Looper Thread Regulation - Pfaff 3538-20/02 Adjustment Manual

13

Looper thread regulation

.05.19
Rule
1. The row of eyes on the thread puller 1 should be at a higher level (7 mm) than the
row of eyes on the thread puller 3 in t.d.c.
2. The lower material edge of the thread puller 3 should be parallel to the edge of the
moulding of the bed plate at a stitch length of
Fig. 13 - 19
Adjust the thread puller 1 (screws 2) according to rule 1.
Adjust the thread puller 3 (screw 4) according to rule 2.
1
The setting of the thread puller 3 is dependent on the sewing conditions.
More or less thread can be pulled if required depending on the corresponding
setting.
Adjustment
4.5 mm.
2
3
4
23