White 1240 Sewing Machine User Manual


 
Caution:
Before
cleaning
the
machine,
be
sure
to
disconnect
the
power
cord
from
the
wall
outlet.
BOBBIN
CASE
BOBBIN
NOTCH
/
CLEANING
HOOK
ASSEMBLY
1.
With
take-up
lever
in
highest
position,
and
remove
bobbin
case.
2.
3.
4.
5.
6.
7.
Turn
clamps
outward
and
remove
shuttle
race cover.
Remove
shuttle
body.
Clean
thread
and
lint
from
all
parts,
including
shuttle
race.
Run
a
drop
of
oil
along
rim
of
shuttle
body.
Replace
shuttle
body,
then
shuttle
race
cover.
Snap
clamps
into
place.
Grasp
threaded
bobbin
case
by
latch
and
replace,
fitting
tonque
into
notch
of
shuttle
race
cover.
CLEANING
FEED
DOGS
Lint
or
dust
accumulated
between
the
needle
plate
and
the
feed
dogs
must
be
removed
to
maintain
good operation
of
the
machine.
Raise
the
needle
bar
to
the
highest
position
and remove
the
needle
and
presser
foot.
Loosen
screw
on
the
bed
cover plate
and
remove
the
plate.
Clean
lint
and
dust
from
the bottom
of
the
needle
plate
and
the
feed
dogs
with
a
lint
brush.
Turn
the
hand wheel
slowly
and
be
sure
to
clean
all
areas.
Replace
the
removed
plate.
Check
the
needle
plate
area,
if
there
are
scratches
and
marks
around
the
needle
hole
opening,
your
machine
is
not
being
clean
ed
properly.
Always
remove
the
needle
plate
and
clean
the
feed
dogs
periodically.
Improper
and
lack of
cleaning
will
cause
an
ac
cumulation
of
lint
which
hampers the
feeding
mechanism,
this
in
turn
will
cause
the
operator
to
impatiently
pull
or
push
the
cloth
causing
the
needle
to
bend
and
strike
the
plate,
foot
or
hook,
causing
a
slip
in
the
timing
mechanism.
Continuous
striking
will
cause
defects
making
it
necessary
to
call
a
serviceman.
SHUTTLE
RACE
UTTLE
LATCH
RACE
COVER
SHUTT
E
CLAMPS
BODY
C
A
R
E
0
F
Y
0
U
R
M
A
C
H
ru
E
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