Pfaff 1540 Owner's Manual - Page 18
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A Operate your PfaffeZect I Bobbin Case/Hook Cover Switch off the main switch Hold the side of the bobbin case/hook cover and open it towards you. LAn I I Removing the bobbin case I Raise the bobbin case lever and pull out the bobbin case. Release the lever and remove the empty bobbin. a, a Thread tension To ensure perfect sewing and a durable seam, the top and bottom thread-tensions must be well adjusted to each other and the threads must be interlaced between the two fabric pieces. The interlacing should be visible from the underside of the material only when sewing decorative seams, buttonholes and darning. I
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Operate
your
PfaffeZect
Bobbin
Case/Hook
Cover
Switch
off
the
main
switch
Hold
the
side
of
the
bobbin
case/hook
cover
and open
it
towards
you.
I
Removing
the
bobbin
case
Raise
the
bobbin
case
lever
and
pull
out
the
bobbin
case.
Release
the
lever
and
remove
the
empty
bobbin.
Thread
tension
To
ensure
perfect
sewing
and
a
durable
seam,
the
top
and
bottom
thread-tensions
must
be
well
adjusted
to
each
other and
the
threads
must
be interlaced
between
the
two
fabric
pieces.
The
interlacing
should
be
visible
from
the
underside
of
the
material
only
when
sewing
decorative
seams,
buttonholes
and
darning.
I
LAn
A
I
I
I
a,
a