Adjustment
11 - 31
11.04.27 Thread check spring
Requirement
1. The movement of thread check spring 5 must be completed when the needle point
enters the material ( spring stroke approx. 7 mm).
7 mm
1
Fig. 11 - 27
● Position rest 1 (screw 2) according to requirement 1.
● To adjust the spring tension, turn screw 3 (screw 4).
For technical sewing reasons it may be necessary to deviate from the indicated
spring stroke or spring tension.
3
5
4
2
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