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

Adjustment
12

Thread check spring

.04.08
12 - 9
Requirement
The movement of thread check spring 5 must be finished when the needle point enters the
material (= spring stroke of about 7 mm).
Fig. 12 - 08
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
3
1
5
2