Bobbin-Case Opener Stroke - Pfaff 1425 Instruction Manual

Adjustment
11

Bobbin-case opener stroke

.04.11
(On the PFAFF 1426 carry out this adjustment on both hooks)
11 - 14
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.
1
7
2
Fig. 11 - 11
Position retaining spring 1 (screw 2) according to Requirement 1.
Re-position shaft 3 (screw 4) according to Requirement 2.
1
5
6
6
4
3