Operation Manual
7.
Operating
the
machine
I.
Precautions
When
Threading
if
the
machine
is
mis
threaded
it
is
impossible
to
obtain
a
well
formed
seam.
Refer
to
the
threading
diagram
and
threan
the
machine
correctly.
Always
thread
the
looper
threads
first.
Make
sure
that
the
thread
passes
correctly
between
the
thread
tension
regulating
discs.
Use
tweezers
to
make
threading
easier.
Threading
procedure
1
Thread
left
looper
first.
rfl,
\
zz
spr
ng
—
Make
sure
that
the
thread
passes
correctly
between
the
thread
tension
regulating
discs.
\f_
\
)K)
/
/
/
\
\L
v_,
.
—
*
Ca.it’on
Draw
aoujt
two
r’
he
50mm
of
thread
trough
rh.
Ott
ocuer
ye.
4