Pfaff 937 - Needle-thread tension release (machines without -900;..)

Adjustment
837
-
14
-
40
11.05.39 Needle-thread tension release (machines without -900/..)
Requirement
With the hand lever raised the tension discs must be approx. 0.5 mm apart.
● Loosen screw 1 and press the connecting rod down as far as it will go.
● Raise the presser foot.
● Adust cam 3 according to the requirement.
● Tighten screw 2.
0.5 mm
3
3
2
5
4
Fig. 11 - 41
1
11 - 43