Pfaff 3588-04/020 - Thread Catcher Position and Knife Height

Adjustment
13 - 20
13.05.17 Thread catcher position and knife height
Requirement
When the thread trimmer is in resting position,
1. the front edges of the thread catcher 3 and the knife 5 must be flush with each other.
2. the upper edges of the thread catcher 3 and the knife 5 must be even.
3
5
2
1
● Bring the needle bar to BDC.
● Move roller lever 1 against control cam 2 by hand.
● Turn the thread catcher 3 according to requirement 1.
● Tighten screw 4.
● Check the knife height according to requirement 2.
To adjust the height, disassemble knife 5 (screws 6) and insert shim
(part no. 91-141 402-05) according to the requirement.
To align the knife see chapter 13.05.18 Knife pressure.
Fig. 13 - 18
5
4
6