2.
CONNECTION
WITH
CONTROL
BOX
Round
hole
in
table
Wire
the
control
box
as
shown
at
right.
Solenoid
box
Note: (1)
For
the
sake
of
safety,
before
connecting
or
disconnecting
connectors,
be
sure
to
turn
off
the
power
switch.
(2)The
combination
of
machine
head
and
motor
control
box
is
as
specified
below.
Keep
in
mind
correct
combination
when
replacing
the
machine
head
or
control
box.
Machine
head
Control
box
LU2-410Binn
LE.MD-120
LU2-430BinD
LE-MD-120
3.
ADJUSTMENT
OF
NEEDLE
BAR
STOP
POSITION
Clutch
Brake
External
volume
Position
1/2
select
switch
When
the
pedal is kicked down by heel and thread trimming is completed, the machine stops
with
the
timing mark
"B"
matching with
the
white timing mark "C". The needle bar stop
position of all sewing machines are factory-adjusted. However, if
the
timing marks are
out
of
alignment more than 3 mm, adjust the setting position of light shielding disc in the following
procedure:
[Preparation]
1)
Disconnect
the
plug
(12
pins)
of
cable,
which
comes
out
of
the
machine
head,
from
the
control
box.
2) Remove
the
synchronizer
cover.
3) Run
the
machine
and
stop
with
the
needle
at
UP
position.
After
the
com
pletion
of
preparation,
start
the
follow
ing
adjustment:
[Adjustment]
1) While holding
the
light shielding disc by
hand,
turn
the
balance
wheel
until
the
timing
marks
"B"
and
"C"
are
aligned.
2)
Repeat
pedal
operation
(toe
down
and
heel
down)
several
times
to
make
sure
the
needle
always
stops
exactly
at
the
specified
position.
3)
Then,
set
the
plug
(12
pins), which
comes
from
the
machine
head,
into
the
receptacle.
Whitetiming
mark
Light shielding disc
From the library of Superior Sewing Machine & Supply LLC - www.supsew.com
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