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Adjustment
13 - 16
13.05.14 Thread check spring, without subclass -900/56
Requirement
The movement of thread check spring 5 must be finished when the needle pointe enters
the material (=spring stroke of about 7 mm).
Fig. 11 - 14
● Adjust stop 1 (screw 2) according to Requirement.
● To adjust the pressure of the spring, turn screw 3 (screw 4).
For technical reasons the length of the thread check spring stroke may vary
upwards or downwards a little.
4
5
1
3
2
7 mm