11 - 13
Adjustment
11. 04.12 Thread check spring
Requirement
The movement of the thread check spring must be finished when the needle point enters
the material (= approx. 7 mm spring movement).
The length of the spring movement can vary a little upwards or downwards due to
changes in the sewing parameters.
1
3
2
● Adjust stop 1 (screw 2) according to Requirement.
● To adjust the pressure of the spring, turn screw
3 (screw 4).
Fig. 11 - 12
7 mm
4