12
Position of the stitch length adjustment wheel on the PFAFF 939 U.
.05.17
Requirement
When adjustment wheel 3 is turned as far forward as possible, the pointer 4 should be
positioned exactly opposite the mark "0" on scale 5.
5
Fig. 12 - 18
● Adjust eccentric 1 (nut 2) in accordance with the requirement.
4
Adjustment
3
2
1
12 - 19