Setting up
9
Threading the needle thread and regulating its tension on model 574
.07
● Tilt up the eye guard 1.
● Thread both needle threads as shown in Fig. 9-07.
● The left needle is threaded from the right to the left, and the right needle from the left to the
● Adjust the needle thread tensions by turning milled screws 2.
9 - 6
1
Fig. 9 - 07
Switch the machine off!
Danger of injury if the machine is started accidentally!
right.
2