Thread Check Spring - Pfaff 333-712/02 Adjustment Manual

13

Thread check spring

.04.08
Rule
The movement of the thread check spring 5 should be finished when the needle point
punctures the material (spring deflection = approx. 7 mm).
Fig. 13 - 08
O Adjust the stop 1 (screw 2) according to the rule.
O Turn the screw 3 (screw 4) to set the spring tension
The length of the thread check spring deflection may deviate slightly upwards
and downwards for reasons relating to the sewing technology.
1
5
3
2
Adjustment
4
13