Juki DDL-552, DDL-553, DDL-555 Instruction Manual
MODEL
HIGH
LOCK
INDUSTRIAL
SPEED
STITCH
DDL-552
-555
SINGLE
SEWING
NEEDLE,
MACHINE
-553
Instruction
Book
TOKYO
JUKI
INDUSTRIAL
CO.ITD
We
thank
you
for purchasing JUKI Model DDL-552-553-555, high speed, single needle,
lockstitch
industrial
sewing machines.
DDL-SS2 is best suited for sewing general fabric; DDL-S53 is designed and constructed
for sewing heavy weight materials and DDL-555 is equipped with reverse feed mechanism
for a wide area of usage such as sewing men's shirts, blouses
hook,
The thread take-up, sewing
feed mechanism, etc. are all specially designed
and
other
general garments.
and
constructed for high speed sewing. Therefore, at high speed sewing, the running sound is
nominal
and
the
stitching
condition
is superb.
Before operating these machines, please read this INSTRUCTION BOOK carefully
and thoroughly digest the functions of these efficient machines and enjoy everlasting
pleasureofusing these machines.
SPECIFICATIONS
Sewing
type
Usage
Sewing
speed
Thread
take-up
hook
Sewing
Needles
Feed
amount
Stitch
adjuster
Reverse
sewing
Lubrication
Lubricating
oil
Table
DDL-552
General
fabric
Medium
weight
Up to
heavy
material
5,500
Normal speed:
5,000
s.p.m.
Automatic
DBxl
lubricating
#11-18
Max. 6 s.p.i.
None
Completely
s.p.m.
Push-button
automatic
DDL-553
Single needle
Medium
heavy
weight
material
Up to
4,300
Link-type
rotary
hook
DBx257
Max. 5.5 s.p.i.
system
None
lubrication
New
Defrix
JS
type
lock
heavy
s.p.m.
thread
#14-22
(Rotating
Oil
DDL-555
stitch
and
General
Medium heavy weight
material
Up to
Normal
5,000
take-up
Dia.ofhook
DBxl
0-4
Dial
Lever
volute
No.
1
fabric
5,500
speed:
s.p.m.
shaft
7.94
#11-18
mm(5/32")
system
system
pump)
s.p.m.
<l>
TABLE
OF
CONTENTS
(DDL-552-553-555)
Installingtheoil reservoir 2
MotorpuUey and the belt 2
Cautions on operating the machine 3
Lubrication 3
1.
Adjusting
2. TheoUadjusting pin 4
3.
Adjusting
Threading the machine 5
Preparation
Inserting & removing the bobbin case 6
Windingthe bobbin thread 6
How to insert the bobbin 6
The thread tension 7
Adjusting the needle thread tension 7
Thread take-up spring 7
Adjusting the bobbin thread tension 7
Presserfoot and feed dog 8
Adjusting the pressureofthe presser foot 8
The
presser
Height of the feed dog 8
The stitch length 9
Adjusting
Adjusting
Reverse
Inserting
the
Installing
Relation
between
Adjusting
Adjusting
Adjusting
theoil
supply
to the
face
part 4
theoil
supply
to thehook
of
the bobbin thread 6
foot
hand
lifter
the stitch
the stitch length
sewing
length
(DDL-555)
(DDL-552-553)
(DDL-555)
components
needle
and
removing
the
height
the
amount
the
pressing
the
sewing
thehookandtlie
of the
presser
ofthe
thread
pressure
of the
hook
needle
bar
take-up.
feed
lever
(DDL-555)
Page
4
8
9
9
9
12
(Note)
Due to improvements on the machine, some parts of the operationalprocedures
of this INSTRUCTION BOOK might be changed without notice.
- 1 -
INSTALLING
Rubber
Operator
side
Oil
THE
cushion
reservoir
OIL
Hinge side
RESERVOIR
As shown in the flgure, set the reservoir in
such a way so that the 4 comersofthe grooV'
ed part of the table will be supporting the
reservoir.
1.
Nailinthe2rubber
the protruding
cushionsinfront
partofthe table.
to
2. Place the oil reservoir on the protruding
partofthe
table.
MOTOR
Motor
Model
DDL-552
DDL-555
DDL-553
PULLEY
V-belt
pulley
Cycle
50
60
50
60
AND
THE
No.ofrotation
of
machine
5.060
s.p.m.
4,630
s.p.m.
5,040 s.p.m.
4,540
s.p.m.
4,250
s.p.m.
3,850
s.p.m.
4,320
s.p.m.
3,790
s.p.m.
BELT
Model DDL-552 can sew at a high speed of
up to 5,500 s.p.m., DDL-553 at a high speed
of up to 4,300
s.p.m.
and
DDL-555
of up to 5,500 s.p.m. For all of above models,
use a 3-phase
400
W(l/2
HP)
when connected directly to the power source.
Use a M
the
the dimension of the
the
type
V-belt.
numberofrotationofthe
The
motor
pulley is shown in
table. (Effective diameter)
* The effective diameter of the motor pulley
means
the
centerofthe
around
the
Part
No.
motor
pulley
MTK-PVl
MTK-POllOOOO
MTK-PVl
MTK-PV090000
MTK-PVl
MTK-PV090000
MTK-P0085000
MTK-P0075000
20000
00000
00000
diameter
machine.
of
V-belt
as
measured
when
the
Effective
of
120mm(4-47/64")
110mm(4-5/16")
100mm(3-15/16")
90mm(3-3/4")
100mm(3-15/16")
90mm(3-35/64")
85mm(3-ll/32")
75mm(2-61/64")
at a speed
clutch
relation
machine
from
beltiswound
diameter
motor
motor
between
with
the
pulley
- 2 -
CAUTIONS
1
Do
not run the
with
fresh
oil.
ON
OPERATING
machine,
under
THE
any
circumstances,
MACHINE
before
theoil
reservoirisfilled
2. Always rotate the machine toward the operator. Do not run the machine in the re
verse
direction.
3.
Although
to
DDL-553at3,800
at an
operator.
normal
appropriate
the
machines
speed
and
s.p.m.
speed
can
attainamaximum
for
DDL-552
and
for
DDL-555at4,500
depending
operate
on the
speed,
for
the
at a
normal
s.p.m.
natureofwork
first
month
speedof4,500
After
that,
and
run
the
capabilityofthe
drop
the
the
speed
s.p.m.,
machines
LUBRICATION
Before
operating
1. Fill up the oil reservoir with JUKI New
Defrix Oil No. 1 up to the mark "HIGH".
2.
Watch
and
go
below
the
see
"LOW"
the
that
machine
the
oil level
mark.
does
up
for
not
HIGH
mark
LOW
Oil sight window
IDOL-SSS
•mtrm ntTffI
Oil
reservoir
mark
3.
Under
normal
is
run
oil will
(Caution)
1) When the oil gets dirty, change it with new,
fresh oil.
removed,
2)
When
time or when it was idle for a great length
of
time,
H
- 3 -
s.p.m.
machinetoget
3) When
at less than
oil supply to various parts be increased.
conditions,
after
it is filled up with oil,
spurt
against
If
the oil plugofthe reservoir is
oil will
the
for
the
come
machineistoberun
run
the
about10minutes
well-oiled.
machineistoberun
3,500
when
the
machine
the
oil sight window.
out.
for
the
first
machineat3,000-3,500
and
allow
s.p.m. adjust so
constantly
that
the
the
the
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