1. Tilt the machine bock
as
described
in Section l7.
2. Raise needle
bar
and
take-up lever, provided the balance wheel con
still
be turned. If not, remove position
finger
Bracket a first.
{Photo
14).
3. Loosen
set
screw c and pull
off
opener
finger b. When reassembling
on
the
shaft
can
easily
ove.
the
parts,
the correct position of the finger
be found since the
shaft
is
marked
with a grc
4. Pull
out
the
bobbin
case
with
the
bobbin,
se
thumb
and
forefinger.
5. Return the machine to its upright position o
and
feed
dog.
6. Take
out
screws
e,,
and
ej (Photo 15)
and
remove hook gib d. Be
sure
that
you
do
not
confuse
it
with
thread
Photo
15
zing it by the latch witfi
nd
remove
needle
plate
3ull-off
flange
f.
7. Turn the
balance
wheel until the first
screw
f, in
thread
puil-off flange f
is
opposite
slot
i in the
bobbin
case.
When ih this position, the
bobbin
case
base
can
be
taken
out
of
the
hook.
Photo
17
shows
the
hook
components
in the
same
position.
Note
that
tip 1
of
the
bobbin
case
base
should be positioned between hook point g and tip f of the
flange.
18
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