Adjustment
11 - 18
11.04.16 Thread check spring (PFAFF 1293 and on machines without -900/56)
Requirement
The motion of the thread check spring 5 should have ceased when the needle point enters
the material ( = approx. 7 mm spring stroke).
4
5
1
3
2
7 mm
Fig. 11 - 16
● Turn retainer 1 (screw 2) in accordance with the requirement.
● Turn screw 3 (screw 4) to adjust the spring resistance.
Due to technical reasons, the length of the thread-check spring stroke can vary a
little in either direction.
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