Juki DLD-432 Instruction Manual

MODEL

DLD-432

HIGH DIFFERENTIAL

INDUSTRIAL

SPEED,

SINGLE

FEED,

SEWING

NEEDLE,

LOCKSTITCH

MACHINE

Instruction

Book

TOKYO

JDKI

a

INDUSTRMl

CO„ITO.

We

want to thank you for purchasing JUKI

Lockstitch Industrial SewingMachine.

This is a high

up to 4,200

it can

perform

straight

This is a

garments

or

shrinking

hi^

levelofsewing

INSTRUCTION BOOK thoroughly and digest the functions of all of its mechanism to

produce best results and to prolong the lifeofthe machine.

speed,

s.p.m.

sewing

machine

of light

nature. As a

differential

As this

stretch

stitchingorgather

with equal ease to boost up the

for

wide

weight

area of

to mediumheavy

differential

efficiency.

feed

machine

usage feed

Before

DLD-432,

sewing

machine,

is equipped with a differential feed

stitching

sewing

and best suited for

weight

materials as

machine,

you start to use this

High

Speed, Differential Feed,

capableofattainingaspeed

with

utmost

ease.

efficiency.

Also,

sewing

well

it can be

asmaterials of stretchy

acclaimedtoproduce

machine,

various

please

mechanism,

it can

kinds

read the

perform

very

of

DLD-432

SPECIFICATIONS

Sewingspeed — Up to 4,200 s.p.m.

Differential feed ratio (3:1)

Stitch

length

0-5mm{13/64")

Stitch length regulator • • • • Dial system

Reverse sewing By reverse lever

Needles

Lubricating oil New Defrix Oil No. 1

DBxl (16x231)1738#14, #16, #18

DLD-432

CONTENTS

Page

Installing the oil reservoir 2

Motor

pulley

and

the

belt

Cautions on operating the machine 3

Lubrication

1. Adjusting

the

oil supply to

the

face

part

2. The oil-adjusting pin 4

3. Adjusting the oil supply to the

hook

components 4

Threading the machine 5 Preparation

of

the bobbin thread 6

Inserting &removing the bobbin case 6

Windingthe bobbin thread 6

Howtoinsert

The

thread

tension

the

bobbin

Adjusting the needle thread tension 7

Thread take-up spring 7

Adjusting the bobbin thread tension 7

Presser

foot

and feed dog 8

Adjusting the pressure of the presser foot 8

The presser foot hand lifter 8

Heightof the feed dog 8

The stitch length 9

Adjusting the stitch length 9 Reverse sewing 9

Pushing pressure of the feed lever 9

Adjusting the differential feed 10

Stretch Gather

Inserting

Installing

Relation

sewing

sewing 10

the

needle

and

removing

between

the

hook

the

sewing

and

the

hook

needle

10

11

12

Adjusting the heightofthe presser bar 13

Adjusting the amountofthe thread take-up 1:

How to use

attachments

(separate order) 1

How to use the differential feed regulating lever • 1

How to use attachmentfor gather sewing 1

Supplementary feed dogs (reverse toothed) 1^

2

3

4

6

7

(Note)

Due to improvements on the machine, some INSTRUCTION BOOK might be changed

without

partsofthe

- I -

notice.

operational proceduresofthis

INSTALLING

THE

OIL

RESERVOIR

Nail

Operatorside

MOTOR

Motor

Rubber

pulley

cushion

Oil

reservoir

Q

PULLEY

i-

HinRe

AND

m

side

THE

As shown in the

such a way so

flgure>

that

set the reservoii in

the4comersofthe

ed part of the table will be supporting the

reservoir.

1.

Nailinthe2rubber

the

protruding

cushionsinfront

partofthe table.

2. Place the oil reservoir on the protruding

partofthe

table.

BELT

Model DLD-432 can sew at a high up to

4,200

s.p.nt. When

to the power

(1/2

HP)

clutch

sourc^^'"

motor.

Use a M type V-belt. The relation between

the

number

the

dimensionofthe

the

table,

♦The

means center around

ofiTOtationofthe

(effective

effective

the

diameter

of

the

V-belt

the

machine.

diameterofthe

connected

use a 3-phase 400 W

motor

pulleyisshown

diameter)

as

measured

when

the

groov

speed

directly

machine

motor

beltiswound

with

pulley

from

to

of

in

the

Cycle

50

GO

No.ofrotation

of

machine

4,210

s.p.m.

3,790

s.p.m.

4,270

s.p.m.

3,760

s.p.m.

Part

motor

MTK-PVl

^1TK-PQP90000

MTK-PV085000

MTK-PV075000

- 2

No.

pulley

of

00000

Effective

of

motor

100

mm(3-15/16")

90 mm (3-3

85

mm(3-11/32")

75 mm

diameter

pulley

5/64")

(2-61/64")

CAUTIONS ON OPERATING THE MACHINE

®

Do

not

run

the

machine,

with

fresh

oU.

(D

Always

verse

(3)

This

LUBRICATION

rotate

the

direction.

machine

the speed to about 3,700 s.p.m.

can

under

any

circumstances,

machine

run

toward

the

withaspeedofupto4,200

before

operator.Donot

s.p.m.

the

run

but

oil

reservoirisfilled

the

machineinthe

for

the

first

month

up

re

drop

Before operating

1. Fill up the oil reservoir with JUKI New Defrix Oil No.l up to the mark "HIGH".

2.

Watch

and

go below the "LOW" mark.

HIGH

mark

Oil

sight

0

m:D-49ai

LOW

mark

window

Oil

reservoir

3.

Under

chine is

oil will spurt against the oil sight window.

(Caution)

1) When the oil gets dirty, change it with new,

fresh oil. If the oil plug of the reservoir is

removed,

2)

When

the machine is to be run for the first

time or when it was idle for a great length

of time, run the machine at 3,000-3,500

s.p.m. for about 10 minutes and allow the

machine to get well-oiled.

see

normal

run

oil will

the

machine

that

the

oil

level

conditions,

after

it is filled up with oil, the

come

when

out.

does

the

not

ma

- 3 -

Oil

gets

z

adjustiiig

amount

less

rmr

I—n

Oil amountgets more

Needle

bar

crank

Grooveofeccentric

Oil

adjusting

Counterweight

pint |

Arm

shaft

Oil adjusting pin

Crank

I f

h)

II

screw

1. Adjusting the oil supply to the face

part

When

adjusting the oil supply to the thread

take-up

remove

ing

justingpin at the tip of the main shaft.

1. When the mark of the adjusting pin comes

2.

(Caution)

The

ately

have

2. Theoil

1.

2.

3. The mark on the oil adjuster shows the

and

needle

bar

crank

components,

the

face

plate

plate and the oil

and

adjustbyturning

near the crank, the oil amount gets less.

When

the mark comes to the opposite side

of the crank, the oil amount gets more.

oil

amount

after

thisinmind.

The

oil

as

shown

and the oil hole of the main shaft come

does

not

the

adjustment,sowhen

adjusting adjusting

in the

hasacarved

figure.

change

When

prevent

the oil ad

immedi

adjusting,

groove

this

groove

together, the oil amountgets more.

When

the

groove

is at the

the oil hole, the oil amount gets

side without the carved groove.

opposite

less.

side

of

"Oil

regulating

valve

3. Adjusting the oil supply to the hook

components

The

supply

- 4 -

of oil to the

can be

adjusted

the

hook

1. If this

the oil amount gets more.

2. If this

amount

by the oil

shaft

valveisturned

valve

gets

less.

hook

regulating

toward

components

valve

on

@side(right),

Juki DLD-432 Instruction Manual

Specifications and Main Features

Frequently Asked Questions

User Manual