Pfaff 421E1 - Thread-Catcher Height

Adjustment
13.05.06 Thread-catcher height
Requirement
The bottom edge of the thread catcher 3 must be 0.8 mm above the bobbin case 4.
● Loosen screws 1 and 2.
● Position thread catcher 3 over the middle of the bobbin case 4.
● Move the thread catcher 3 (screw 5) in accordance with the requirement.
● Find the vertical play of shaft 6, bring retaining collar 7 to rest against bearing 8 and
tighten screw 2.
Screw 1 remains loosened for further adjustments.
Fig. 13 - 24
0.8 mm
3
4
1
7
2
6
8
5
3
4
13 - 28