Pfaff Industrial 3307-1 Series, Instruction Manual, Page: 31 / 130

Setting up
31
9
.03
Threading the sewing threads on the subclass -4/.. and -5/..
Switch off the machine!
Danger of injury if the machine is started accidentally!
●
Thread needle thread as shown in Fig. 9 - 03 .
●
By turning milled screws 1 and 2 adjust the tension of the needle thread to avoid material
puckering or thread breakage.
For thin, soft materials a lower thread tension is required, for thicker fabrics a
higher thread tension.
Thread the needle from the front!
Fig. 9 - 03
103-003
1
2
104-020