Pfaff 1122 - Manual Cutting Test

Adjustment
12 - 21
109-052
12.06.04 Manual cutting test
Requirement
1. When thread catcher 1 is on its forward stroke, it must not carry the bobbin thread
forward too.
2. When thread catcher 1 is in its front position, the bobbin thread should be caught
reliably.
3. After the trimming action, both needle and bobbin thread must be perfectly cut.
● Sew a few stitches.
● Switch off the main switch.
● Carry out the cutting operation manually.
● Check the requirements, and if necessary readjust thread catcher 1 in accordance with
Chapter 12.06.02 Thread catcher to hook clearance and Chapter 12.06.03 Thread
catcher position.
Fig. 12 - 20
1