Adjustment
99-2-05
2.09 Needle thread tension release
Requirements
1. At the rear reversal point of the thread catcher, trip 4 must be engaged and at a
distance of 0.5 mm from control cam 5.
2. When the tip of trip 4 is at the highest point of the control cam 5, the tension disks
must be a minimum of 0.5 mm from each other.
● Push in piston rod 1 manually as far as possible.
● Adjust the distance between trip 4 and control cam 5 in accordance with
requirement 1 by turning screw 2 (nut 3).
● Lower the sewing foot onto the needle plate.
● Pull down linkage 6 (screw 7) until you feel it stop (requirement 2).
● Connect the thread trimmer to the pneumatic network.
Fig. 2 - 07
5
1
7
6
4
0.5 mm
0.5 mm
3
2
2 - 8
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