Pfaff 3588-04/020 - Needle Threading and Tension

Preparation
9 - 4
9.04 Threading the needle / adjusting the needle thread tension
● Lower presser foot 1 (number key 2).
(Thread trapper 2 opens).
● Thread the needle according to Fig. 9-04.
● Adjust the needle thread tension by turning knurled screws 3.
● Raise presser foot 1 (number key 2).
(Thread trapper 2 closes.)
The secondary tension can be adjusted by turning knurled screw 4.
Fig. 9 - 04
1
4
3
2