Torsion Spring Of The Differentiation Regulating Shaft (On The Pfaff 3704-2 - Pfaff 939 U Adjustment Manual

Justierung
1 Torsion spring of the differentiation regulating shaft
.05.26
● Turn torsion spring 1 (screw 2) in accordance with the requirement using nut 3.
32
Requirement
When the presser foot is raised, the maximum stitch length set, lever 4 raised to its top
position and lever 5 set at "0", the pointer 6 should be touching lever 4.
3
2
Fig. 1 - 27
1
(on the PFAFF 3704-2/..)
4
5
6