Thread Tension Control -906/11 (On The Pfaff 1591) - Pfaff 1571 Adjustment Manual

Adjustment
15 Thread tension control -906/11
.04.18
 Turn off the machine.
 Remove both cap nuts 1 and remove the magnet. Set the tension magnet stroke accor-
 Screw the magnet slightly over the two cap nuts 1.
 Press the magnetic plate by hand (tension discs closed), adjust according to requirement 2.
 Tighten the magnet over the two cap nuts
28
Requirement
1. The tension magnet stroke should be 0.9 mm in the starting position.
2. Adjust the carrier plate in parallel approx. 15 mm on the two nuts 3 so that there is
approx. 0.05 - 0.1 mm air between the pressed magnetic plate.
1
1
Fig. 15-18
ding to requirement 1 using the two lock nuts 2.
The tension discs must not be too polished. The voltage value should not be
over 50 in manual operation.
(on the PFAFF 1591)
ca.15 mm
3
1.
1
2
0,9mm
3
1
0,05 -0,1mm