Adjustment
12 - 37
99-2-05
Fig. 12 - 34
5
1
7
6
4
0,5 mm
0,5 mm
3
2
12
.06.05
Needle thread tension release
Requirement
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.