Thread-Catcher Height - Pfaff 521 Instruction Manual

Adjustment
13

Thread-catcher height

.05.06
13 - 26
Requirement
The bottom edge of the thread catcher 3 must be 0.8 mm above the bobbin case 4.
Fig. 13 - 25
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.
3
4
8
4
5
6
7
1
3
2