15 BA_560_A4_180619_en
Fig. 7
4.4
Depending on thread quality, nature and thickness of the thread and the fabric
the thread tension is set by means of upper tension nut (1) (
Thread tension (upper thread tension)
Fig. 7).
4.4.1
By turning lower tension nut (1) (
Setting the thread length at the beginning of the seam
(lower thread tension)
Fig. 7) to the right the thread length at the
beginning becomes shorter, turning it to the left it becomes longer.