9 - 4
Setting up
86-003
Fig. 9 - 06
1
2
9.06 Threading the needle thread and regulating its tension on
model 1571 and 1591
Switch the machine off!
Danger of injury if the machine is started accidentally!
eye guard 1.
● Thread the needle thread as shown in Fig. 9-06.
● On model 1571 the needle is threaded from the right to the left, and on model 1591 from
the left to the right.
● Adjust the needle thread tension by turning milled screw 2.