Service manual

S-4000 BH Omron
1-18
Released 05/2010
e-mail: [e-mail]; [e-mail]; website: www.amfreece.com
Phone: [phone]; Fax: [phone]
3. THREADING
WARNING! Switch the main machine power off to prevent accidental starting of the machine. Disconnect
the air supply and dissipate any stored energy.
When threading, see the pictures below. Change the thread tension by nut ➊ according to the sewing
conditions. To increase the thread draw off (for example sewing on the thin fabrics) there is an arm ➋
installed on the thread draw off lever.
C - PROPER APPLICATION
The appearance and quality of the buttonhole may be affected by one or more of the follow
ing:
- clamping of the material
- thread tension
- type of thread (size etc.)
- sewing width
- sewn material (thickness, density)