4
N
Place
the
bobbin
on
winder
121
and
turn
it
until
pin
A
engages
in
slot
B.
I
Disengaging
the
sewing
mechanism:
Hold
the
hand
wheel
steady
and
turn
knob
103
towards
you.
Swing
the
second
thread
spool
holder
towards
the
back.
Push
a
spool
of
thread
and
the
small
unreeling
disc
C
onto
the
holder.
