20 mm). If the upper thread is
unthreaded from a needle after trimming the thread, and it is not caught by a thread pick-up, decrease the number
of stitches in the flybar by 1 stitch.