Pfaff 1526

11 - 14
Adjustment
11.04.11 Bobbin-case opener stroke
(On the PFAFF 1526 carry out this adjustment on both hooks)
Requirement
1. The front edge of retaining spring 1 and stop 7 must must be flush.
2. In the rearmost position of the bobbin-case opener, hook base 6 and retaining spring 1
must stand apart by thread thickness X.
Fig. 11 - 11
5
7
2
6
1
6
1
x
4
3
● Position retaining spring 1 (screw 2) according to Requirement 1.
● Re-position shaft 3 (screw 4) according to Requirement 2.