Pfaff 3588-04/020 - Manual Cutting Test

Adjustment
13 - 23
13.05.20 Manual cutting test
Requirement
1. When it is moving forward, the thread catcher 1 must not push along the bobbin
thread 3 in front of it.
2. At the front point of reversal of the thread catcher 1, the bobbin thread 3 must lie
approx. 2 mm behind the lug of the thread catcher 1.
3. At the end of the cutting operation, the needle and bobbin threads must be cut
perfectly. The bobbin thread 3 must be clamped.
● Carry out the cutting operation manually.
● Check requirement 1. If necessary, readjust the thread catcher 1 according to chapter
13.05.16 Thread catcher height.
● Check requirement 2. If necessary, readjust the thread catcher 1 according to chapter
13.05.17 Thread catcher position and knife height.
● Check requirement 3. If necessary, readjust the bobbin thread clamp spring 2 according
to chapter 13.05.19 Bobbin thread clamp spring.
Fig. 13 - 21
2 mm
2
1
3
1
3