Pfaff 294 - Needle Thread Tension Release

Adjustment
11 - 17
11.04.15 Needle thread tension release
Requirement
With the roller presser raised, the two tension discs 4 must be at least 0.5 mm apart.
Fig. 11 - 15
● Align pressure plate 1 behind tension carrier plate 2 in accordance with the requirement
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The clearance of 0.5 mm is a minimum and can increase to more than 1 mm
when thick threads are used.
If the tension is correct, release pin 3 should not be under pressure.
2
4
1
3
0,5 mm