Mitsubishi LU2-410, LU2-430 User Manual

MITSUBISHI

INDUSTRIAL

MACHINE

TECHNICAL

Single,

Double-Needle

Lockstitch,

Thread,

Variable

SEWING

INFORMATION

Model

LU2-410.

Compound

Speed

feed.

-430

Automatic

ET-0I9A

MITSUBISI

MITSUBISHI

ELECTRIC

CONTENTS

MACHINE

HEAD

SPECIFICATIONS

THREAD

TRIMMER

PREPARATIONS

1. POWER

2.

CONNECTION

3.

ADJUSTMENT

NOTE

ON

1.

OILING

2.

OILING

3.

LUBLICATION

4.

ADJUSTMENT

5.

HANDLING

CABLE

USE 6 ~ 7

(1) 6

(2) 6

CONSTRUCTION

DIAGRAM

FOR

OPERATION

WIRING

WITH

OF

CONTROL

NEEDLE

CONDITION

OF

LUBLICATION

INSTRUCTIONS

BOX 5

BAR

STOP

POSITION

TO

ROTATING

HOOK

2

3

4~5

4

5

7 7

7

HOW

TO

1.

INSTALLATION

2.

WINDING

3.

SELECTION

4.

THREADING

5.

ADJUSTMENT

6.

SETTING

7.

WINDING

8.

TENSION

9.

BALANCE

10.

TENSION

11.

ADJUSTMENT

12.

TIMING

13.

ADJUSTMENT

14.

RELATION

15.

RELATION

16.

RELATION

17.

SAFETY

18.

ADJUSTMENT

19.

ADJUSTMENT

USE

THE

OF

ADJUSTMENT

OF

ADJUSTMENT

CLUTCH

SEWING

OF

BOBBIN

OF

THREAD

OF

NEEDLE

OF

STITCH

BOBBIN

THREAD

NEEDLE

OF

PRESSER

OF

FEED

BETWEEN

BETWEEN BETWEEN

(SAFETY

OF

UPPER

OF

OUTER

MACHINE

NEEDLES

THREAD

THREADS

LENGTH

THREADS

OF

TENSION

THREAD

FOR

DOG

ROTATING

ROTATING NEEDLE

FEED

AND

BOBBIN

FOOT

ROTATING

PRESSURE

HEIGHT

HOOK

AND

DEVICE)

(NEEDLE

INNER

AND

REVERSE

THREADS

HOOK

AND

FEED

SIDE)

PRESSER

AND

TAKE-UP

OPENER

DOG

SEWING (TOUCH BACK)

NEEDLE

LEVER

MOTIONS

STROKE

FOOT

8~17

8

9

10

1 1 1

1

12

13

14

14 15

16 16

17

ADJUSTMENT

1.

INSTALLATION

2.

POSITIONING

3.

ADJUSTMENT

4.

ADJUSTMENT

5.

ADJUSTMENT

6.

SHARPENING

7.

ADJUSTMENT

8.

INSTALLATION

9.

REMOVAL

10.

FEED

11.

ADJUSTMENT

DOG,

OF

THREAD

OF

OF OF

THE

OF

HOOK

THROAT

OF

MOVABLE

THREAD

MOVABLE

FIXED

NEEDLE

OF

SOLENOID

BRACKET

PLATE,

NEEDLE

TRIMMER

AND

KNIFE

GAUGE

HOOK,

UP

KNIFE

CRANK

STOP

CAM

FIXED

DISTANCE

KNIFE

MESHING

BOBBIN CASE, BOBBIN,

POSITION

PRESSURE

AND

BED

SLIDE

18~24

18

19 19

20 21

.21

22 23

23

24

ADJUSTMENT

1.

SELECTION

2.

PEDAL

3.

ADJUSTMENT

4.

ADJUSTMENT

5.

OPTIONAL

THREAD

TRIMMER

AND

APPLICATIONS

OF

POSITIONS1AND

OPERATION

OF OF

FUNCTIONS

TROUBLESHOOTING

PEDAL

RUNNING

FOR

2

OPERATION

SPEED

CONTROL

PRESSURE

LIST

SYSTEM

25-27

25

25 25

26-27

28-29

1.

Take-up

2.

Crank

3.

Needle

regulator

4.

Eccentric

5.

Crank

6.

Oil

7.

Pressure

8.

Needle

9.

Thread

10.

Arm

11.

Timing

12.

Timing

13.

Balance

14.

Synchronizer

15.

Arm

tank

thread

rod

bar retainer

shaft

belt

lever

ring

adjusting

rock

pulley

wheel

tension

screw

shaft

(upper)

16.

Needle

17.

Reverse-stitch

18.

Stitch

19.

Reverse-stitch

20.

Feed

21.

Timing

22.

Lubricator

23.

Feed

ate)

24.

Feed

25.

Filter

26.

Feed

27.

Hook

28.

Feed

29.

Thread

30.

Thread

bar

length

shaft

belt

shaft

lifting

rock

shaft

rock

timmer trimmer

rock

lever

adjusting

solenoid

crank

pulley

crank

rod

cam

shaft

link

(right)

(lower)

(intermedi

solenoid

cam

dial

31.

Touch-back

(pushbutton)

32.

Feed

33.

Movable

34.

Fixed

35.

Hook

36.

Hook

37.

Fixed

38.

Opener

39.

Bed

40.

Pressure

41.

Rock

42.

Needle

43.

Face

44.

Needle

45.

Needle

bar

knife

bracket

knife

bar

pressure

bar

plate

bar

switch

bracket

bar

clamp

support

SPECIFICATIONS

SpecificationsofLU2-410-B1T

Model

Specifications

Application

Max.

Stitch

Needle

Pressure

Rotating

(for

thread

stitching

Needle

length

bar

stroke

foot

stroke

hook

trimming)

speed

and

LU2-430-B1T

Fully

lubricated

hook

slys

LU2-410-B1T

rotating,

equipped

running

Knee

lifter—16

automatically

horizontal

with

prevention

Heavy

2000

0to9

36.0

DPX17

type

bobbin

spring

materials

SPM

mm

mm,

hand

#20to#23

Fully

lubricated

hook

running

LU2-430-B1T

lever —8

rotating,

horizontal

equipped

prevention

mm

automatically

type

with

idle

spring

Alternate

Thread

Automatic

up/down

Bobbin

trimming

Lubrication

back-tack

Bed

size

method

Note: Use feed dog,

specifically

Use

high-quality

stroke

throat

utilized

bobbin

plate,

for

thread

whichisnot

Horizontal

rotating

trimming.

Aluminum

combination

Automatic

Touch

hook,

bobbin

deformed.

2to6

bobbin

of

back

512X178

case,

mm

for

thread

fixed

Lubrication

leven

system

mm

bobbin,

trimming

and

movable

and

bed slide which

knives

are

THREAD

TRIMMER

@

DIAGRAM

Part

Names

1.

Machine

2.

Touch

3.

Reverse-stitch

solenoid

4.

Balance

5.

Synchronizer

head

switch

wheel

control

Af(gl.A-rnAiLr.i

6.

7.

8.

9.

10.

Thread

Motor

Drive

Control

Machine

plug

trimmer

pulley

box

control

solenoid

cord

11.

12.

13.

14.

15.

e>

Synchronizer

Pedal

Operation

Power

Phase reversing

box

pushbutton

cord

plug

switch

PREPARATIONS

FOR

OPERATION

1.

Machine

POWER

1.1

Connectors

Before

connectors

Configuration

Face plate

Touch-back

Phase

plug

Ztype

Control

CABLE

WIRING

connecting

and

switch'

reversing

LIMI-STOP

connectors

their

inserting

txDx

^

with

directions.

Receptacles

machine

Rubber

the

control

Balance

/

for

cables

wheel

Synchronizer

Solenoid

With

additional

back

cushion

box,besuretocheck

I Power

switch

this

tack,

pushbutton

box

(option)

opetional

functions,

canbeused.

the

solenoid

box,

suchasautomatic

shapesofmatching

1.2

1.3

Lamp

(1)

{2}

(3)

Power

Cable

same

(1) In

(2)

(3)

Leads

Lamp

motor

machine. insulation from

them

be

sure

with

insulation

Use6V,

When

insulate2lamp

Cable

connection

as

that

the

U

phasetored

lead,

andWphasetoblack

to

ground

Power

is 10 A;

15

A.

Control

leads

are

providedatthe

for

fittingawork

To

fit

tape

and

the

lamp

to

lamp

wires.

to

protect

tape.

15-20Wlamp.

lamp

caseofa

is

leads.

Connection

for

the

3-phase

lead,Vphasetowhite

green

fuse

capacity

that

for

box

fuse

back

lamp

to

the

lamp,

insulator

leads.

After

not

power

standard

remove

Then,

connection,

connected

used,

supplyisthe

clutch

motor,

properly

connect

wires

properly

motor.

connect

lead.Besure

leadbyconnecting

for

3-phase

single-phase

capacity

motor

is 8 A.

of

the

w•

li

nilfc

JK'.j-

it

is

^

|

mniii

s-,

k

u

'$

I

JUBf

1.4

Motor

To

Rotating

reverse

Direction

the direction of motor rotation, disconnect the phase reversing plug from the

motor end cover, turn It 180°, and then plug it into the end cover. In the case of a

phase motor, turn on the switch after the motor is broughttoa complete stop (approx

imately 2 minutes). Also, be suretofully insert

the

plug.

single-

2.

CONNECTION

Wire

Note: (1)

the

WITH

control

boxasshownatright.

For

the

connecting

connectors,

the

power

(2)The

head

as

mind

specified

combination

and

when

headorcontrol

CONTROL

sakeofsafety,

or

disconnecting

be

suretoturn

switch.

motor

control

below.

correct

replacing

combination

the

box.

of

BOX

before

off

machine

box

Keep

machine

Round

holeintable

Solenoid

is

box

in

Clutch

Brake

External

volume

Position

the

timing marks are

1/2

select

switch

3.

ADJUSTMENT

When with

Machine

LU2-410Binn

LU2-430BinD

the

pedal is kicked down by heel and thread trimming is completed, the machine stops

the

timing mark

OF

head

NEEDLE

"B"

Control

LE.MD-120

LE-MD-120

BAR

box

STOP

matching with

POSITION

the

white timing mark "C". The needle bar stop

position of all sewing machines are factory-adjusted. However, if

alignment more than 3 mm, adjust the setting position of light shielding disc in the following

procedure:

[Preparation]

1)

Disconnect

cable,

which

head,

from

2) Remove

3) Run

the

needle

pletionofpreparation,

ing

adjustment:

the

synchronizer

machine

at

UP

plug

comes

control

position.

(12

outofthe

box.

cover.

and

stop

After

start

pins)

machine

with

the

of

Light shielding disc

the

com

follow

out

of

[Adjustment]

1) While holding

hand,

turn

timing

Repeat

2)

heel

the

specified

3)

Then,

comes

receptacle.

marks

down)

needle

set

from

the

pedal

several

always

position.

the

light shielding disc by

balance

"B" operation

plug

machine

wheel

and

"C"

are

(toe

down

timestomake

stops

exactlyatthe

(12

pins), which

head,

until

aligned.

and

sure

into

the

Whitetiming

mark

the

NOTE

1.

ON

USE

OILING

Fill

mark.

checked.

"L"

the

fiedbyMitsubishi.

the

level,

"H"

(1)

oil

Oil level

reservoir

When

level. Use

oil

replenish

with

oilupto

should

levelislower

the

white

be

reservoir

spindle

the

"H"

periodically

than

the

with

oil

to

oil

speci

2.

OILING

When a

first long

amount

arrowsinthe

(2)

new

timeora

time

is

of

sewing

used

oil

to

figure

machine

again,

portions

below.

is used

shelved

apply

indicated

for

the

for

required

by

a

Oil

level

5

3.

LUBRICATING

Check ne

oil

CONDITION

lubricating

runningbyviewing

sight

port.

condition

oil

drips

during

through

machi

the

4.

ADJUSTMENT

ROTATING

OF

HOOK

LUBRICATION

TO

(Motor

Remove

every

operation filter

thereby

I

maintenance)

dust

two

or

three

with

will

cause

reducing

from

the

motor

months.

lint-

or

dust-clogged

the

motortooverheat,

motor

service life.)

filter

(Continued

I

[ncrease

Decrease

Dustproof

^

Adjust

screw

filter

5.

HANDLING

(1) When

(2)

(3) Be

(4) Do

INSTRUCTIONS

the

poweristurned

Note

that

the

failure

the

semiconductor

occurs

suretoclose

control

not

applyamultimetertothe

machine

during

box,

parts.

may

operation.

the

control

resulting in

onoroff,

not

box

malfunction

keep

be

braked

cover

control

foot

during

and

circuits.

away

when

sewing

trouble.

Voltage

from

the

poweristurned

operation.

from

pedal.

Otherwise,

the

off

multimeter

or

dust

when

will

may

power

enter

damage

Mitsubishi LU2-410, LU2-430 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual