Adjustment
22
Fig. 13 - 17
2
1
3
13.04.17 Thread check spring (with the PFAFF 1244 with thread trimmer -900/56)
O Turn the screw 2 ( screw 3 ) to set the spring tension of the thread check spring 1.
O Turn the support 4 ( screw 5 ) according to the rule.
O Turn the screw 7 ( screw 8 ) to set the spring tension of the thread check spring 6.
O Turn the support 9 ( screw 10 ) according to the rule
The length of the thread check spring deflection may deviate slightly upwards
or downwards for reasons relating to the sewing technology.
Rule
The movement of the thread check springs 1 and 6 should be finished when the needle
points puncture the material (spring deflection = approx. 7 mm).
7 mm
6
4
9
7
5
8
10
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