Pfaff Cover Style Owner's Manual page 58

2-thread rolled hem
Program 12
Note: The converter (see page 32) must be at-
tached to sew the 2 thread rolled hem.
The upper needle thread (green) is too tight.
Set the green thread tension to a lower value
and/or the yellow thread tension to a higher
value.
The lower looper thread (yellow) is too tight.
Set the yellow thread tension to a lower value
and/or the green thread tension to a higher
value.
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