Pfaff coverlock 4872 Owner's Manual - Page 59
tension, higher, value, and/or, yellow, thread
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3-thread overedge seam narrow and wide Program 10 and 11 When aH tensions are correctly set, the loops of both looper threads (pink and yel low) are directly on the edge of the fabric. The needle thread is too loose, causing loops on the underside of the fabric. Set the relevant needle thread tension to a higher value. The upper looper thread lpink) 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 lower looper 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 va I Lie. 55
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3-thread
overedge
seam
narrow
and
wide
Program
10
and
11
When
aH
tensions
are
correctly
set,
the
loops
of
both
looper
threads
(pink
and
yel
low)
are
directly
on
the
edge
of
the
fabric.
The
upper
looper
thread
lpink)
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
lower
looper
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
va
I
Lie.
The
needle
thread
is
too
loose,
causing
loops
on
the
underside
of
the
fabric.
Set
the
relevant
needle
thread
tension
to
a
higher
value.
55