Juki DDL-555-4, DLN-415-4, DLU-450-4, DLD-432-4 Instruction Manual
BE5554T0B0A
Model
DDL-555-4
High
Speed
industrial
Automatic
Model
DLN-415-4
High
Lockstitch
Equipped
Model
OLU-450-4
High
Feed
with
Model
DLD-432-4
High
Feed
with Automatic Thread Trimmer
Single
Sewing Machine
Thread
Speed
Single
Industrial
with
Speed
Single
Industrial
Automatic
Speed
Single
Lockstitch
Needle
Trimmer
Needle
Sewing
Automatic
Needle
Sewing
Thread
Needle
Industrial
Lockstitch
Equipped
Feed
Machine
Thread
Top
Machine
Trimmer
Differential
Sewing
Trimmer
and
Bottom
Equipped
Machine
with
Instruction
0
Book
TOKYO
JUKI
INDUSTRIAL
CO..LTD.
This INSTRUCTION BOOK is compiled for JUKI models DDL-555-4, DLN-415-4, DLU-450-4
and
DLD-432-4
like DDL-555, DLN-4I5, DLU-450 and DLD-432. Since the basic principle of operation and
adjustment are entirely same as those of mother models, please refer to the separate INSTRUC
TION BOOK prepared for them as well.
Please do
questions
I.
SETTING
1. Installation of the machine head 1
Z
3. Installing and adjusting the pedal -
4.
5.
6.
II.
HOW
1. General instruction 6
2. Lubrication and the amount of oil 6
3.
4. How to operate the pedal 6
5.
6. Automatic counter-back stitching 9
7.
8.
9.
10.
11.
12.
13. Howto selectthe
14.
15.
16. The
17.
18.
19.
20. Howto installand
III.
HOWTOADJUST
1.
2.
IV.
HOWTOUSE
1.
2.
3.
V.
AUTOMATIC
1.
2.
VI.
SPECIAL'SWITCH
DIAGRAM
VII.
VIII. DIMENSIONAL DIAGRAMOF THE TABLE (TOP SURFACE) 24
which are equipped with the automatic thread trimmers to their mother models
not
hesitate to
or details.
UPTHE
Motor
pulley
Installing
Connecting
Confirming
TO OPERATETHE
Checking
Adjusting
Passing
the
Adjusting
Adjusting
Adjusting
Sharpening
Importantnotes '3
Adjusting
Adjusting
floating
Changing
Adjusting
Adjusting
Adjusting
Adjusting
Forming
Adjusting
Adjusting
Howtooperate
Adjusting
SHOWING
contact
with our agent in your area or our main business for further
CONTENTS
MACHINE
andbelt 1
the
synchronizer
thecords ^
the
operating
the
pedal
the pedal
needle
the thread
the
lengthofthread
the
needle
thecounter
the
timing
the
position
range
the
moving
the
bobbin
the
slide
THE
the
positionofthe
the
positionofthe
AND
ADJUST
the
switch-back
the
position
the
reverse
PRESSER
voltage
MACHINE
action
pressure
thread 10
andstroke 8
tension
stop
remaining
position
after
onthe
thread
needle
trimming
after
thread
trimming
knife
presser
foot, throat plate,
of the
thread
of the
of the
second
knife 17
thread
shaft
remove
WIPER
timming
moving
thread
presser
the knife
knife
tension
installing
sewing
hookandfeeddog 14
cam
di.sc
base 19
wiper
wiper
THE
magnet
SWITCH-BACK
BUTTON
stitches
ofthe
switch-back
stitch
FOOTLIFTER,
length
lever
AK-2
AK-2
the
presser
foot
TO HOLDTHE NEEDLE ATTHI-TOP
stroke
METHODOFASSEMBLING
POSITION
TABLE 23
....
I
3
5
6
6
•0
II
12
'3
14
15
17
18
19
20
20
20
21
21
21
21
22
22
22
22
I.
SETTING
1.
Installationofthe
Not
only
table in the same way as
Instruction
Z
Motor
The maximum sewingspeed of the
and DLD-432-4 is
the
machine
Book
pulley
UP
for
and
4,200
THE
MACHINE
machine
head
but
also
that
model
of the general lockstitch machines. Please refer to the separate
DDL-555, DLN-415,
belt
s.p.m.
head
the
DDL-555-4
oil reservoir
DLU-450
Set up
by
shown in the illustration. Do
lock
of
and,
and
the
or DLD-432.
the
making
nut
too
the table
DLN-415-4
bobbin
winder
spool
standonthe
useofthe
much,orthe
top
will be cracked.
installation
is 5,000 s.p.m. and
are
installedonthe
machine
not
tighten the
laminated
DLU-450-4
table
hole
surface
You must use the M-type V-belt
The under mentioned table indicates the maximum sewingspeeds related to the motor pulleys
and the length of belts. The effective diameter of the motor
5mm(13/64")
Outer
diameter
motor
pulley
125mm
115
105
100
95
90
85
80
75
from
of
MTS-P01200A0
MTS-POllOOAO
MTS-POIOOOAO
MTS-P00950AO
MTS-P00900A0
MTS-P00850A0
MTS-P00800A0
MTS-P00750AO
MTS-P00700A0
the
Motor
Part
outer
pulley
No.
diameter.
50
5,060
4,630
4,250
4,000
3,820
3,610
3,390
3,160
Sewing speed
Hz
s.p.m.
5,040
4,540
4,320
4,000
3,790
3,520
pulley
is obtained by deducting
Belt
60
Hz
length
43"
Belt
Part
No.
MTJ-VM004300
s.p.m.
42"
MTJ-VM004200
41"
MTJ-VM004100
(Note) The center hole on the motor pulley is tapered, and the normal pulleys commercially
availableinthe
market
can
notbeused
for
these
machines.
If the belt is too long,the connecting rod may not work smoothly.
as
- 1 -
3. Installing and adjusting
Motor
the
pedal
regulating
lever
1)
Howtoattach
After
pedal were
connecting
of the connecting bar by sliding the con
necting bar positioner.
Connecting
bar
posj
tloner
2) How to adjust the pedal angle
You can adjust the pedal angle by chang
ing the effective length of the connecting
bar. Loosen the clamp screw and change
the effective length of the connecting bar.
the
connecting
the
motor
regulating lever
connectedbymeansofthe
bar, adjust
the
vertical position
bar
and
the
ft
- 2 -
4. Installing
the
synchronizer
The necessary instruction for installation is indicated on the packing case on
SHITA"
(CAUTIONS)
and
"HITACHI"
Cord
motors.
Nylon
\\\
Support
rod
clamper
\\ \
"MATSUSHITA"
Screw
the
support
locatedonthe
wheel
side
Fix
the
of
the nylon clamper so
contact
right looking from the hand-
and
fixitwithalock
cord
onto
with
the
V-belt.
motors
rod
the
into
support
both
of "MATSU
the
threaded
nut.
rodbymeans
that
it does
hole
not
Printed
Magnet
circuit
board
Stater
Rotor
- 3 -
"HITACHI"
Be
careful
statertocontact
The
clearance
board
cover
Pass
the
cord
chronizer
so
cover
thatitdoes
motors
nottoallow
with
each
between
and
the
rotor
through
and
fix it
not
contact
the
rotor
other.
the
printed
magnet
the
insideofthe syn
with
the
with
the
and
the
circuit
is I to 2mm.
cord
clamp
V-belt.
5y
Connecting
Before starting to connect the cords, make sure that the power source is
cord
with care
the
cords
nottoletittouch
the
motor
pulley, V-belt or any
other
cutout
moving parts.
Connect each
Whileyou are connectingeach plug, make sure that the plug is firmly secured in the receptacle by
trying to pull it lightly.
(1)isthe
power
supply
cord.
(2) is the cord for the magnetic clutch brake which is pre-connected with 4-pole connector
(HITACHI) or 3-pole connector (MATSUSHITA).
(3) is the cord for controlling the knee lifter (2-pole connector). Only for AK-2.
(4) is the cord to the selector switch for controlling the count-back stitching (with 3-pole plug
for HITACHI, 6-pole plug for MATSUSHITA).
(5) is the cord to the wiper and the control lever for switch-back stitching (with 6-pole connec
tor). Pass the cord through the opposite side of the motor pulley via the hook beneath the
table
and
plug
in.
(6) is the cord for driving the thread trimmer solenoid and the automatic reversefeed solenoid,
(with
4-pole
connector).
(7) is
the
cordtodrive the solenoid for
Only
for
AK-2.
(8) is the cord to the synchronizer, (with 12-pole connector
for
MATSUSHITA).
(9) is the pre-connected cord to the controller. (3-pole connector).
HITACHI
the
automatic
lifter (with 4-pole connector).
for
HITACHI and 8-pole connector
UUKI
- 4 -
(MATSUSHITA)
6. Confirming the operating voltage
(HITACHI)
.
aJUBCI
' KEfOlC
wttt
rnw
I^OSITIOKCA
iKDWiei
itni
wto«
•«
UM-«
Check your operating voltage with the rated
voltage, Hz., and phase specified by the ma
chine
If the
voltage,
control
plateofeach
motor
not
circuits may be
motor.
is operated with a different
only
the
motor
itself
but
broken,
also
please note.
the
(MATSUSHITA)
PANA
enam
Eucrmc
SER.Na
200
60
200l£3450
iwwsTim
STOPE,
rating
type
FORM TSAI ROTOR
LAMP6V20W
400w2poUSO
V7I-I0M
masusHnA
1.7
288^
caiin
CONT.
C
cooeO
H
G
- 5
II. HOW
1.
General
After
hand,
watching
from the open side of the handwheel.
If you fail to judge it, you can repeat to
found.
o Clean up the installed machine.
o
Before
DDL-555,
oDonot
oDonot
machine
after the first 1 month has passed,
o Keep awayfrom the needledropping placewhen you switch the machine on.
o Do not fail to switch off the machine before you tilt the machine head backwards for lubrica
tionor
will
motor
o Whenyou move the machine to other places, to not hold it with the cover located on the rear
of
o
Even
ed on or the thread is trimmed, the needle would not come down or the thread trimmer would
not
forwards (toe-down).
2.
Lubrication
Beforestarting to operate the
JUKI
TION
3. Checking
o Firstly, check your machine without passingthe threads.
o
Switch
Even
by switching on the machine,
o When you switch on the machine, do not put your hand under the needle.
4. Howtooperate
As
the
(1) Placeyour feet gently on the pedal at the stop position.
(The needle is held at the lowest position).
(2) Tread on the pedal lightly forwards (toe-down), and the machine starts to rotate at a low
speed.
(3)
Treadonthe
gradually
the switch for the counter-back stitching is turned on, the machine will attain it's maximum
sewing
the
TO
OPERATE
instruction
the
machine
switchonthe
the
has
been
machineontril
rotationofthe
startingtooperate
DLN-415,
drive
replace
at a
DLU-450orDLD-432.
the
machine
the
motor
higher
speed
clearingorremoving
be stopped immediately by
assembly.)
the
handwheel.
if you tread on the pedalbackwards (heel-down) immediatelyafter the machineisswitch
work.
Such thread
and
amountofoil
industrial
BOOK.
the
following
pedal
on the
needle
speed
lubricating
the
pedal action
machine,
staying
the
illustration
pedal
and
attain
only after the
fully.
further
the
set
handwheel.
the
before
pulley
depending
the
trimming
machine,
oil.
Refer
and the
at a
lower
pedal
shows,
maximum
THE
MACHINE
up,
bring
down
and
check
The
machine,
theoil
V-belt.
means
needle
forwards
count-back
read
reservoirisfilled
withalarger
on the
(If
of the built-in safety
motion is
fillthe oil
to the
will
position
the pedalof this
(toe-down),
speed
the
needlebyrotating
that
the
motor
handwheel
switch
on and off the
through
the
one
within
necessityofsewing
you
mistakenly
performed
corresponding
beheldat it's
willbebrought
whenithas
stitch has
only after the pedalhasbeentrod once
reservoir
model
and
been
the
handwheel
rotatesinthe
must
rotate
machine
separate
with
the
lubricating
first1month.
works
tread
onthe
device
up to the "HIGH" marked
paragraph
highest
position
upand
isoperatedin4
the
machine
been
trod
formed,
correct
counterclockwise
until the direction is
INSTRUCTION
oil.
You
and
operator's
pedal,
separate
without
at the
stages.
will
fully.
though
the
increase
in the caseof "HITACHI"
in the
held
down
even
with
direction
watching
BOOK
may
operate
motor
level
INSTRUC
fail.
highest
it's
However,
you tread on
your
the
ability
pulley
with
position
speed
when
by
of
- 6
High
Low
speed
speed
©
Stop
Thread
(needle
trimming
down)
o You can obtain the normal performance of thread trimming by treading on the pedal back
wards (heel-down) directly from the high or low speed position,
o You can
tread
back
the pedaltothe
neutral
position
immediately
after
the
nachine
has
started
to perform the thread trimming action. The thread trimming action is automatically completed
not
and you do
need to keep the pedal at the thread trimming position any longer,
o When the machine stops, the needle will be held at the lower position.
o When you
want
to bring up the needle, tread on the pedal fully backwards (heel-down) once.
Then, the machine will perform a thread trimming action and will bring up the needle and hold
at
it's
highest position.
(Note)
In
some
cases,
the
machine
with
"MATSUSHITA"
motor,
does
not
starttorun
immediately
after
a thread trimming action was made even though the pedal is trod forwards (toe-down). This is
simply because
tread
case,
the
machine.
In tlie
caseofthe
the
machine is
on the pedal
machine
locked
backtothe
with
"HITACHI"
by the
neutral
safety
position
motor,
device
built
in tlic
motor
assembly. In such a
once
and tread on it again forwards to drive
such
safety
device is
automatically
released
after a thread trimming action has been completed.
- 7
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