Pfaff 937

Adjustment
1
0
2
37
-
14
-
19
11.05.18 Torsion spring of the reverse feed lever
Requirement
With the presser foot raised, the longest stitch length set and the adjustment wheels 5 at
“0“, the reverse feed lever 4 must return automatically to its uppermost point after being
activated.
● Loosen screw 2 a little.
● Turn torsion spring 3 in accordance with the requirement using nut 1.
● Tighten screw 2.
5
4
1
2
3
11 - 20
Fig. 11 - 19