Pfaff 938 - Adjusting the Thread Trimmer -900;24; Axial Position of the Control Cam

Adjustment
45
1.07 Adjusting the thread trimmer -900/24
1
.07.01 Axial position of the control cam
Fig. 1 - 38
● Shift control cam 1 (screw 2) and adjustment ring 3 (screw 4) in accordance with the re-
quirements.
Requirement
1. Roller 5 should be at a distance of 0.3 mm from the control cam 1.
2. Adjustment ring 3 should be touching the control cam 1.
1
2
3
4
4
0,3 mm