Pfaff 1425 Instruction Manual page 78

Adjustment
11 Thread catcher transmission crank (only on the PFAFF 1426 )
.06.07
11 - 42
Requirement
With the thread trimmer in its resting position the bearing points of roller 3, roller lever 4
and ball-joint 5 must be aligned.
Fig. 11 - 35
Set thread trimmer at resting position.
Turn transmission crank 1 (screw 2) according to Requirement.
3
2
5
4
1