Pfaff 939 U Adjustment Manual

Justierung
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Fig. 1 - 23
1.05.22 Zeroing the differential feed (front feed dog) on the PFAFF 3704-2/..
● Set the stitch length at "0".
● Set both levers 1 at "0".
● While constantly turning the balance wheel, adjust crank 2 (screw 3) in accordance with
the requirement.
● Carry out a control check in accordance with the requirement.
Requirement
When the stitch length is set at "0" and both levers 1 set at the "0" position, the differenti-
al feed dog 4 should not make any feeding movement when the balance wheel is turned.
3
4
1
2

Pfaff 939 U Specifications

General

Brand	Pfaff
Model	939 U
Category	Sewing Machine
Language	English