Pfaff 3588-04/020, Instruction Manual, Page: 127 / 196

Adjustment
13 - 28
13
.05.25
Sewing head lifting cylinder
Requirement
The up and down movement of the sewing head must be uniform.
Fig. 13 - 26
●
Insert the sewing head and connect. (See chapter 13.04 Removing/inserting sewing head ).
●
Adjust the speed (screw 1 ) and shock absorbing action (screw 2 ) of the upwards
movement of the sewing head, and the speed (screw 3 ) and shock absorbing action
(screw 4 ) of the downwards movement of the sewing head according to the
requirement .
The pressure for the downward movement can be regulated with screw 5
(standard setting 4.5 bar ).
When adjusting the shock absorbing action, make sure that the cylinder 6
moves as far as it can go especially for the downward movement of the sewing
head!
3
5
1
2
4
6