Service manual

Revised 11/2010
E-mail: service@amfreece.cz; parts@amfreece.cz; website: www.amfreece.com
Phone: +420 582 309 286; Fax: +420 582 360 606
S-105
1-36
D - MACHINE ADJUSTMENT
The amount of the thread required for sewing another buttonhole changes with the conditions and quality of the
sewn workpiece. Thin materials usually require more thread at the beginning of sewing than thick materials. If
more than one kind of f
abric is being sewn, it is suitable to make the adjustment on the thinnest/lightest fabric.
10.1. Thread tensioner tilts in the direction X when the machine sews the buttonhole eye. Do the adjust-
ment when ithe machine is in the home position. (When CA set up)
10.2. To obtain thread Ê beginning as long as possible, loosen the screws Ë and turn the cam Ì all the
way to the point with the pin Í at the cam stroke Ì. Then tighten the screws well Ë. To shorten
the length of the thread Ê at the beginning of sewing, adjust the position of the cam Ì in the
direction of the arrow A as needed.
10. UPPER THREAD TENSION
ÊÊ
Ê
Ê
Ê
ËË
ËË
Ë
ÌÌ
Ì
Ì
Ì
ÍÍ
ÍÍ
Í