Pfaff 1422-900/81 Service Manual page 9

2 Thread catcher position
.07
Requirement
When the thread catcher is in its resting position, the edges of thread catcher 4 and knife
5 must be flush (see arrow).
4
Fig. 2 - 03
Set needle bar at b.d.c. and push roller lever 2 against control cam 3.
Turn thread catcher 4 according to Requirement.
Tighten screw 1.
5
Adjustment
3
2
1
2 - 4