Pfaff coverlock 4872 Owner's Manual - Page 58
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4-thread overedge seam Program 18 When all tensions are correctly set, the loops of both looper thread (pink and yel (ow> are directly on the edge of the fabric. The needle threads (blue and green> are too loose, causing larger loops of needle thread on the underside of the fabric. Set the blue and green thread tension to a higher value. The upper ooper thread (pink> appears on the underside of the fabric. Set the pink thread tension to a higher value and/or the yellow thread tension to a lower value. The ower ooper thread (yellow> appears on the top side of the fabric. Set the yellow thread tension to a higher va lue and/or the pink thread tension to a lower value. 54
When
all
tensions
are
correctly
set,
the
loops
of
both
looper
thread
(pink
and
yel
(ow>
are
directly
on
the
edge
of
the
fabric.
The
upper
ooper
thread
(pink>
appears
on
the
underside
of
the
fabric.
Set
the
pink
thread
tension
to
a
higher
value
and/or the
yellow
thread
tension
to
a
lower
value.
The
needle
threads
(blue
and
green>
are
too
loose,
causing
larger
loops
of
needle
thread
on
the
underside
of
the
fabric.
Set
the
blue
and
green
thread
tension
to
a
higher
value.
The
ower
ooper
thread
(yellow>
appears
on
the
top
side
of
the
fabric.
Set
the
yellow
thread
tension
to
a
higher
va
lue
and/or
the
pink
thread
tension
to
a
lower
value.
4-thread
overedge
seam
Program
18
54