Justierung
20
Fig. 1 - 15
1.05.14 Adjustment wheels for differential feed (only on the PFAFF 939U)
● Loosen screws 1.
● Turn both adjustment wheels 2 until guide pin 3 is in the middle of the connecting link.
The ends of the two toothed racks 4 must be fl ush with each other.
● Turn both scale rings in accordance with the requirement and tighten screws 1.
Requirement
With guide pin 3 in the middle of the connecting link and the ends of the toothed racks 4
fl ush with each other, the zero markings on the adjustment wheels 5 must be at marking 6.
4
1
5
2
2
3
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