6.
LUBRICATION
★
Before
Starting
the
machine;
1.
Fill
the
oil
reservoir
of
the
machine
base
with
JUKI
New
Defrix Oil No. I up to the level indicated by
"HIGH",
2.
Supplement
the
oil
when
the
oil
level has
lowered
below
the
bottom
line of oil gauge
0.
3. When
the
machine has been properly lubricated,
the
oil is
seen to
run
through
the
pipe from oil sight window
O.
(Low
speed
operation
permits
easier
observation
of
the
lubricating
oil.)
Drain dirty oil by loosening oil drain screw 0 , and fill
the
oil
reservoir
with
fresh
oil.
7.
HOW^TO
INSTALL
THE
NEEDLE
*
Adjusting
the
lubrication
for
the
sewing
hook
Adjust
the
volume
of
lubricating
oil supplied
to
the
sewing
hook
by turning oil adjusting screws O for rough adjust
ment, and 0 for fine adjustment; oil volume is reduced
when
turning
the
screws
clockwise.
*
Other
lubricating
points
1.
Apply
one
or
two
drops
of
lubr'ijating oil
to
the
arrowed
points
once
a
week
or
every
other
week.
2.
Apply
two
or
three
drops of lubricating oil
only
to O
point
when
the
machine
is
newly
set
up
or
has
been
out
of
use
for
a
long
time.
INSTALLATION/REMOVAL
OF
BOBBIN
CASE
1.
Lift
up
and
hold
bobbin
case
latch
lever O
between
two
fin
gers
to
remove
it
from
the
hook.
A
bobbin
does
not
fall
off
the
bobbin
case
while
the
latch
lever is lifted
up.
2.
For
installation
of
the
bobbin
case,
push
the
bobbin
case
into
the
hook
so
that
it is
supported
by
the
hook
shaft,
and
then
snap
in
the
latch
lever.
★
Turn
off
the
motor
power.
Use a
DPx5
needle.
1. Loosening needle setscrew hold needle O
with
its recessed
part
facing
toward
the
operator,
2.
insert
the
needle
fully
into
the
needle
clamping
hole,
and
3.
securely
tighten
the
needle
setscrew.
9.
WINDING
THE
BOBBIN
10.
ATTACHING
THE
BOBBIN
1.
Hold
and
place
a
bobbin
into
the
bob
bin
case
so
that
the
bobbin
is
wound
counterclockwise.
2.
Passing
the
thread
through
thread
outlet
O of
the
bobbin
case,
pull
the
thread,
and
the
thread
can
be
drawn
out
from
thread
outlet
0,
pass
ing
under
the
bobbin
winder
tension
spring.
^
Set
the
bobbin
so
that
it
rotates
in
the
arrow
direction
when
the
bobbin
thread
is
pulled.
Bobbin
winder
-
tension
bracket
Adjusting
!
screw
-^1
11
Bobbin
winder
/
trip latch /
X J I
Adjusting
nut
1.
Fit
a
bobbin
onto
the
bobbin
winder
shaft.
2.
Take
the
thread
from
the
spool
and
pass
it
through
the
guides
in
the
numerical
order
shown
in
the
figure,
and
wind
the
end
of
the
thread
several
turns
around
the
bobbin.
3.
Push
the
bobbin
winder
trip
latch
in
the
arrow
direction,
and
the
bobbin
will
be
wound.
4.
Loosening
the
adjusting
nut,
perform
adjustment
by
screw
ing
in
or
out
the
adjusting
screw
so
that
the
bobbin
is
wound
about
four-fifths
full.
5.
If
the
bobbin
is
wound
un
evenly,
adjust
the
position
of
the
bobbin
winder
tension
bracket
for
proper
and
even
winding.
From the library of: Superior Sewing Machine & Supply LLC
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