Adjustment
17
13.04.12 Thread check spring
Adjust stop 1 (screw 2) according to Requirement.
To adjust the pressure of the spring, turn screw 3 (screw 4).
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●
The length of the spring movement can vary a little upwards or downwards due
to changes in the sewing parameters.
Requirement
The movement of the thread check spring must be finished when the needle point enters
the material (= approx. 7 mm spring movement).
Fig. 13 - 12
2
1
3
4
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