Pfaff coverlock 4872

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