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Adjustment
13 - 17
13.05.15 Thread check spring on the PFAFF 1296 with subclass -900/56
Requirement
The movements of thread check springs 1 and 6 must be finished when the needle points
enter the material (=spring stroke of about 7 mm).
Fig. 11 - 15
● To adjust the pressure of spring 1, turn screw 2 (screw 3).
● Adjust stop 4 (screw 5) according to Requirement.
● To adjust the pressure of spring 6, turn screw 7 (screw 8).
● Adjust stop 9 (screw 10) according to Requirement.
For technical reasons the length of the thread check spring stroke may vary
upwards or downwards a little.
3
810
5
7 mm
1
6
4
9
7
2