3-Thread Rolled Hem - Pfaff coverlock 4872 Instruction Manual

The upper looper thread (pink> only partly
loops around the fabric edge.
Set the pink thread tension to a lower value
and/or the yellow thread tension to a higher
value.
3-thread rolled hem (folded)
The right needle thread (green) is too loose.
Program 17
Set the green thread tension to a higher
value.
The lower (ooper thread (yellow) appears
on the top side of the fabric.
Set the yellow thread tension to a higher
value and/or the pink one to a lower value.
59