Pfaff coverlock 4852 Owner's Manual - Page 57
thread rolled hem folded, Program 15, upper looper thread, upper needle thread, lower looper thread - parts for
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3-thread rolled hem (folded) Program 15 The upper needle thread (green) is too loose. Set the green thread tension to a higher value. 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. The lower looper 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. 55
55
55
3-thread rolled hem (folded)
Program 15
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.
The
upper needle thread
(green) is too loose.
Set the green thread tension to a higher
value.
The
lower looper 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.