Brother KE-430D, BE-438D Service Manual

KE-4300

BE-4380

Please read this manual before using the machine.
Please keep this manual within easy reach for quick reference.

SERVICE MANUAL

ELECTRONIC
ELECTRONIC

DIRECT
DIRECT

DRIVE
DRIVE

LOCKSTITCH

LOCKSTITCH

BAR
BUTTON

TACKER

SEWER

This service manual is intended for KE-4300, BE-4380; be sure to read the KE-4300, BE-4380 instruction manual before

this manual.
Carefully read the
start maintenance.

"SAFETY INSTRUCTIONS" below and the whole of this manual to understand this product before you

~-·

As a result of research and improvements regarding this product, some details
for the product you purchased.
If

you have any questions regarding this product, please contact a Brother dealer.

of

this manual may not

be

the same as those

SAFETY INSTRUCTIONS

1. Safety indications and their meanings

This service manual and the indications and symbols that are used on the machine itself are provided in order to ensure

of

safe operation
The meanings

Indications

A DANGER

A cAUTION

Symbols

this machine and to prevent accidents and injury to yourself or other people.

of

these indications and symbols are given below.

The instructions which follow this term indicate situations where failure to follow the
instructions

The instructions which follow this term indicate situations where failure to follow the
instructions could cause injury when using the machine or physical damage to equipment
and surroundings.

will almost certainly result in death or severe injury.

.&.

.....

.

This symbol
indicates the nature
(For example, the symbol at left means

This symbol

This symbol ( e ) indicates something that you must do. The picture inside the circle indicates the

nature
(For example, the symbol at left means

(b.)

indicates something that you should be careful of. The picture inside the triangle

of

the caution that must be taken.

((9)

indicates something that you must not

of

the thing that must be done.

"beware

"you must make the ground connection".)

of

injury".)

do.

KE-4300, BE-4380

2. Notes on safety

lA

Wait at least 5 minutes after turning off the power switch and disconnecting the power cord from the wall outlet

~

before opening the face plate
severe injury.

A DANGER

of

the control box. Touching areas where high voltages are present can result in

A CAUTION

Environmental requirements

ft

Use the sewing machine in an area which is free from

V sources

high-frequency welders.
Sources
problems with correct operation.

ft

Any fluctuations in the power supply voltage should

V be within ±10%

Voltage fluctuations which are greater than this may
cause problems with correct operation.

ft

The power supply capacity should be greater than the

of

strong electrical noise such as

of

strong electrical noise may cause

of

the rated voltage for the machine.

V requirements for the sewing machine's electrical

consumption.
Insufficient power supply capacity may cause
problems with correct operation.

Installation

I(:\

Machine installation should only be carried out by a

\..Y qualified technician.

Contact your Brother dealer
for any electrical work that may need to be done.

0

or

a qualified electrician

A The sewing machine weighs approximately 56 kg.
V The installation should be carried out by two

people.

f(;'\

Do not connect the power cord until installation is

or

more

\..Y complete, otherwise the machine may operate if the

foot switch is depressed by mistake, which could
result in injury.

A Hold the machine head with both hands when tilting it

~

back

or

returning
Furthermore, after tilting back the machine head, do
not push the face plate side
above, as this could cause the machine head to
topple over, which may result in personal injury
damage to the machine.

Be sure to connect the ground.
connection is not secure, you run a high risk

•
receiving a serious electric shock, and problems with

correct operation may also occur.

it

to its original position.

or

the pulley side from

If

the ground

or

of

A The ambient temperature should be within the range
V

of

5°C to 35°C during use.

or

Temperatures which are lower
may cause problems with correct operation.

higher than this

A The relative humidity should be within the range of

V 45% to 85% during use, and

occur in any devices.
Excessively dry or humid environments and dew
formation may cause problems with correct operation.

no

dew formation should

A Avoid exposure to direct sunlight during use.

V Exposure to direct sunlight may cause problems with

correct operation.

A In the event

of

an electrical storm, tum off the power

V and disconnect the power cord from the wall outlet.

Lightning may cause problems with correct operation.

All cords should be secured at least 25
from any moving parts. Furthermore, do not

0

t<::"\

excessively bend the cords or secure them too firmly

mm

away

\..Y with staples, otherwise there is the danger that fire or

electric shocks could occur.

A Install the safety covers to the machine head and
V motor.

A

If

using a work table which has casters, the casters

V should be secured in such a way so that they cannot

move.

t<::"\

Be sure to wear protective goggles and gloves when

\..Y handling the lubricating oil and grease, so that they

or

do not get into your eyes
inflammation can result.
Furthermore, do not drink the oil or eat the grease
under any circumstances,
and diarrhoea.

of

Keep the oil out

the reach

onto your skin, otherwise

as

they can cause vomiting

of

children.

ii

KE-4300,

BE-4380

A CAUTION

Sewing

tC'\ This sewing machine should only

\Y

operators who have received the necessary training
in

safe use beforehand.

tC'\ The sewing machine should not

\Y

applications other
Be sure to wear protective goggles when using the

machine.

0

If goggles are not worn, there
needle breaks, parts of the broken needle may enter
your eyes and injury may result.

than

sewing.

is

be

used by

be

used for any

the danger that if a

A Tuin off the power switch at the following times,

~

otherwise the machine may operate if the foot switch

in

is depressed by mistake, which could result

• When threading the needle

• When replacing the needle

• When not using the machine
machine unattended

and

bobbin

and

when leaving the

injury.

Cleaning

A Tum off the power switch before carrying out

~

cleaning, otherwise the machine may operate

is

foot switch
result in injury.

depressed by mistake, which could

if

If using a work table which has casters, the casters

be

should

0

move.

A Attach

L.:!:::l.

machine. If the machine

' devices attached, injury may result.

A

Do

L.:!:::l.

objects against the machine while sewing, as this
may result
machine.

If an error occurs in machine operation, or if abnormal
noises or smells are noticed, immediately tum off the

0

power switch. Then contact your nearest Brother
dealer or a qualified technician.

If the machine develops a problem, contact your
nearest Brother dealer or a qualified technician.

0

secured

all

safety devices before using the sewing

not touch any

in

such a way

of

the moving parts or press any

in

personal injury or damage

is

so

used

that they cannot

without these

tC'\ Be sure to wear protective goggles and gloves when

the

\Y

handling the lubricating oil
do not get into your
inflammation can result.
Furthermore, do not drink the oil or eat the grease
under any circumstances, as they
and diarrhoea.

the

oil

Keep

out of the reach of children.

eyes

and

grease, so that they

or onto your skin, otherwise

can

cause vomiting

to

the

Maintenance and inspection

tC'\ Maintenance

\Y

should only
Ask your Brother dealer

carry out any maintenance and inspection

0

electrical system.

A Tum off the power switch and disconnect the power

~

cord from the
otherwise the machine may operate
is depressed by mistake, which could result

• When carrying out inspection, adjustment
maintenance

• When replacing consumable parts such as the
rotary hook

A If the power switch needs to

L.:!:::l.

out some adjustment,
all safety precautions.

and

inspection of the sewing machine

be

carried out by a qualified technician.

or

a qualified electrician to

wall

outlet at the following times,

if

the foot switch

be

left

on

when carrying

be

extremely careful to observe

of

in

injury.

KE-4300,

A Hold the machine

~

back or returning it
Furthermore, after tilting back the machine head,

the

and

not push the face plate side or the pulley side from
above,
topple over, which may result
damage

Use only the proper replacement parts as specified
by Brother.

0

If
absolutely sure to re-install them to their original

0

positions and check that they operate correctly before
using the machine.

as

to

any safety devices have been removed, be

head

with both hands when tilting it

to

its original position.

this could cause the machine head to

in

the machine.

tC'\ Any problems in machine operation which result

\Y

unauthorized modifications
covered

BE-4380

by

the warranty.

to

the machine will not be

do

personal injury or

from

iii

3. Warning labels

The following warning labels appear
Please
difficult to read, please contact your nearest Brother dealer.

follow the instructions on the labels at all times when using the machine. If the labels have been removed or are

on

the sewing machine.

1

Be sure to connect the ground.
connection is not secure, you run a high risk
receiving a serious electric shock, and problems
with correct operation may also occur.

of

Direction

operation

If

the ground

of

2

A

A~B

lb<U~"t!ltil<f1"tl.

i.'i:!l&i&l!f?lt-c.

f"tt~::c!::.

.tti!L..

tiDII*:~KIUilfT

Moving

Operate
Tum
threading,
and

Safety devices

Uf~-:~"Cil'i:;,

~1!:..-~ttOl~!i.

A

CAUTION

parts

with

off

main

changing

needle,

Eye guard
Finger guard
Tension release solenoid cover
Thread take-up cover
Frame side cover
Back cover, etc.

6Ulfllll

t~::c!::.

may

cause

safety

switch

cleaning

injury.

devices.

before

bobbin

etc.

•

Finger guard

Thread take-up cover

4

Tension release
solenoid cover

4399Q

iv

KE-430D, BE-438D

4467Q

CONTENTS

,-..,_/

1. SPECIFICATIONS .................................... 1

2.

FUNCTION SETTINGS ............................ 2

List

of

special

2-1.
2-2. Ust of advanced functions
2-3.

Setting

2-4.

Ust of memory

2-5.

Setting

2-6.

X-V

parallel

2-7.

Clearing

2-8.

Checking

2-9. Input
2-10. Output checking
2-11.

Confirming

3.

USING CF CARDS ..................................

3-1.

Notes
(purchase

3-2.

Structure

3-3.

Preparation

3-4.

Reading

functions

memory

the work

movement for

saved

the error history

checking

software

on

handling

at

local

of a

for

additional

Selecting the "r

3-5.

Writing

3-6.

Reading

3-7.

Writing

3-8.

Reading

3-9.

Writing user
3-10.
3-11.

additional

memory

Updating

Writing

memory

user

program

the

error

INhen

power

.....................................

switches

switches

clamp

{Advanced)

........................................

mode

sewing

data (Initialization)

...................................

method

.........................................

method

...................................

version

CF

cards

retailers)

CF

card

reading

sewing

1"

CF

sewing

switch

switch

program

control

log

data

.................................

folder

...............................

and

writing

data

data

read/write

data

data

data

to

data

................................

data

to

programs

to the

is

turned

on

.......

.................

..............................

patterns

.......

......................

.............................

data

............

mode

.....

to

the

CF

card

...

.............................

the

CF

card

......

the

CF

card

.........

.........................

CF

card

................

2

3

4

5 ·

1 o

11

12
13
14
16
17

18

18
18
19

20
20
21
21

22
22
23

24

4. MECHANICAL DESCRIPTIONS ............ 25

4-1.

Needle

4-2. Lower shaft and
4-3. Work

4-4. Thread wiper

4-5.

Feed

4-6. Thread trimmer
4-7. Tension release
4-8. Thread nipper

bar

and

clamp

lifter

mechanism

mechanism

mechanism

thread

take-up mechanisms

shuttle

race

mechanism

mechanisms

..............................

........

....................................

..................................................

mechanism

mechanism

................................

...............................

..................................

....

25
25
26

27

28
29

30
30

5.

DISASSEMBLY ....................................... 31

5-1.

Covers
Work

5-2.
5-3. Needle bar
5-4. Upper shaft
5-5. Lower shaft
5-6.

Feed

5-7. Work
5-8.

Thread

5-9. Tension
5-10.
5-11.
5-12. Shuttle

6.

ASSEMBLY .............................................

6-1.

Thread

6-2.

Tension

6-3.

Thread

6-4.

Thread

6-5. Work
6-6.

Feed

6-7. Upper shaft

6-8. Needle bar mechanism

6-9. Lower shaft
6-10. Shuttle hook
6-11. Thread trimmer
6-12. Work
6-13. Work
6-14.

7.

ADJUSTMENT ........................................

7-1.

Standard

7-1-1.
7-1-2.

7-2.

Adjusting

7-3.

Adjusting

7-4.

Adjusting

7-5.

Adjusting

7-6.

Adjusting

...................................................................

clamp

arm

mechanism
clamp

Thread
Thread

clamp
mechanism

mechanism

mechanism
mechanism

lifter

wiper

mechanism

release

nipper
trimmer
hook

trimmer

release

wiper

mechanism

nipper

lifter

mechanism

mechanism

..................................................

mechanism

mechanism

mechanism

mechanism

mechanism

mechanism

mechanism

mechanism

mechanism

..................................................

..............................

.......................................

......................................

......................................

..............................

....................................

...............................

................................

..............................

...................................

(1) ..........................

...............................

....................................

..................................

..............................

......................................

.......................................

Covers

Upper
Thread

mechanism

mechanism

clamp

arm

clamp

arm

.................................................................

thread

tension

and

take-up

the

needle bar height

the

needle bar lift

the

driver needle

the

needle clearance

the

shuttle

......................................

...................................

mechanism

mechanism
mechanism

{2)

{KE-4300) ........

{BE-4380) ........

......................................

lower

thread

tension

spring

...............................

amount

guard

...........................

race

thread

........................

..........................

guide

...............

...................

.......................

..............

31
32
33

34
35

36
37
39
39
40
41
42

43
43

45
45
46

47
50

54
55

57
59
60
61
62
53

64
64
64
65

66

66
66

67

67

KE-430D, BE-438D

7-7.

Adjusting

7-8.

Replacing

7-9.

Adjusting
(KE-4300}

7-10.

7-11.
7-12.

7-13.
7-14.
7-15.
7-16.

7-17.

7-18.
7-19.
7-20.
7-21.

the

the

Adjusting
(BE-4380)
Adjusting
Adjusting
(BE-4380)
Adjusting
Adjusting
Adjusting
Adjusting
lower

shaft
Adjusting
7-17-1.
7-17-2.
Adjusting
Adjusting
Adjusting
Checking

X-V
Work

position

the

movable

work

.............................................................

the

...........................................................

the
the

...........................................................

the
the
the
the

gear

the

feed

the
the
the
the

of

the

movable

knife

and

clamp

lift

amount

button

clamp

lift amount

holding
position

thread
thread
tension
backlash

home

clamp
position
needle
needle

machine

pressure

of

the

button

trimmer
wiper

.................................

release

of

the

..................................................

position

home

lift

..............................

position

home

of

the

thread

up

stop

up

stop

head

switch .................

knife

fixed

knife

(BE-4380)

clamp

cam

position

amount...

........................

position

home
position

...........

..............

nipper

position

..............

.......

.....

......

......

......

...

68
69

70

70
71

71
71
72
73

73
7 4
74
75
76
78
79
80

8. Applying grease
(When

"GREASEUP" appears) ............

9. ELECTRIC MECHANISM .......................

9-1.

Precautions

9-2.

Components
the

operation

9-3.

Fuse

9-4.

Connectors
9-4-1.
9-4-2.

10. TABLE

11. SEGMENT DISPLAY

at

the

time of
inside
panel..

explanation

Connector
Contact

OF

..................................................

............................................................

positions

failure

ERROR CODES ................

adjustment...

the

control

box

.............................................

..................................

............................................

UST

...................

.............

and

81

84
84

85
86
87
87
89

92
95

KE-4300, BE-4380

1. SPECIFICATIONS

1. SPECIFICATIONS

KE-4300

Electronic direct drive lockstiteh bar tacker Electronic direct drive lockstitch button sewer

Stitch formation
Maximum sewing speed
Pattern size (X x Y)

Dimensions
buttons that can be (Use the optional button clamp B for
sewn diameters

Feed mechanism
Stitch length

Number
Maximum stitch number

Work clamp
Work clamp height

Button clamp height
Rotary hook

Wiper device
Thread trimmer device

of

---------

of

stitches

lifter Pulse-motor driven mechanism

Shuttle hook (shuttle hook 2, optional)

3,200 rpm 2,700 rpm

40 x 30 mm max.

Y-6

intermittent feed mechanism (pulse-motor driven mechanism)

Variable (Refer to "Program List" for details on the number

for

210,000 stitches (including 200,000 stitches which can be added)

17 mm max.

Single needle lock stitch

Outer diameter

0.1

-12.7

mm

sewing patterns that are already preset.)

Standard equipment
Standard equipment

BE-438D ·

6.4 x 6.4
of

of

20 mm

13 mm max.

Shuttle hook

mm

max.

button 8 - 30 mm

or

greater.)

of

stitches

Thread nipper device
Data storage method Flash memory (Any sewing pattern can be added using

of

Number
Number

Number

Motor

Weights

Power source

user programs 50

of

cycle programs

89 sewing patterns

of

stored data

are set already

(Up to

200 patterns can be added. Total number

Machine head: approx.

Control box:

Single-phase 1

KE-430D, BE-438D

which can be added

OOV

I 220V, 3-phase 200V I 220V I 380V I 400V

Standard equipment

9

AC

servo motor 550 W

56

kg, Operation panel: approx. 0.6 kg

14.2-16.2

kg (depending on destination)

49 sewing patterns

of

is

within 200,000.)

are set already

stitches

CF card)

of

stored data

400VA

1

2. FUNCTION SETTINGS

2. FUNCTION SETTINGS

2

..

1. List

of

special functions when power is turned on

1 Memory

switch

brother

O!CAUTION

3

2

8

setting mode (Standard)

+

EJ

4541Q

0 X

X·SCALE

+-+

0 t Y

Y·SCALE

oE)SPEED

OIDEIEIICOUNTER
0

_,

SPRIT

No.

§)

1 8

6 Output check

888

function

®

+

5

6

9

7

-~

4

4540Q

D

0 4546Q

2 Memory

3

Refer to "2-7. Clearing saved data (Initialization)".

4

Error

log

lmt!J3(!)

._

STEP

Input

5

check function

Refer to the Instruction Manual.

switch

setting mode (Advanced) 7

+

display

function

T

Refer to "2-8. Checkin

+

@ +

+Q

04542Q

EJ
EJ

D

0 4545Q

<5<3Q

4544Q

the error histo

®

8 Home

~ty\

STEP\.!_)

9

li!ll!l

~

STEP

Refer to "2-11. Confirm

position

+

adjusting mode

~IB!J

~

@

+

®

EJ

in

software version".

s':P

+ u 4548Q

D

0 4549Q

method".

4547Q

D

2

KE-4300, BE-438D

2. FUNCTION SETTINGS

~---

2-2. List

While holding down the TEST

of

advanced functions

4

1

key,

press the corresponding combination

brother

O!CAUTION

0 X

X-SCALE

.....

0 t Y

Y-SCALE

oE}SPEED

O[Df.JI!1[COUNTER

0

_I

SPRIT

No.

EJ§J§J§J

key.

7

6

3

2

1 Memory

Lower thread

2

switch

counter

setting

•

Production

3

4

Production
When the SPEED indicator lights

counter

counter

mode

(Standard)

+

Refer to the Instruction Manual.

setting

+

Refer to the Instruction Manual.

setting

+

Refer to the Instruction Manual.

temporary

mode

~(!)

STEP

mode

ri\

·:·

~STEP

display

4489Q

4490Q

4491Q

function

5 User program setting

•

6

Parallel

movement

mode

-

Refer

to

"2-6.

X-Y

rallel

Grease

7

8 CF data read/write

up

counter

setting

mode

4550Q

mode

+

Refer to the Instruction Manual.

+

®

movement

for sewi

mode

+@

Refer to

"8.

A

4493Q

4551Q

ttems".

4552Q

rease".

Iii+

Refer to the Instruction Manual. Refer

4492Q

to

KE-430D, BE-438D 3

"3-3.

+

Pre

aration for readin

4553Q

2. FUNCTION SETTINGS

2-3. Setting memory switches (Advanced)

1

2

All indicators switch

brother

O!CAIITION

-

•

-

•

I

....I...

0 (

...

YY•SCAlE

ol

~SPEED

ol

Ot;

IIJCOUifi'ER

0 I

.....:-

1111!(!)

8§)8811

off

X·SCALE

SPRITNo.

]----,

~

PlllGIWINo. @

....

0001:)

Menu

®

®!

indicators switch off

TEST indicator

While pressing
the power switch.

* Keep pressing

model name

the

TEST

the

is

displayed

TEST

key

key

and

and

SELECT

and

SELECT

the

buzzer beeps once.

key,
key

turn

until

•

• The memory switch number will appear in the
No.

PROGRAM
appear in the menu

li

hts 4449Q 4421Q

Press the
number.

Press the

ll

A

display,

or V key

or

T

key

and

its setting value

display.

to

select the memory switch

to

change the setting value.

on

the

will

mm

~fT\

STEP\!._)

-11-

you·

-.,ioui(l-lii<e

memory switches that have been changed from • The numbers of memory switches that have
default settings changed from default settings will appear

3 Ending setting mode

• If you would like
RESET

•

To
two

®

-i,,--

ilisplay

key

return the settings for

or

more seconds until

...

STEP

·

oniy

·tile·

iiumilerii

TEST indicator switches off

to

return the setting for a single memory switch

while the number for that memory switch is displayed.

all

memory switches
the

buzzer makes a long

·a;·-

wtiil~-

j,;~~;i~-9

• If

no

memory switches
default settings, the display
buzzer will beep twice.

Press the

• The changes
machine

to

TEST

will switch

the default settings,

beep.

the

key.

will

si=-CEcr·

it~y.-

j,;~~;

have

been
will

be

memorized

to

home position detection

to

the

default setting, press

keep

pressing the RESET

iiie

changed from their

not change

4554Q

-K.

-~~-v-i<~y.--

been

in

order.

and

the

4555Q

and

the sewing

standby.

the

key

for

4

KE-430D, BE-438D

2. FUNCTION SETTINGS

2-4. List

No.

001

003

100

200

300

400

401

402 .

500

*1

Off for KE-430D and ON for BE-438D.
*2 The mm display may differ
*3 May not operate

*If

nipper device

of

memory switches

Setting

range

Work clamp/button clamp

OFF

ON

2-step work clamp

OFF

ON

Slow start

OFF

ON

Sinole-stitch test feed

OFF

ON In addition, when the test indicator is illuminated, test feeding will move foiWard

Production counter

OFF

ON

User programs

OFF

ON

programs

Cycle

OFF

ON

Units display for pattern zoom ratio (*2)

OFF Displayed as

ON

Thread nipper device

OFF

ON

memory switch No.

Lifts

at

Lifts after moving to the home position.
Disable

Stops
depressed to 1st step, and then drops fully and sewing starts when foot switch is
depressed to 2nd step.

The sewing speed for the first 1 - 5 stitches is set by memory switch nos.

155.
KE-430D: Slow

rpm.
BE-438D:

Test feed starts when the foot switch
until

the final stitch.

Test feeding is carried out stitch
one stitch

display
Lower thread counter display
Production counter display

Disable
User program mode is enabled.

Disable
When sewing user programs, the set programs are sewn in numeric order.

Displayed as mm.
Disable

Thread nipper device can be used. {*3)

if

the settings

will not work.

slightly from the actual sewing size.

151

and No. 152 are set to a combination that does not appear

Setting items

lift timing when sewing is complete

the final stitch position.

at intermediate work clamp height setting mode when foot switch is OFF

151

start with 1st stitch sewn

Slow start with 1st and 2nd stitches sewn at 400 rpm.

by

at

a time when the machine pulley is turned by hand.

at

400 rpm and 2nd stitch sewn at 800

is

depressed, and it continues automatically

stitch when the foot switch is depressed.

%.

for

the memory switches have been changed,

or

at some sewing speeds.

in

the following table, the thread

Default

OFF

­OFF

*1

OFF

OFF

OFF

OFF

OFF

No.
151
152

*

If

the sewing speed is set to a lower speed than the setting for memory switch No. 152, the thread nipper device will not

work.

Setting value [1] Setting value [2}

15
20 12

8

KE-430D, BE-438D

Setting value [3]

4

6

5

2. FUNCTION SETTINGS

ork c amp

w

No.

050

051

s

ewmg

No.

150

151

152

153

154

155

156

157

158

159

*4 D fa It

e u

No. KE-430D-01, -07
151
152
153
154

sett1ngs

Setting

ranQe

Work clamp motions

.

1
2

3

4

clamp ooeration and thread winder operation before home position detection

Work

OFF

ON

h"

mac

me

motor

Setting

range

Highest needle position stop

OFF Disable

ON

Speed for the first stitch at the sewing start [Units x

4-32

····.r.:-27····

S_Qeed

for the second stitch at the sewing start [Units x 1 00 rpm]

4-32

· --·.r.:-21

Speed for the third stitch at the sewing start [Units

----.r.:-27·---

Speed for the fourth stitch at the sewing start [Units x 100

----4-.:-27

Speed for the fifth stitch at the sewing start [Units x 100 rpm]

----4-~27

Speed for the fifth stitch before the sewing end [Units x 100

----4-~27

Speed for the fourth stitch before the sewing end [Units x 100 rpm]

----4-~27

Speed for the third stitch before the sewing end [Units x 100

----4-~27·---

Speed for the second stitch before the sewing end [Units x 100

--·-.r~27

va ues

----

4-32

4-32

____

4-32

____

4-32

____

4-32

____

4-32

4-32

____

or

eac mo e se

8

12

Setting items

Single pedal

Two

pedals

Work clamp vertical movement and thread winder operation are not possible

before home position detection.

Work clamp vertical movement and thread winder operation are possible before

home position detection.

settings

The motor operates in reverse when the upper shaft stops, to return the needle

bar to close to its highest position.

(When the motor operates in reverse to raise the needle, the thread take-up will
stop at a position which is lower than its normal stopping position.
thread take-up
pulling out under certain conditions.)

ForKE-430D

-FCirEIE~:38ti~--------------------------------------------------------------······--·

ForKE-430D

-FCirEIE~:3ati·-·---------------------------------------------------------------------

ForKE-430D

-FCirEIE~:3ati·-----------------------------------------------------------------------

ForKE-430D

-FCirEIE~:3ati·-----------------------------------------------------------------------

ForKE-430D

-FCirEIE~:3ati·-----------------------------------------------------------------------

ForKE-430D

-FCirEiE~:3ati·-----------------------------------------------------------------------

ForKE-430D

·FCirEiE~:3ati·-----------------------------------------------------------------------

ForKE-430D

.FCirEIE~:3ati·-----------------------------------------------------------------------

ForKE-430D

-FCirEIE~:3ati·-----------------------------------------------------------------------

h d I

Work clamp is raised automatically.
Work clamp is raised
Work clamp is raised automatically, then it is lowered by depressing

the work clamp switch.

clamp is kept lifted while the work clamp pedal is depressing

Work
the work

clamp switch.

by

depressing the foot switch.

Setting items

As

will rise slightly at the sewing start, and this may result in the thread

100 rpm]

x

100

rpm]

_!I>_m]

rpmJ

rpmJ

rpml

tf

mg

KE-430D-02

15

20
32
32

BE-438D

4

6

9

20

a result, the

Default

1

OFF

Default

OFF

*4

32

------27

------27·-----

------27·-----

------27·-----

______

32

32

32

27

6

KE-4300,

BE-4380

2.

FUNCTION

SEmNGS

No.

161

162

163

164

165

*5

If the value

F d

ee

No.

250

251

252

253

260

261

262

263

264

265

266

267

Setting

range

Needle penetration force increase

OFF

ON

Limitations on sewing speed changes due to

OFF

ON

Limits maximum sewing speed runits X

12-32

---1-2~-i]r

No thread trimming

OFF

ON

Highest needle position stop angle [units 2-degree steps] (*5)

-15-0

is

set

tr

se

lnQS

Setting

range

Mechanism home position return when sewing is complete

OFF

ON

Feed speed

1
2
3
4
5

High speed test feed

OFF

ON

Home position detection method

OFF

ON

Changes the whole feed timing.

-10

-10

Changes the feed timing for the first stitch

-10

-10

Changes the feed timing for the second stitch

-10-10

Changes the feed timing for the third stitch

-10-

10

Changes the feed timing for the third stitch before the sewing end.

-10

-10

Changes the feed liming for the second stitch before the

-10

-10

Changes the feed timing

-10

-10

If

the overall feed timing (No. 260 setting) is changed from the default value, this specifies the

effective number

0 No limit

1-99

Disable
Needle penetration force is increased when sewing machine motor is locked.

Sewing speed fluctuates
Sewing speed is fixed

sewing data.

to

ON

if

(Set

ForKE-430D

___

-F<>rEiE:4:iati·-----------------------------------------------------------------------

Thread trimming is carried out in accordance with sewing data.

thread trimming operations are disabled.

All
0 : Normal needle up position

Needle bar height increases for values in the

to

too large a negative

At the end
At the end
mechanical home position.

100 mm/s Slow
200 mm/s
300 mm/s
400 mm/s
500 mm/s Fast

Normally
Test feeding is carried out

Depress foot switch while the program number is flashing.
Press the special external input switch [EXIN3] while the program number is

flashing (foot switch is disabled).

-10: Early

--

-~~j~~g--

--

-~~j~~g--

--

-~tl~~-g--

---

~~j~~-g---

-

--~tl~~-

--

-~~j~~g--

of

stitches.

Once the specified number
timing returns to standard feed timiog.

chanQes

value,

of

sewing, the feed plate will be returned to the

of

sewing, the feed plate will be returned to the sewing start point via

slow,

but becomes faster when the foot switch is depressed to the 1st

ll

0: Standard

+

~-}~~

+

~-~-~~

-~

-~~-~~

~

~-~-~~

--~

~~-~~

for

the first stitch before the

-~-~~-~~

accordi1!9_

at

in

sewi_!l9_

100!Il_m_1

error

"E11

at

ll

10: Late

at

~~~~

~--

~~~~

~--

~~~~~-

~~~~

~i:~

~~

-g-~-~~g~~~

~--

~--g~-

~--g~

Setting items

chan_g_es

slowest speed for the maximum sewing pitch

sPeed

0" may be generated at the first sewing start after the power

the same speed as normal sewing.

the sewing start.

g~-

~~g~~i~-~-

at

g~-~~g-~~~

at

the sewing start.

g~-

~~g~~~-

~~g~~~

-~~g~~~

of

stitches from the sewing start has been reached,

in sewing pitch

to the sewing pitch

due

to

change§_

n~ative

Setting items

{

~~-

t~!~-----

the sewing start.

-~-

{~~-

t~!~

-~-

{~~-

t~!~-

~-

~

~~-

t~!~---------------------------------

sewi1!9_

-~-

{~~-

t~!~----

sewi1!9_

end.

-~-

~~{~!~-

in

the sewing data.

in

sewil]Q

~itch

might

direction.

sewii'!Q

start point directly.

-----------------------------

---------------------------------

--------------------------------

end.

-----------------------------

--------------------------------

be a

problem_,}_

in

the

st~

Default

OFF

OFF

32

------2.,------

OFF

0

is

turned

on.

Default

OFF

1

OFF

OFF

0

-------

~-

------

-------

~-

------

-------

~--

-----

-------

~-------

-------

~

-------

_______ 5 _______

0

0

KE-4300, BE-4380 7

2. FUNCTION SETTINGS

1pera

1on

pane

0 f

No.

350

se

tf

Setting

range

Operation

0
1

2

3
4
5 Changing program numbers, X-Y scales and sewing speeds is not allowed.
6

7

Changing memorv switches

351

u

ser

pro

No.

450 starting.

451

...

OFF Changes are allowed

ON

ram

settmgs

Setting

range

Moving start Joint when switching

OFF

ON

Split mode selection

0 Continuous split mode (Split menu is disabled before split detection)
1 Continuous split mode (split menu is always enabled)

2

Setting change limitations for user programs

452

OFF No limitations OFF

ON

m_gs

Setting

panel changing limitations

No limitations on changing values set

of

Changing
memorv switches).
Operations other than lower thread counter and production
allowed.
Changing program numbers is not
Changing program numbers

Enlarging X-Y
Changing sewing speeds is not allowed.

Changes are prevented

Feed will move to the next sewing start point after a user program is switched after
Feed will move to the next sewing start point at the same time as a user program

is switched.

Independent split mode

Changing user program details is not allowed.

any values set using the operation panel is not allowed (except for

allowed.

and

X-Y scales is not allowed.

scales is not allowed (reducing is allowed).

Setting items

user

programs

items

usii'\Q_

the operation panel.

counter are not

Default

0

OFF

Default

OFF

0

D ta

a e

No.

460

461

462

463

464

465

466

dlf

tf

mgse

mgs

Setting

range

X direction sewing area

- 40 For KE-430D 40

0

--·-o:.·:;--

Y direction sewing area limitation [units

---·-a:.-7·----

EnlargemenVreduction reference point

EnlargemenVreduction

XY linking of

Recording

Copying to internal memorv not allowed when separate sewing data is being read from CF card

---

-F=orse43so

0 - 30 For KE-430D

OFF

ON

OFF

ON

OFF Disable

ON

OFF

ON

OFF

ON

-F=orse43ao·-----------------------------------------------------------------------

Center point
Sewing start point

Bar tacking stitch lengths (when pitch is approx. 1 mm
reduced.
Bar tacking stitch lengths (when pitch is approx. 1 mm or less) are also enlarged
or

enlargemenVreduction ratios

Enlargement and reduction ratio settings for X and Y become the same. (Disabled
for user programs)

parallel movement amounts for sewing patterns

Reset when program numbers and enlargement reduction ratios are changed and
when power is

Reset when program numbers and enlargement reduction ratios are changed, but
not reset when power is

Data is copied to internal memorv at the same time it is read.
Data is not copied to internal memorv at the same time it is read.

limitation [units mm]

------------------------------------------------------------------------

of

of

bar tacking

reduced.

mml

sewing frame OFF

turned off.

turned off.

Setting items Default

or

less) are not enlarged or

-------1-------

_______ 7 _______

30

OFF

OFF

OFF

OFF

8

KE-4300, BE-4380

2. FUNCTION SETIINGS

Devace

No.

550

551

552
553

rror

E

No.

655

M.

t

am

No.

750

751
752

settangs

Setting

ranae

Needle cooler

OFF

ON

Tension release settings at sewing start

OFF

ON

Tension release timing when thread is trimmed (Units 8-degree

-4-1

Thread nipper timing

1-4

processmg

Setting

range

Disabling

OFF I Sensor is enabled and detects needle

ON

enance se

tt•

Setting

range

Breaking-in operation mode

0 Disable
1 clamp moves

2

3

Breakina-in operation cycle time adjustment timer

0-255

00-99

I

I Disable OFF

I Needle cooler can be used.

I Disable OFF
I Enable

se

tti

I -4: Early o

I

1:

Early o

mas

0:

Standard o

2:

Standard o

1:

4:

I

of

needle up stop position monitoring sensor

I Disable

mgs

Operates continuously while the foot switch is being depressed after the work

up

and down once (no vertical work clamp movement when the
setting value for memorv switch No.
Operates continuously while the foot switch is being depressed after the work

clamp moves up and down twice (no vertical work clamp movement when the
setting value for

Operates continuously while the foot switch is being depressed after the work

clamp moves up and down three times (no vertical work clamp movement when
the setting value for memorv switch No.

Units

[x1

0 msl

Sewing machine ID code (for specifying CF card sewinc data)

memory switch No. 050 is "2").

Setting items

Late

Late

Setting items Default

Setting items Default

stepS)

up

stop position errors

050 is "2").

050 is "2").

rE

11

01.

Default

0

2

OFF

0

20
00

Specification and destination

No.

850

Setting

range

Specification code settino (Can onlv be set for

0

1

2
7 For foundation garments

Factory default specifications (specifications displayed

head)

For ordinary materials
For denim

settings

Setting

KE-430D)

items

on

name plate

on

machine

Default

0

KE-4300, BE-4380

9

2. FUNCTION SETTINGS

2-5. Setting the work clamp mode

Of

CAUTION

0 X

o

oE)

Ot!DiJCOUNTER

0

X·SCALE

-

fvv-scALE

SPEED

.1_

SPRIT No.

ill

B!®

-88888

The work clamp/button clamp operating mode can be switched

Setting range

1

2

3

4

Single pedal

Two pedals

Work clamp is raised
Work clamp is raised by depressing the foot switch.
Work clamp is raised automatically, then it is lowered by depressing the

clamp switch.

work
Work clamp is kept lifted while the work clamp pedal is depressing the

clamp switch.

work

Setting items

automatically.

®~

as

follows using the setting for memory switch No. 050.

4556Q

10

KE-4300, BE-4380

2-6. X-Y parallel movement for sewing patterns

2. FUNCTION SETIINGS

The feed mechanism can be moved to the desired position and sewing patterns that have already been programmed
moved

in

arallel vertical or horizontal directions.

1

~

PROGRAM

No.

Press the
and then depress the foot switch to the 2nd step.

• The feed mechanism will move to the home position.

1:::.

or

'V

key to select the program number,

@

2nd step

®

4557Q4441Q

2

While pressing the TEST

key,

press the V

key.

• ®

olvv·SCALE

o9SPEED

,

•

~=-

--

•

00COUNTEA

ol_SPRITNo

.

B!®@~

.888811

• The parallel movement amount is displayed in the menu
display in

mm

units.

can

be

indicator lights

TEST

X-SCALE indicator flashes

3

X scale parallel

movement mode

:::'6,~

X X-SCALE

/1

.....

0

tv

Y-SCALE

,, ,,

u.u

Y scale parallel
movement mode

0 X

:::'tf-:.t

/i\i

X-SCALE

.....

V

Y-SCALE

,-

::t

mm

&a®

..

STEP

T

®

4 Ending parallel movement mode

TEST indicator switches off

Note:

• The feed mechanism cannot move to a place that would exceed the sewing area for the sewing pattern.

• If the program number or the vertical or horizontal ratio is changed, the movement amount that has been recorded will
reset.

• Also once the power switch has been turned off, the amount
{However, when memory switch No. 465 is set to

~

STEP

ON, the movement amount is recorded and is not reset.)

Press the SELECT key so that the X-SCALE
indicator flashes. Select either indicator.

The feed mechanism moves by

.A.

or

'Y

key is pressed. {If the movement is over 10

the steps change to 0.1 mm.)

* For X scale parallel movement mode, the relative

movement
is pressed, and the movement is to the left when the T
key is pressed.

* For Y scale parallel movement mode, the relative

movement
key is pressed, and the movement is to the front when
the

Press the TEST

of

movement that has been stored

of

the needle is to the right when the

of

'Y

key is pressed.

the needle is to the back when the

key.

0.05 mm each time the

in

4558Q4559Q

or

Y-SCALE

4566Q4561Q

memory is reset.

.A.

mm,

k~

.A.

be

KE-430D, BE-438D

11

2. FUNCTION SETTINGS

2-7. Clearing saved data (Initialization)

Incorrect setting of data from sources such as memory switches can cause the sewing machine to operate incorrecUy.
h

appens, you can o

Parameter No. Setting items

1

2

3

4 [ USE] Clearing user programs and cycle programs.

f

II

th d b I th d d t th .

ow

e proce ure

____

_[(~-~]__

-

...

[

MEM]

[ ALL]

e ow to initialize

___

_

fl~~~!l..9

Clearing individual programs from program No. 200 and after
Initializing memory switches.
Clearing
settings, user programs and

esave

_<!1!

_C!Q9J~9_n_~~

or

initializing all setting data (added sewing programs, memory switch

ata

tore

~~~l}g_

P!9..9r:.C!ITI~

cycle programs)

e

urn

sewmq mac

1~<?!:1}

h"

t I ti

1ne

o norma opera on.

.P-~9~_1!1_

!:'~·-

?9_q

_C!Q~~~t

_________

If

this

1

2

r

brothef

O!CAUTION

-

••

•

-

-

~

All indicators switch

J

J

r'-

0 (

...

Y

oJ

?)

ot

I!IICOUNTER

Ofll

0 • L

~

X·SCAI.E

Y·SCAI.E

SPEED

SPRIT

1111!®'®!

8888U

PROGRAM

No.

off

)"-----._

~

&PPOORIMNo.@

0

000

-

-.1\-1-1-1-1-r:---

\\-

---

,_.-

NO;.

~

Menu indicators switch off

®

-I_,-

::

'

TEST indicator lights

While pressing the RESET key, tum
* Keep pressing the RESET key until the model name is

displayed and the buzzer beeps once.

• The parameter number will appear in the PROGRAM
display, and the setting for that parameter will flash

No.
in the menu

Press the
for the item that is to be initialized.

display.

/i

or

V key to select the parameter number

on

the power switch.

4562Q4421Q

@

®

4557Q

-seieC:t:i.i9inctividuafaC:idedsewfr19_P_ro9rams-------------------------------------------------------------------------

lt

you press the T key when parameter number "1" is

selected, the display will change from " SEW" to "-***".
(***is

~

PROGRAM

No.

@

®

IB3

~

STEP

-

J''''

L

Lf

Lf

the added sewing program number.)

Press the

which is to be

A

or

T key to select the parameter number

cleared

of

data.

3

4

Ending

data

initialization

mode

TEST indicator switches off

Press and hold the RESET key for 2 seconds

* A long beep will sound and the data for the selected

item will be initialized.

*

The setting for only the item reinitialized will stop

flashing and

Press the TEST key.

illuminate steadily.

•

12

KE-430D, BE-438D

or

4563Q

more.

2-8. Checking the error history

The past error history can be checked by the following procedure.

(2)

2. FUNCTION SETTINGS

4564Q

brother

O!CAUTION

(5)

1.

While pressing the
"Keep

pressing the
The error history number will be displayed in order in the
displayed in the menu display (3).

2.

Press the

3.

Press the TEST key (5) to return to the normal display. The sewing machine will switch to home position detection
standby.

ll

'f

key

(1

),

tum on the power switch.

'f

key (1) until the model name is displayed and the buzzer beeps once.

or

V key (4) to change the order

0 X

X·SCALE

-

tVY·SCALE

0

oi9SPEED

OinmJlCOUNTER

0

j_

SPRIT

No.

PROGRAM No. display (2) and the error codes will be

of

the error history number.

(4)

(3)

TEST indicator lights

Menu indicators switch off

o·

1

<

1sp1ay

examples>

Details PROGRAM No. display (2)

When there is no error history

When error [E110]

• The COUNTER indicator will light while the A key (6) is pressed, and the stitch number counter value when the error
occurred

will be displayed

is

displayed first

in

the PROGRAM No. display (2) and menu display (3) in units

[000]
[001]

Menu display (3)

of

100 stitches.

[E---1

!E110]

KE-4300, BE-4380

13

2. FUNCTION

SETIINGS

2-9. Input checking method

Use this method to check for any malfunctions of the input keys at the operation panel, P.C.B.s and sensors, and for any

or

broken cords

sensor position adjustments.

(2)

brotJ'le(

O!CAUTION

-

-

~~::

X X·SCALE

,,_

0

tYY·SCALE

oe

SPEED

Oimm]COUNTER

0

l_

SPRIT No.

8!(!)

88888

®liD

...

STEP

(1)

(4)

(3)

~fT\

STEP\..!_)

®

._,

I I

us

...

STEP

-

4565Q

1. While pressing the

* Keep pressing the

* The check code will be displayed in the PROGRAM No. display (2), and the input status will be displayed in the menu

display (3).

2.

Press the
If

no operations are carried out for 5 seconds after moving to a check code, the check code and abbreviation will be

displayed alternately

3. Refer to the input check list to check the key and sensor responses.

4.

When returning to normal operation, tum power off and then on again.

ll

key (1)

ll

key ( 1

),

ll

or

V key (4) to select a desired check code.

in

the PROGRAM No. display (2).

turn on the power switch.

key (1) until the model name is displayed and the buzzer beeps once.

4566Q

< Input check list >

PROGRAM No. display

Check code

[ 1 ] [
[

2]

[

3]

[

4]

5]

[

6]

[

7]

[

Abbreviation

orX]

[

EnX]

[

orY]

[

EnY]

[

orP]

[

EnP]

[

Enn]

Menu display

Input status

[

H]

I [

[

-999]-

[

[

-999]-

[

[-999]-[

[

H]

H]

0]-[

[

I [

[

I [

L]

999]

L]

999]

L]

999]

180]

Check items and checking methods

X-feed shaft motor home position sensor position

Move the feed mechanism

X-feed shaft motor encoder counter value

Move the feed mechanism
Y-feed shaft motor home position sensor position
Move the feed mechanism
Y-feed shaft motor encoder counter value
Move the feed mechanism

Work clamp motor home position sensor position

Move the work clamp up

Work clamp motor encoder counter value

Move the work clamp
Upper shaft 180 degree rotation signal

Tum the

pulley

by

hand.

manuallv

manuallv
manually

manuallv

manually.

up manuallv.

in

the X-feed direction.

in

the X-feed direction.

in

the Y-feed direction.

in

the Y-feed direction.

14

KE-4300,

BE-4380

2. FUNCTION SETTINGS

PROGRAM No. disolav

Check code

[

8]

[

9]

[

101

[

11

[

121

[

131

[

141

[

151

[

16]

[

17]

18

[

191

[

201

21

22
23 in3
24 in4 on I oFF
25 in5 on

26 rot on I oFF
27 Fib on I oFF

* Spare for the KE-430D and BE-4380.

Abbreviation

[

UP]

[

dn1

[val]

1 [ PnL1 [

FtA]

[

[ CL11

I [

[ CL2

Stt]

[

[EMC]

[

Hed]
EXE]

[CAH]

[rEL]

in1
in2

[
[

[

[

[

[

[

[

[

[

Menu disolav

Input status

on]

I [

oFF]

on

1/ [ oFF]

0 1-[ 3001

*]

I [

oFF]

*ON

displav Kevname
rESt 1
tESt 1
tHrE 1

tEn 1

SELEl

UP-M

1·

dn-M 1

F11
F21
F31

r

F41 Function kev F4

r

CF]

0]-[

255]

on]

I [

oFF)

on]

I [

oFF)

on]

I [

oFF]

[--on]
[on--]

Needle up signal
Tum the
Needle down signal
Tum the
Power supply voltage
Disolaved as
Operation panel key input check
The key name

RESET kev
TESTkev
THREAD/CLAMP kev
TENSION/WIND kev
SELECTkev

.A

kev

T kev

Function kev
Function kev F2
Function kev F3

RIW kev
Foot switch analog value
Depress the foot switch.
Work clamp switch 1st step
Depress the foot switch to the 1st step.
Work clamp switch 2nd step (*)
Deoress the work clarno switch to the 2nd steo.
Start switch
Depress the foot switch to the 2nd steo.
Stop switch (*)
Press the stop switch.

Check items and checking methods

pulley by hand.
pulley by hand.

%.

will be displaved while a kev

F1

t----f

on]

I [

on I oFF

on]

I [

on]

I [

on I

on
on

oFFl

I
I oFF

I

oFF]

oFF]

oFF]

oFF

oFF

Machine head switch
lilt

back the machine head.
External input error detection-(*)
Thread nipper home position sensor
Press the
direction.
Press the
direction.
Thread nipper retract position sensor
Press the
direction.
Press the
direction.
Option input -(IN1)
Option input
Option input
Option input
Option input
Rotating-type thread breakaae detector
Fiber-type thread breakaae detector

A key to move the thread nipper in the home position

T key to move the thread nipper

A key to move the thread nipper

T key to

(IN2)
(IN3)
(IN4)
(IN5)

is

oressed.

in

the home position

move the thread nipper

(*)

(*)

in

the retract

in

the retract

KE-430D, BE-438D

15

2. FUNCTION SETTINGS

2-10. Output checking method

Use the following procedure when checking for PCB-related failures, mechanism breakdown, and cord breakage.
It can be checked as to whether signals that the

(2)

-

O!CAUTIOH

•

•

~··~lit;d~TI

.,.._

otvv·SCALE

oE)sPEED

OIIIIICDUNTER

o_!."m*

•

oDoLl

1

---r+(3)

CPU correctly output have been received.

4567Q

~I

~

~~~

II

(4)

(1)

I

1. While pressing the V key

switch.

• Keep pressing the V key (1) until the model name is

displayed and the buzzer beeps once.

The

check code will be displayed in the PROGRAM No.
display (2), and
displayed in the

2. Press the
check code.

Press the

3.
check codes

For

4.

check code 55 and after, depress the foot switch to

the 2nd step .

menu

li

key (4)

....

or T key

51

-54

(1

),

tum

on the power

the

abbreviated output name will be

display (3).

or V key

(5) to check the operations for

.

(1) to select a desired

•

-~~~=:

• a 8

2nd step

PROGRAM No.

display

Check code Abbreviation

[

51

]

[

52]

[

53]

[

54]

551 r
561
571
581
591

r

[

60]

61
62 rEL
63
64
65
66
67

* Spare

for

the

KE-4300

Menu display

---------

and BE-4380.

The operation corresponding to the check code will

out

8·==a:;:;::;:;F4=u:;:;::;:;:=--++-(5)

4441Q

When

[PM-

X]

[PM-

y]

[PM-

F]

[

CatH]

CL-

rl

CL-L

r Foot

FliP 1 The valve for the inner clamcina device turns on. (*)

r

rcool

CUt The thread trimmer solenoid turns on.

WiP

StEP The steooina solenoid

oP1
oP2
oP3

you press the • key,

When

vou cress the T kev,

When

you press the A key, the work clamps move forward.

When

vou press the T kev, the work clamcs move back.

When

you press the • key,

When

vou cress the T kev,

When you press the
position.
When

you press the T key, the thread nipper moves toward the retract

position.
The valve for the right work clamp turns
The valve· for the left
The valve for the stepping foot

The valve for the needle cooler turns
The LEOs on the panel illuminate in sequence, and then each
seoments

The tension release solenoid
The external wiper solenoid turns on.

Option outout 1
Option cutout 2 turns on.
Option cutout 3 turns on.

of

the PROGRAM No. display and menu display illuminate.

be carried
depressed forward (each time the foot switch is
depressed forward for check code 60).

5. When returning to normal operation, tum power off and
then on again.

the

work clamps move to the left.

the

work clamcs move to the rioht.

the

work clamps rise.

the

work clamps drop.

A key, the thread nipper moves toward the home

work

clamp turns on. (*)

turns on. (*)

turns on.

tums

on. (*)

tums

on.

while the foot switch is being

Function

on.(*)

on.(*)

of

the seven

16

KE-4300, BE-4380

2-11. Confirming software version

2. FUNCTION SETTINGS

4568Q

(4)

brother

O!CAUTION

(5

0 X

X·SCALE

.._

0

tV

V·SCALE

oE)SPEED

Olmm)COUNTER

0

j_

SPRIT No.

-~(!)

STEP

88888

1.

If you tum on the power while pressing the • key

*Keep

2.

pressing the • key {1) until the model name is displayed and the buzzer beeps once.

The PROGRAM No. display (4) will change as follows each time the

PROGRAM No. display (4)

[

1.Mn]

r

2.Mtl

r 3.PL 1 Panel CPU

(1

),

the software version will be displayed in the menu display (2).

Software

Main CPU

Motor CPU

li

or

V key {3) is pressed.

(3)

(2)

(1)

TEST indicator lights

Menu indicators switch off

3.

Press the TEST key (5) to return to the normal display. The sewing machine will switch to home position detection
standby.

KE-4300, BE-438D

17

3. USING

3.

CF

CARDS

USING CF CARDS

3-1. Notes on handling CF cards (purchase

• Use only 32MB, 64MB, 128MB

• Do not disassemble

• Do not bend, drop, scratch

• Do not allow the CF cards to become wet, such as with water, oil, solvents, drinks

•

Do not use

• Do not use
temperatures, high humidity, severe temperature fluctuations,

• While data is being read
and do not attempt to remove the CF cards from the machine.

• Data on the CF cards may be lost
data.

• Only insert

•

The CF cards that you purchased is already formatted.

• The recommended CF cards are commercially-available ones from SanDisk
other manufacturers can be used, but different formatting methods may mean that reading

be

possible.

For additional information, refer to the instruction manual included with the CF cards that you have purchased.

*This
*

*

or

or

or

product is compatible with CF cards that have been formatted using the FAT16 method. Cards that have been

formatted using the FAT32 method cannot be used.

CF™

is

All other company and product names mentioned

of

their respective companies. However, the explanations for markings such as TM are not clearly described within

the text.

or

alt~r

store the CF cards
store the CF cards

remove CF cards while the machine power is turned off. .

a trademark

or

256MB CF cards.

CF cards.

or

place heavy objects on top

in

a locations exposed to strong static electricity

in

a locations exposed to vibrations

in

from

or

written to the CF cards,

or

damaged due to some malfunction

of

SanDisk Corporation.

of

the CF cards.

or

do

not allow the machine to be exposed to vibrations or impacts,

We

recommend that the CF cards

in

this instruction manual are trademarks

at

local re1ailers)

or

any other liquids.

or

electrical interference.

or

impacts, direct sunlight, extreme dust (or lint}, high

strong magnetic forces (such as from speakers}.

or

accident.

We

recommend backing up important

not

be reformatted.

or

HAGIWARA SYS-COM. CF cards from

or

writing to such cards may not

or

registered trademarks

3-2. Structure

\BROTHER\JSM\ISMSYS\ISM01 MN. MOT
\BROTHER\ISM\ISMDAOO\ISMMSW.SEW

*1

The underlined portion
changing the setting for memory switch No. 752. Change the

for different sewing machines on a

of

a CF card folder

(*1} \ISMUPG.SEW

\ISMHST.SEW
\ISMS0200.SEW
\ISMS0201.SEW
\ISMS0202.SEW

of

the name

of

the \BROTHER\ISM\ISMDAQQ. folder for additional sewing data can be changed by

single CF card.

: Control program

: Memory switch data
: User program data

: Error

Additional sewing data Program No. 200

:
: Additional sewing data Program No. 201
: Additional sewing data Program No. 202

log data

folder name

I

if

you would like to store additional sewing data

4726Q

18

KE·430D, BE·438D

3. USING

CF

CARDS

3-3. Preparation

for

reading and writing data

1 With the power turned off, insert the

slot.

Note:

• Make sure the CF card is facing the correct way.

• The cover should be closed at all times except when

m

~:.~,~,--

0

.~

the CF card is inserted and removed, otherwise dust

may cause trouble.

•

If

no valid data can be found, the CF media indicator

will not illuminate.

2 Tum on the power switch.

3 Switching

to

CF

data read/write mode

While pressing the TEST

• The mode number will
No. display and the setting will be displayed in the menu
display.

• The initial mode will be additional sewing data reading
mode. (Refer to the read/write mode

key,

press the

be

displayed

CF

card into the CF

RNV

key.

in

the PROGRAM

list.)

4453Q

indicator and CF media indicator

TEST

4 Press the

~

PROGRAM

No.

li

ht 4574Q

11

or

V key to select the mode.

@

,-

I

,

®

[Read/write mode

PROGRAM No.

display

r 1

w2

r3

w4

r5

w6

r7

w8

*Additional sewing data that can be used by this product is data that has been created for the KE-4300/BE-4380.

list]

Menu display

[-SEd]

SEd- Additional sewing data is written to the CF card.

-MEM Memory switch settings are read from the CF card.
MEM- Memory switch settings are written to the CF card.

[

-UPG]

[

UPG-]

[

-SyS]

[LoG-

Additional sewing data is read from the CF card. *

User programs are read from the CF card.

User programs are written to the CF card.
Control programs are read from the CF card and used to update the firmware
version.

Error log data is written to the CF card.

Setting items

4575Q

KE·430D, BE·438D 19

3. USING CF CARDS

3-4. Reading additional sewing data

1

Selecting

the

"r

1''

CF data read/write

mode

Press the RIW

key.

~PROGRAM

2

3

4 Ending

No.

0[00

la:tC!)

..

STEP

T

.ode

@

®

,......,

If

,- ,-

-JCO

c:afT\

STEP\.!_)

. '

L L

limJ

®

II+

STEP

®

While readin

TEST indicator switches off

®

I

li!i!J

II+

STEP

• "-SEd" will change

Press the !

(ALL,

200 - 999) that you would like to read.

•

If"

ALL" is displayed, all additional sewing data will be

read.

Press the R/W

to"

ALL".

or

T key to select the program numbers

key.

4576Q

4577Q

II

• The buzzer will sound and the selected sewing data will
be loaded from the CF card and copied into the sewing
machine's internal memory.

Press the TEST key.

Tum off the power switch, and then remove the CF card.

4498Q

3-5. Writing additional sewing data to the CF card

1

Selecting

2

3

4

Ending

~

the

''w

2"

CF data read/write

,-

PROGRAM

No.

la:tC!)

..

STEP

1::1

I I

If

L L

la:tC!)

..

T

STEP

~PROGRAMNo.

®

@

,-

_,,-o-

T

ED

II+

STEP

o~_@

read/write

mode

mode

I

While writin

Press the R/W

• "SEd-" will change

Press the ! or T key to select the program numbers

200--999) that you would like to write.

(ALL,

•

If"

ALL" is displayed, all additional sewing data will

written.

Press the RIW

The buzzer will sound and the selected sewing data

•

will be copied from the internal memory onto the CF

card.

Press the TEST key.

Turn off the power switch, and then remove the CF card .

key.

key.

to"

ALL".

4578Q

be

4577Q

4579Q

TEST indicator switches off

•

20

KE·430D, BE·438D

3-6. Reading memory switch data

3. USING

CF

CARDS

1 Selecting the

~PROGRAM

o[Eg)

2

3

~PROGRAM

,..

~''

~o:-:;,:;:

"IM.J

"r

3"

No.

1

CF

data read/write mode

@

@

~'T'

STEP\!._)

®

No.

@

o!X'I

®

lf!J

''

,-

-,,,-,,

,-,

-

mm

@

~

STEP

Press the R/W

key.

II

• The buzzer will sound and the selected memory switch
data

will be loaded from the CF card and copied into

the sewing machine's internal memory.

While reading 4498Q

When " End" is displayed, the operation is complete.
Turn

off

the power switch, and then remove the CF card.

4580Q

458IQ

3-7. Writing memory switch data

1 Selecting the ''w

~PROGRAM

2

3 Ending read/write mode

•

No.

o!Hl

4"

CF data read/write mode

@

@

,,

liCit-

G!i.B(!)

~

T

STEP

TEST indicator switches off

,-

''

While writin

@

to

the CF card

mm

~

STEP

Press the RIW

• The buzzer will sound and the memory switch data will

be copied from the internal memory onto the CF card.

Press the TEST
Turn off the power switch, and then remove the CF card .

4582Q

key.

II

4579Q

key.

KE·430D, BE·438D

21

3. USING CF CARDS

3-8. Reading user program data

1 Selecting the

~PROGRAM

2

3

~PROGRAM

111111

~1,

AO';';:;:]O~

"IM.J

"r

5"

CF data read/write mode

No.

@

IDa(!)

..

STEP

@

®

No.

@

®

t!RJ

-.

' ,

Lf

T

10

,-

I U

B!J

®

While readin

STEP

...

Press the

RNV

key.

11

• The buzzer will sound and the selected user program
data

will be loaded from the CF card and copied into

the sewing machine's internal memory.

When " End" is displayed, the operation is complete.
Turn off the power switch, and then remove the

Note:

If additional sewing data has been incorporated into a
user program, this operation
additional sewing data.
additional sewing data separately. (Refer
Reading additional sewing data".)

You

will not read the

will need to read the

4583Q

4498Q

CF card.

to

"3-4.

4581Q

3-9. Writing user program data

1 Selecting

2

3 Ending read/write mode

the

''w

6"

CF data read/write mode

~PROGRAM

No.

oi!Il

•

@
@

TEST indicator switches off

to

the CF card

B!J

...

®

While writin

STEP

4584Q

Press the

RMI

key.

11

• The buzzer will sound and the user program data will be
copied from the

Press the TEST

Tum off the power switch, and then remove the CF card .

internal memory onto the CF card.

4579Q

key.

22

KE-4300, BE-4380

3-10. Updating the control programs

3.

USING

CF

CARDS

1 Selecting the

~

PROGRAM

2

~~

STEP\!_)

3

"r

No.

7"

CF

data read/write mode

@

®

@

@

I,,,,

f.

LJ

u

,-

I I

-_:;.:.-;

®

,-

li!.l!l

Ill+

STEP

Press the

• After a set period
and then the version number

that is stored on the

Press the

• " P" will flash
control program update will start.

Note:

If the filename and folder name for the control program
are not correct, error

When " End" is displayed, the operation is complete.
Turn off the power switch, and then remove the CF card.

RM/

RM/

key.

of

time, "-SyS" will change

CF

key.

in

the PROGRAM

"E421" will

of

card will be displayed.

the control program

No.

display and the

be

displayed.

to"

vEr'',

4585Q

4586Q

~PROGRAM

liBI

~l..

...

o~;:::

"LM..I

<Recovery procedure

If

the version update does not complete normally because of a problem such as a power failure, the sewing machine will
not operate correctly.
If

this happens, carry out the following recovery procedure.

1.

Insert the

2.

Turn

3.

When " End" is displayed, the operation

CF

card containing the control program data into the CF card slot.

on

the power switch.

Orx-.

1

LfltJ

if

an

No.

@

®

error

occurs during version updating>

is

complete. Tum off the power switch, and then remove the

Note:

• The version upgrading takes about 3 minutes.
time taken varies depending
manufacturer and the card's capacity.)

• Never remove and reinsert the card
power switch

while reading is in progress.

on

CF

the

or

tum off the

card.

CF

(fhe
card

458IQ

KE·430D, BE·438D

23

3.

USING CF CARDS

3-11. Writing error log data to the CF card

1 Selecting the

2

3 Ending read/write mode

''w

8"

CF

~PROGRAM

~PROGRAM

o[ffi)

o[ffi)

No.

No.

@
@

@
@

•

data read/write mode

While writin

TEST indicator switches off

4587Q

Press the RfW

key.

II

• The buzzer will sound and the error log data will be
CF

copied from the internal memory onto the

Press the TEST key.
Turn

off

the power switch, and then remove the

card.

CF

4579Q

card .

24

KE·430D, BE·438D

4. MECHANICAL DESCRIPTIONS

4. MECHANICAL DESCRIPTIONS

The mechanisms operate in the order

of

the numbers given in the illustrations.

4-1. Needle bar and thread take-up mechanisms

6

1

1.

Pulley

2. Upper shaft

3. Thread take-up crank

4. Needle

5. Needle

<5> Thread take-up

6. Needle

<6> Thread take-up support

7.

Needle

bar

crank

bar

connecting rod

bar

clamp

bar

lever assy

4504Q

-~

4-2. Lower shaft and shuttle race mechanisms

1

4505Q

t

1. Pulley

2. Upper shaft

3. Crank rod assy

4. Rock gear

5. Lower gear

6. Lower shaft

7. Driver

8. Shuttle hook

KE-430D, BE-438D

25

4. MECHANICAL DESCRIPTIONS

4-3. Work clamp lifter mechanism

1. Work clamp pulse motor

2. Gear

3. Cam gear

4. Driving lever

5.

Link

6.

Lifter lever

7. Work clamp lifter plate

8.

Work clamp arm lever plate

9. Work clamp arm lever shaft

10. Work clamp arm lever

11. Work clamp

7

BE-4380

4506Q

• When the work clamp pulse motor is turned off, the
work clamp lifter plate rises, and work clamps lower.

4507Q

* When the work clamp pulse motor is turned off, the button

clamp rod rises, and button clamps lower.

26

KE-4300,

BE-4380

?.Button clamp rod
B.Button clamp lever

9.

Button clamp holder hook assy

10. Button clamp holder shaft

11. Button clamp

4-4. Thread wiper mechanism

4.

MECHANICAL

DESCRIPTIONS

6

When the work clamp pulse motor
thread

wiper operates

in

the opposite direction.

is

turned off, the

1.

Work clamp pulse motor

2. Gear

3.

Cam gear

4. Cam shaft

5. Thread wiper cam

6. Driving lever

7.

Wiper rod

8.

Connecting plate

9.

Wiper

4508Q

KE-430D, BE-438D

27

4. MECHANICAL DESCRIPTIONS

4-5. Feed mechanism

Sewing patterns are created through combinations

X direction

of

X and Y movements.

4509Q

1.

Pulse motor X assy

2.

Feed gear

3.

X-feed

gear

4. X-feed lever

5.

Regulator block assy

6. Feed bracket sub assy

Y direction

4510Q

1. Pulse motor Y assy

2.

Feed gear

3.

Y -feed rack shaft

4. Y-connecting pin

5.

Feed bracket sub assy

28

KE-430D, BE-438D

4-6. Thread trimmer mechanism

3

4. MECHANICAL DESCRIPTIONS

4511Q

t

7

1.

Thread trimmer solenoid assy

2. Solenoid lever

3. Pushing lever

4. Driving lever

5. Thread trimmer

6.

Thread trimmer cam

7. Thread trimmer rod

8.

Thread trimmer lever V

9.

Thread trimmer lever H

10. Thread trimmer rod H

11.Movable knife lever

12. Movable knife connecting plate

13. Movable knife

14. Fixed knife

collar

V

KE-430D,

BE-4380

29

4. MECHANICAL DESCRIPTIONS

4-7. Tension release mechanism

4512Q

4-8. Thread nipper mechanism

1.

Tension release solenoid

2. Bolt

3.

Tension release bar

4.

Tension release pin

4513Q

30

KE-4300, BE-4380

1. Thread nipper pulse motor assy

2. Motor lever

3. Connecting plate 8

4. Thread nipper lever

5.

Connecting plate F assy

6. Thread nipper D assy

7. Thread nipper U

5.

DISASSEMBLY

5. DISASSEMBLY

A CAUTION

Disassembly should only

qualified technician. V

Tum off the power switch before
otherwise the machine may operate if the foot switch
is

depressed by mistake, which could result

Be sure to wear protective
handling the lubricating
do not get into your eyes or onto your skin,
otherwise inflammation can
Furthermore, do not drink the
under any circumstances,
vomiting
Keep the oil out of the reach of children.

Disassemble each part

and

5-1. Covers

be

carried out

disassembly,

goggles and gloves when

oil

and

grease, so that they

result.

oil

or eat the grease

as

they

diarrhea. ·

in

order of the numbers.

can

by

a A Use only the proper replacement parts

by

Brother.

If any safety devices have

in

injury.

cause

8

absolutely sure
positions
before using the machine.

problems

Any
from unauthorized modifications
not

be

covered by the warranty.

and

to

re-install them to their original

check

in

machine operation which result

as

specified

been

removed, be

that they operate correctly

to

the machine will

4

2

4514Q

1.

Top

cover

2.

Back cover

3.

Frame side cover

4.

Eye guard assy

5.

Face plate assy

6.

Shuttle race cover assy

KE-430D, BE-438D

31

5. DISASSEMBLY

5-2. Work clamp arm mechanism

KE-4300

Be careful not to drop these three bearing balls when
removing the work

clamp arm assembly.

1. Set screw
Needle

2.

3.

Needle bar thread guide

4.

Bolts [2 pes]

5.

Work clamp arm assy

6.

Screws [2 pes]

7. Feed

plate

BE-4380

7

4516Q

9

1.

32

Set screw
Needle

2.

3.

Needle bar thread guide

4. Nuts [2 pes]
Adjusting screw
Compression spri

ng

[Push upward and remove horizontally]

KE-4300, BE-4380

5. Set screws

6.

Button clamp holder shaft

7.

Button clamp holder

8.

Screws

9.

Feed plate

[2

pes)

[2

pes: Loose

n)

5-3. Needle bar mechanism

3

5. DISASSEMBLY

4

2

4518Q

13~

Do not remove the slide block guide if
possible to prevent the machine from
overheating due to

1.

Rubber cap

2.

Screw

3.

Needle bar

4. Needle bar clamp

5.

Slide block

6. Rubber caps

7.

Set screws [2

8. Thread take-up support shaft assy

9. Thread take-up support

10. Screw [Loosen]

[2

pes)

pes:

[Pull out]

Loosen)

11. Needle bar connecting rod

12. Needle bearing

13.

Oil cap
Set screws [3

14.

15. Needle bar crank

16. Needle bearing

17. Threadtake-upleverassy

18.Washer

19. Bolts [2 pes]

20. Slide block guide

KE-4300, BE-4380

pes

: Loosen]

4519Q

needle bar rubbing.

33

5.

DISASSEMBLY

5-4. Upper shaft mechanism

Be careful not to drop the needle
bearing.

1.

Screw (Loosen]

2.

Set screw (Loosen]

3.

Thread take-up crank

4.

Screws [3

5.

Crank cover

6.

Bolts

7.

Crank rod {Upper part)

8.

Needle bearing

9.

Crank rod

10. Rubber cap
Set screws [2

11.

12. Set screws [2

[2

pes:

pes]

{lower

loosen]

pes:
pes:

9

part) (Lower downward]

loosen]
loosen]

If

the motor assembly cannot be removed,

bolts into these two tapping holes

insert
and gradually tighten them
motor assembly.

13. Set screws

14. Set screws

15. Set screws

16. Set screws

17. Screws with washers

18. Pulley

19. Bolts

20. Motor assy

21. Thread trimmer cam

22. Joint assy

23.Uppershaft

24. Bobbin winder driving wheel

[4

pes:

[2

pes:

[2

pes:

[2

pes:

[2

pes:

loosen]

to

loosen]
loosen]
loosen]
loosen]

[3

pes:

remove the

4520Q

loosen]

34

KE-4300, BE-4380

5-5. Lower shaft mechanism

5.

DISASSEMBLY

4521Q

Remove the rock gear and the
crank rod together as a

single unit.

1. Bolt (Loosen]

2. Driver

3.

Retaining ring, E

4. Oil cap

5.

Set screw (Loosen]

6.

Adjusting stud [Pull out]

7. Lower shaft assy

8.

Wick

9. Set screws

10. Set screw [Loosen]

11. Set screw

12. Set screws [2 pes: Loosen]

13. Set screw

14. Rock gear shaft

15. Rock gear

16.

KE-4300, BE-4380

Crank

(2

pes: Loosen]
collar, R
collar, B

rod

(Lower part)

4522Q

[Pull out from the rear

(Pull out from the rear

of

the machine]

of

the machine]

35

5. DISASSEMBLY

5-6.

feed

mechanism

4524Q

4523Q

1.

Set

screws

2. Retaining rings [2 pes]

3. Y-connecting pin

4. Thrust washer

5.

Screws

6. Feed bracket cover

7.

set

screw [Loosen]

8.

Regulator block assy

9. Feed bracket sub assy

10. Bolts [3 pes]
11

_ Feed bracket support plate

12. Bolts [2 pes]
Plain washers [3 pes] ]

13.

14. Y-motor setting

15.Y-feed rack shaft

Set screw [Loosen]

16.

17. Eccentric shaft

18.

Bolt

19. X-feed gear

20. Bolts [3 pes] ]

21. X-motor setting
_

X-feed lever [Pull upward]

22

[6

[2

pes]

pes: Loosen]

[Pull upward]

plate [Pulse motor y assy

plate [Pulse motor X assy

4525Q

36

KE-4300, BE-4380

5-7. Work clamp lifter mechanism

5. DISASSEMBLY

1. Spring

2. Set screw [Loosen]

3. Thread wiper rod shaft

4. Plain washers

[2

pes]

5. Spring

6. Rubber cap

7. Link shoulder screws

(2

pes]

8. Link [Pull backward]

9. Bolts

10. Pulse motor P assy [Disconnect the harness]

11. Set screws [2 pes: Loosen]

[4

pes]

KE·430D, BE-438D

12. Gear

13. Screw

14. Stopper

15. Set screws

16. Set screws

17. Set screws

18. Cam shaft

19. Set screw collar, B

[2

pes: Loosen]

(2

pes: Loosen]

[2

pes: Loosen]

20. Thread wiper cam

21. Cam gear

22.

Ball bearings [2 pes]

37

5. DISASSEMBLY

KE-4300

23. Set screw [Loosen]

24. Retaining ring, E

25.Levershaft

26. Plain washer

27. Lifter

28. Needle bar guide slide block

29. Work clamp lifter plate

lever

4527Q

BE-4380

4528Q

Note:

the work clamp lifter plate when removing lifter lever,

Hold

otherwise the work

clamp lifter plate may fall down.

23. Set screw [Loosen]

24. Retaining ring, E

25.Levershaft

26. Plain washer

27. Lifter

28. Needle bar guide slide block

29. Nuts

30. Button

31.

32.

33. Button clamp rod [Pull upward]

34.

35. Button clamp lever shaft [Pull out]

36. Button

lever

[2

pes]

clamp roller shaft
Plain washer
Roller

Set screw [Loosen]

clamp lever

38

KE-4300, BE-4380

5. DISASSEMBLY

5-8. Thread wiper mechanism

1. Retaining ring, E

2. Screws

3. Plain washers

4. Thread wiper arm assy

5. Retaining ring, E 8

6. Plain washer

7. 0 rings

8. Connecting plate [Pull upward]

9. Set screw [Loosen]

10. Work clamp lifter roller shaft

11.

12.

[2

pes]

[2

pes]

[2

pes)

Collar
Thread wiper rod assy [Pull forward]

4529Q

5-9. Tension release mechanism

9

1.

Set screw [Loosen] 10. Solenoid setting plate

2. Tens ion bracket [Pull out]

3.

Tension release pin

4.

Shoulder screws [2 pes]

5.

Solenoid cover 14. Solenoid cushion

6.

Tension release solenoid 15. Tension release bar

7.

Bolts [2 pes] 16. Plain washers [2 pes]

8.

Spring washers [2 pes)

9.

Plain washers [2 pes]

11. Bolt

12.

Nut
Plain washer

13.

Spring

17.

18. Retaining ring, E

4530Q

KE-430D, BE-438D

39

5.

DISASSEMBLY

5-10. Thread nipper mechanism

1. Shoulder screw

2. Thread nipper D assy

3.

Collar

4. Spacer

5.

Shoulder screw

6.

Thread nipper U

7.Spring

8.

Screws

9. Plain washers

10. Spring hook plate

11. Shoulder screws [2 pes]

12. Connecting plate B

13.

14.levershaft

15. Plain washer

16. Connecting plate

17.

Set

Set

[2

screw

screw

pes]

[2

[loosen]

[loosen]

pes]

F assy

4531Q

18. Thread nipper lever shaft

19. Washer

20. Retaining ring, E

21. Thread nipper lever

[2

(4

[2

loosen]

pes]

pes]

[2

pes]

pes]

22. Set screws [2 pes:

23. Motor lever

24. Bolts [2 pes]

25. Plain washers

26. TN-motor setting plate

27. Screws

28. Spring washers

29. Thread nipper pulse motor assy

30. Screws with washers

31. TN-sensor setting plate F

32. Bolts

33. Plain washers

34. TN-sensor setting plate B

[2

[4

pes]

pes]

40

KE-430D, BE-438D

5-11. Thread trimmer mechanism

5. DISAS SEMBLY

1538Q

1. Set screws [2 pes: Loosen) 13. Bolts [2 pes]

2.

Thread trimmer cam 14. Spring washers [2 pes]

3.

Screws

4. Fan 16. Thread trimmer solenoid assy

5.

Screws [4 pes] 17. Shoulder sc rew

6.

Solenoid setting plate 18. Pushing lever

7.

Screws (4 pes]

8.

Solenoid cover 20. Nut

9. Set screw 21. Set screw

10. Solenoid lever 22. Set screw
11

. Washer 23. Guide shaft

12

. Solenoid cushion

(3

pes] 15. Plain washers

19. Washer

Spring

24.

KE-

4300,

BE-4380

[2

pes]

25. Cushion

26. Nut

27.

Shoulder screw 8

28. Driving lever

29.

Set screw

30. Retaining ring, E

31. Collar shaft

32. Th read trimmer

33.

Screws [2 pes]

34. Flat screws [2 pes]

35. Needle plate

collar

41

5.

DISASSEMBLY

55~54

~

·@i-

0 0

,~~Q

:><~38

.

43

~

~~~63

0.

45

62_/61

36. Movable knife shoulder screw

37. Movable knife collar

38. Movable knife assy

39. Movable knife spacer

40. Screws

41. Spring washers [2 pes: except KE-4300 denim spec.]

42. Plain washers

43. Fixed knife

44. Shoulder screw

45. Connecting plate

46. Spring hook

47. Spring

48. Bolt with washer

49. Nut

50. Shoulder screw 8

51.

Thread trimmer rod V

[2

pes]

[2

pes]

52. Nut

53. Shoulder screw 8

54. Set screw [Loosen]

55. Thread trimmer lever shaft

56. Thread trimmer lever spacer

57. Retaining ring, E

58. Washer

0 °

'-....

"~

42

~'\::40

~r

)01 64)>

~~50~

r39

~

@~

37~

59~rL~

!~T~

~

.

;·

ar r60

-56,~,

~

47

\f.J

'

11

sal

I

52

9

44

~

65

.

...J~r58

JG)Ii

~57

·*'-.~

a~

53

----~

59. Thread trimmer lever V

60. Thread trimmer lever H

61. Set screw [Loosen]

62. Movable knife lever shaft

63. Movable knife lever

64. Shoulder screw

65. Thread trimmer rod H

48

4533Q

5-12. Shuttle hook mechanism

2

4

42

KE-430D, BE-438D

1. Bobbin case assy

2. Shuttle race base setting claw
[Open to right and left]

3. Shuttle race base

4. Shuttle hook

6.ASSEMBLY

I

Assemble each part in order

Apply grease to the required places when reassembling the parts and once every two years.

6-1. Thread trimmer mechanism (1)

Apply grease to the portions indicated by the white arrows.

of

the numbers.

&.ASSEMBLY

When the
rod H has been disassembled, assemble it so
that the distance between the centers
holes is

ball joint assembly

294 ± 0.5 mm.

of

thread trimmer

of

the

Tighten the set screw on the screw flat while lightly
pressing the thread trimmer lever shaft.

Tighten the set screw on the screw flat while lightly
pressing the movable knife lever shaft.

KE-4300, BE-4380

1. Movable knife lever

2.

Thread trimmer rod H

3. Shoulder screw

4. Movable knife lever shaft

5. Set screw

6. Thread trimmer lever shaft

7.

Retaining ring, E

8. Washer

9.

Thread trimmer lever H

1 0. Thread trimmer lever V

Thread trimmer lever spacer

11.

12. Set screw

13.

Shoulder screw B

14. Nut

15.

Spring

16. Spring hook

43

&.ASSEMBLY

Tighten the set screw on the
screw flat

collar shaft.

the

33

while lightly pressing

4613Q

17. Driving lever

18. Thread trimmer

19. Collar shaft

20. Retaining ring, E

21. Set screw

22. Thread trimmer rod V
Shoulder screw B

23.

24. Nut

25. Guide shaft

26.Spring

27. Cushion

Set screw

28.

29.

Solenoid setting plate

30. Washer

31. Pushing lever

32.

Shoulder screw

33. Thread trimmer solenoid assy

collar

34. Solenoid cushion

35.Washer

36. Solenoid lever
Set screw

37.

38.

Plain washers

39. Spring washers

[2

40. Bolts [2 pes]

41.

Solenoid cover

42. Screws

43. Screws

[4
[4

pes]
pes]

44. Set screw

45. Nut

46. Connecting plate

47. Shoulder screw

48. Shoulder screw B

49. Nut

50. Bolt with washer

pes]

[2

pes]

4614Q

When the ball joint assembly of
thread trimmer rod V has been

it

so

disassembled, assemble
the distance between the centers of
the holes is 288.5

± 0.5 mm.

288.5 ±

O.Smm

that

4615Q

44

KE-4300,

BE-4380

6-2. Tension release mechanism

Adjust while referring to "7-15.
Adjusting the tension release amount".

Adjust the thread take-up spring
height while referring to "7-1.
Standard thread tension".

6.ASSEMBLY

1.

Tension release bar

2. Retaining ring, E

3. Plain washers

[2

pes]

4. Spring

5. Tension release solenoid

6. Solenoid setting plate

7. Solenoid cushion

8. Plain washer

9. Nut

10. Bolt

11. Plain washers

12. Spring washers

13. Bolts

14.

15.

16. Tension release pin

17. Tension bracket

18.

[2

Solenoid cover

Shoulder screws

Set screw

pes]

[2

[2

pes]

pes]

[2

pes]

6-3. Thread wiper mechanism

Apply grease to the portions indicated by the white arrows.

Tighten the set screw while lightly
pressing the work clamp lifter roller
shaft.

1. Thread wiper rod assy
[Insert from the front]

2. Collar

3. Work clamp lifter roller shaft

4.

Setscrew

5. Connecting plate

6.

0 rings

7. Plain washer

8. Retaining ring, E

9. Thread wiper arm assy

[2

pes]

10. Plain washers [2 pes]

11. Screws [2 pes 1

12. Retaining ring, E

5

Adjust while referring to "7-13.
Adjusting the thread wiper".

4616Q

4617Q

KE-4300, BE-4380

45

&.ASSEMBLY

6-4. Thread nipper mechanism

Apply grease to the portions indicated by the white arrows.

1. Thread nipper pulse motor assy

2. TN-motor setting plate
Spring washers [4 pes]

3.

4. Screws [4 pes]

5. Plain washers [2 pes]

6. Bolts [2 pes]

7. Motor lever

8.

Set screws [2 pes]

9. TN-sensor setting plate F

10. Screws with washers [2 pes]

11. Thread nipper lever shaft

12. Retaining ring, E

4618Q

13.Washer

14. Thread nipper lever

15.

Set screw

16. Connecting plate F assy

17. Plain washer

18.Levershaft

19. Set screw

20. Connecting plate B

21. Shoulder screws [2 pes]

22. TN-sensor setting plate B

23. Plain washers [2 pes)

24. Bolts [2 pes]

46

KE·430D, BE-438D

6-5. Work clamp lifter mechanism

Apply grease to the portions indicated by the white arrows.

&.ASSEMBLY

Adjust while referring to
"7-13. Adjusting the thread
wiper".

46I9Q

Align the set screw on the index mark A side of the
cam gear with the screw stop,
set screw so that the sides
cam are flush.
Align the index mark B
on the same side as the set screw with the index
mark A
screw so that the thread wiper
cam gear.

of

the cam gear,

of

and

then tighten the

of

the bearing and the

the thread wiper cam that is

and

then tighten the set

cam

is touching the

4620

Q

Align the screw stop so the abrasive

on

surface is
screw so that there is no play
direction.
Check that the cam shaft turns smoothly.

1.

Ball bearings

2.

Cam

3.

4.

5.

6.

7. Set screw collar, B

8. Set screws [2 pes]

9.

10.

11.

12.

13.

14.

15.

gear

Thread wiper cam

Cam

shaft
Set screws [2
Set screws [2

Stopper
Screw
Link (Insert from the back]
Link shoulder screws
Plain washers [2 pes]

Thread wiper

Set screw (Temporarily tighten)

the inside. Tighten the

[2

pes]

pes]
pes]

rod

shaft (with retaining ring)

[2

pes]

in

the axial

KE-4300, BE-4380

47

&.ASSEMBLY

KE-4300

BE-4380

4621Q

16. Work clamp lifter plate

17. Needle bar guide slide block

18. Lifter lever

19.Levershaft

20. Plain washer

21. Retaining ring, E

22. Set screw

23. Link shoulder screw

24.Rubbercap

<18>

Align the set screw with the screw
stop and then tighten it so that
there is no play in the lifter lever.
Check that the lifter lever moves
smoothly.

4622Q

<16> Button clamp lever
<17> Button
<18> Set screw
<19> Button clamp rod

<20> Roller
<21> Button clamp roller shaft

<22> Plain washer

<23> Nuts [2
<24> Needle bar guide slide block
<25> Lifter lever
<26> Lever shaft
<27> Plain washer
<28> Retaining ring, E

<29> Set screw
<30> Link shoulder screw

<31

> Rubber

Place the needle bar guide slide block onto the pin
of

the lifter lever. The pin and the surface
slide block should be aligned.
While aligning the needle bar guide slide block
the groove in the work clamp lifter plate (button clamp
rod), pass the lever shaft through the lifter lever.

clamp lever shaft

pes]

cap

of

the

with

Note:

When the work clamp lifter plate (button clamp
rod) is lowered, the needle bar guide

moves away, so hold the work clamp lifter plate
(button clamp rod) in place until the link shoulder
screw is tightened.

48

Align

KE-430D, BE-438D

slide block

4623Q

6.ASSEMBLY

4625Q

Hook the spring into the arm hole as shown in

illustration.

the

-....-

+HL

_jJ

0.5mm

Align the set screw with the screw
stop and tighten it so that the
clearance between the gear and the

pulse motor

P assembly is 0.5 mm.

4624Q

Bearing

4627Q

25

<32>

KE-4300

25. Spring

26. Gear

27.

28.

29.

4626Q

[2

pes]

Set screws [2 pes]
Pulse motor P assy
Bolts

[4

pes]

Connector

1) Face the screw stop
same direction

2) Tum the cam so that the bearing is at the home position
as shown in the illustration.
Set the connector so that it is facing downward, and then

3)
engage the gear and the cam gear
above positions
up any backlash and install the pulse motor

of

as

the pulse motor P assembly in the

the connector.

so

that the parts do not move. Then take

while maintaining the

P assembly.

KE-4300, BE-4380

BE-4380

<32> Spring
<33> Gear
<34>
<35>
<36> Bolts [4 pes]

[2

pes]

Set screws

Pulse motor P assy

[2

pes]

49

&.ASSEMBLY

6-6. Feed mechanism

Apply grease

-.---

+HL

_jJ

4624Q

to

the portions indicated by the white arrows.

Align the set screw with the screw

and

tighten it

the pulse motor X assembly

as

shown

O.Smm

stop
clearance between the
and

0.5

mm

* Make sure that

correctly.

5

in

the

so

that the

feed

illustration.

the

harness faces

gear

is

Apply grease
on

the inside.

to

the grease hole

Adjust

the

X-motor setting plate
gear backlash is 0
the bolt.

1.

Feed gear

2.

Set screws

3.

Pulse motor X assy [Insert from above the machine)

4.

X-motor setting plate

5.

Bolts

6.

Collar

7.

Plain washers [3

8.

Bolts

9.

X-feed lever

10.

X-feed gear

11.

Bolt

[4

[3

pes]

pes)

[2

pes]

pes]

- 0.05

50

mm,

so

that the

and

then tighten

KE-430D, BE-438D

Engage the feed gear
index marks are aligned, and then tighten the bolt
that they move smoothly with
direction.

Align

and

the X-feed gear so that the

no

play

in

4629Q

4630Q

so

the thrust

6.ASSEMBLY

16

4632Q

1) Loosen
of
so that

2)

Insert the Y-feed rack shaft, turn
the eccentric shaft
Y-feed rack shaft
the
the set screw.

the

set screw

a tum from the tightened position

the

eccentric shaft can turn.

ball bearing,

by

about 1/3

so

that the

slightly touches

and

then

tighten

20~~

195~17

9

Push theY-feed rack shaft
and thrust washer
together

the set screw.

n~Apply

and

then tighten

4633Q

close

12. Eccentric shaft

13. Ball bearing

[3

ring

pes]

(6

pes]

pin

pes)

1) Connect the Y-feed rack shaft
Y-connecting

2) Move the
moves smoothly into the holes
assembly,

3)

pin

with the retaining ring at the top.

feed

bracket sub assembly back and forth so that the Y-connecting

and

Temporarily remove the Y-connectlng pin.

then tighten the bolt.

KE-4300, BE-4380

and

the

of

the Y-feed rack shaft

14. Retaining

15. Set screw
(Temporarily tighten)

16.

Y-feed rack shaft

17.

Regulator block assy

18.

Set screw

19.

Feed bracket support plate

20. Bolts
(Temporarily tighten)

21. Feed bracket sub assy

22.

Regulator block assy

23. Set screw

24. Feed bracket cover

25.

Screws

26. Thrust washer

27. Retaining rings [2 pes]

28. Y-connecting

29. Set screws [2

,

Align

feed bracket

·~·

sub

assembly with the

and

the feed bracket sub

4634Q

4635

pin

Q

51

&.ASSEMBLY

+HL

4624Q

_l]

0.5mm

Align the set screw with the screw
stop and tighten
clearance between the feed gear
and the

0.5 mm

pulse motor Y assembly is

as

shown

it

so that the

in

the illustration.

Approx.

95

mm

30. Feed gear
Set screws

31.

32. Pulse motor Y assy

Y -motor setting plate

33.

34. Bolts [4 pes]

Plain washers

35.
Bolts [2 pes] (Temporarily tighten)

36.

(2

pes)

[2

pes]

4636Q

1 ) Provisionally tighten the bolt so that the distance shown

in

the illustration is 95 mm. The screw stop
motor Y assembly should be facing the same way as
the connector at this time.

2) Move the
theY-feed rack shaft moves with a force
then tighten the bolt.

pulse motor Y assembly up or down so that

of

8-12

of

the pulse

N,

and

4637Q

After installing, carry out the steps in "Feed mechanism home position adjustment"

on the following page.

52

KE-430D, BE-438D

&.ASSEMBLY

<Feed mechanism

home

position

ad'ustment>

O!CAUTION

(4)~

•

..;q:..!,.

X·SCALE

0

lYY·SCALE

oE)sPEeo

Oil&~~

COUNTER

0

l.

SPRIT

No.

B!®

cfu-~®

lllil®

oooCJ v

-

•

•a88BM

4638Q

1. Install the home position standard plate (1) to the feed bracket sub assembly (2) with the two screws (3).

2. Gently tilt back the machine head.

3.

Switch the.sewing machine to home position adjustment mode. (See "7-17. Adjusting the home position".)

4.

Press

and

hold the RESET key (4) for 2 seconds

* The offset value will be cleared and reset to "

4640Q

0".

or

more.

®~

4639Q

(7)

4S41Q

5.

Tum

the pulley by hand and check

not drop to point (A), carry out the following adjustments.

Note:

Be careful not to let the needle touch the home position standard plate.

6.

Loosen the bolt (5) and move the home position standard plate (1) to the left

drops

at

*

7. Tighten the bolt (5).

8.

Tum

9.

Make fine adjustments while referring to "7-17-1. Adjusting the X-Y feed home position".

the home position.

If

play occurs in the thrust direction, tighten the M6 bolt on the X-feed lever (6), and adjust while pulling the bolt.

off the power switch and check that there is no play in the thrust direction in the X-feed

at

what point the needle drops to the home position standard plate.

BoltM6

4642Q

If

the needle does

or

right to adjust the point where the needle

gear

(7).

KE-4300, BE-4380

53

&.ASSEMBLY

6-7. Upper shaft mechanism

Tighten the set screw so that the screw stop A

in

motor shaft is

on

the thread trimmer cam.
Tighten the set screw so that the screw stop
upper shaft is at a phase
degrees from the screw stop A

the same phase as the screw stop B

C

of

approximately

on

the motor shaft.

on

on

4644Q

the

the

180

4643Q

Install the bobbin winder driving
wheel so that it is
thread take-up crank as shown in
the
reference

1) Tighten the screw
it

is aligned with the upper shaft hole.

2) While pressing the thread take-up crank
play in it, tighten the two set screws (6).

is no

Apply adhesive (Threebond
thread section

1.

Uppershaft

2.

Bobbin winder driving wheel

3.

Thread take-up crank
Screw

4.

5.

Set screws [2 pes]

6.

Set screws

7.

Set screws [2 pes]

8.

Set screws [2 pes]

9.

Joint assy

[2

pes]

of

the screw.

of

the thread take-up crank

1401

10. Set

11. Motor assy

12.

Bolts [4 pes]

Pulley

13.

14. Screws with washers
pes:

[3

15.

Set screws

16. Thread trimmer cam

Set screws

17.

18. Rubber cap

in

phase with the

illustration and aligned with the

line

on

the upper shaft.

so

that

so

that there

or similar) to the

screws

[2

Loosen]

[2

(2

pes]

pes]
pes]

1) Align the index mark D
and the index mark
provisionally tighten the set screw at the index mark
side.

2) After tightening the set screw at the screw stop side,
fully tighten the set screw at the index mark side.
Carry out the adjustments

3)
thread trimmer cam position".

Apply the specified grease (GREASE BZL-301) to the
grooves.

Apply adhesive (Threebond
outside

of

the bearing

of

joint assy.

on

Eon

the joint assembly, and then

1401

or similar) to the

Reference line

the thread trimmer

in

"7-14. Adjusting the

4725Q

cam

4706Q

54

KE-4300, BE-4380

6-8. Needle bar mechanism

Apply grease <GREASE BZL-301> specified by Brother to the portions indicated by the white arrows.

&.ASSEMBLY

4645Q

lnsidehole

Tighten the set screw

while lightly pressing the thread take-up

support shaft

~

~~

9])

assembly.

on

the screw flat

16

10

11~

'\

11e

'""""

Inside hole Groove of hole

~

...

~

{J.

6

.

Inside;;.

hole

if?

~

(;/~

Fit the chamfering side
block

into the groove

guide.

block

\~

of

the slide

on

the slide

After securing the needle bar, position the slide

block

smoothly, and then tighten the bolts.

guide so that the machine pulley turns

1.

Slide block guide
Bolts

(2

2.

3.

Washer

4. Thread take-up

5.

Needle bearing

6.

Needle bar crank

7.

Set screws [2 pes]
Setscrew

8.

9. Needle bearing

pes] (Temporarily tighten)

lever assy

10. Needle bearing

11. Screw

12. Thread take-up support

13. Thread take-up support shaft assy

14.

15. Rubber caps [2 pes]

16. Rubber cap

17.

Align

the set screw with

the screw stop.

Set screws [2 pes]

Slide block

KE-4300, BE-4380

55

6.ASSEMBLY

With the needle bar
inserted, apply grease

inside the

holes.

19

.18

20

18.

Needle bar clamp

19.

Needle bar

20. Screw

21. Rubber cap

Pnsert

from

above]

Align the needle bar so that reference line A (the second lowest

reference line
line) is aligned with the lower edge of the needle bar bush when the
machine
position,
tighten the screw.

4647Q

on

the needle bar) or reference line a (top reference

pulley

is

and

turned to raise the needle bar from its lowest

then set the cut section so that it

is

facing forward and

a

DPX5

4646Q

A

DPX

17

56

KE-430D, BE-438D

&.ASSEMBLY

6-9. Lower shaft mechanism

Apply grease <GREASE BZL-301> or <GREASE BZL-302> specified by Brother to the portions indicated by the white
arrows.

While turning the machine pulley, move the
rock gear to the
where it turns
Place

set screw collar R against the edge

of

the bed

left

or

smoothly.

and

tighten the set screw.

right to the position

Adjust while referrjng to " 7-16. Adjusting
the

backlash

of

the lower shaft gear".

11

4648Q

Place the driver against the retaining ring
and

provisionally tighten the bolt.

1. Rock gear shaft [Insert from the rear of the machine head]

2.

Rock gear

Set

screw collar, B

3.

4.

Set

screws

5.

Set screw collar, R

6.

Set screw (Temporarily tighten)

7.

Set screws [2 pes] (Temporarily tighten)

8.

Wick

[2

pes]

KE-430D, BE-438D

9. Lower shaft assy

10. Retaining ring, E

11. Driver

12.

Bolt (Temporarily tighten)

13. Adjusting stud
Set screw

14.
Oil cap

15.

~nsert

from

the rear

4649Q

of

the machine head]

57

&.ASSEMBLY

Mating~

mark

Insert the crank
upper shaft, and then
crank rod {upper part) from above and
bolts.

* Check that the machine pulley turns smoothly.

16. Crank

17.

18. Crank

19.

20. Crank cover

21. Screws

rod

Needle bearing

rod

Bolts

[2

pes]

[3

rod

{lower part) into the crank of the

align the mating mark

gently tighten the

{Lower part) [Insert into upper shaft crank]
{Upper part) [Align the mating mark]

pes)

on

the

4650Q

58

KE·430D,

BE-4380

6-10. Shuttle hook mechanism

4651Q

G.

ASSEMBLY

After installing the shuttle hook, carry out the adjustments
needle bar lift amount", "7-4. Adjusting the driver needle guard" and "7-5.
Adjusting the needle clearance".

in

"7-3. Adjusting the

1. Needle bar thread guide
Needle

2.

3. Setscrew

4. Shuttle hook

5.

Shuttle race base

Shuttle race base setting claw [Close]

6.

7.

Bobbin

8. Bobbin case

KE-430D, BE-438D

59

&.ASSEMBLY

6-11. Thread trimmer mechanism (2)

Apply grease to the portions indicated

by

the white arrows.

4653Q

1) Insert the
hole
pin of the thread nipper connecting plate into the
hole in the thread nipper D assembly,
install the needle plate with the screws and flat
screws so that the
needle hole.

2)

Check through the slot
thread nipper D

pin

of

in

the movable knife connecting plate, insert the

the movable knife assembly into

and

needle drops into the center

in

the needle plate that the

assembly is on the pin.

of

the

then

the

1.

Spring hook plate

2.

Plain washers [2 pes]

3.

Screws [2

4.

Spring

5. Thread nipper U

6.

Shoulder screw

7.

Spacer

8. Collar

9.

Thread nipper D assy

1

0.

Shoulder screw

11.

Fixed knife

pes]

19

Thread nipper

connecting

4654Q

12. Plain washers

13. Spring washers [2 pes: except KE-430D denim spec.]

14. Screws [2

15. Movable knife spacer

16.

Movable knife assy

17.

Movable knife collar

18.

Movable knife shoulder screw

19.

Needle plate

20. Screws

21. Flat screws

pes]

[2 pes]

[2

[2

pes]

pes]

plate

4655Q

60

KE-4300, BE-4380

6-12. Work clamp arm mechanism (KE-4300)

Push the work clamp arm lever plate in the direction
arrow to raise the work clamp by about 5

Be careful not to drop these seven ball bearings
when installing the work clamp arm assembly.

the bearing ball gently against the underside
clamp arm support plate and secure the
the set screw.

6. ASSEMBLY

mm

, and then press

of

the work

su

pport shaft with

1.

Feed plate

2.

Screws [2 pes]

3.

Work clamp arm assy

4.

Plain washers

5.

Bol

ts

[2

6.

Support shaft

7.

Set screw

[2

pes)

of

the

paces]

After installing, carry out test feedi

frame. If the needle hole is not inside the frame, adjust the position

Apply grease

to all sliding parts during

ng

and check that the needle hole is inside the work clamp and the feed plate

asse

mbly

.

of

the work clamp arm assembly and feed plate.

4656Q

of

the work clamp (1) (Apply small amount

of

the work clamp ar m lever shaft (

of the work clamp arm lever plate (4)

of

the work clamp arm support shaft (5)

KE-43

00,

BE-4380

2)

and the work clamp arm levers

4657Q

1) Sliding portion

2) Sliding portion

3)

Round portion

4) Bearing ball

of

grease.)

Rand

L (3)

61

6.

ASSEMBLY

6-13. Work clamp arm mechanism (BE-4380)

1. Feed plate

2. Screws [2 pes]

3. Button

4.

5.

6.

clamp holder
Button clamp holder shaft
Set screws [2

Nuts [2 pes]

Adjusting

Compression spring

sc

pes)

rew

4658Q

After installing, check that the needle passes into the button hole without touching the button. (Refer

Adjusting the position

Apply

grease

to

the

of

the button holder".)

portions

indicated

by

the

arrows

during

assem

bly

.

to

"7-12.

62

KE-4300, BE-4380

46

59Q

6-14. Covers

&.ASSEMBLY

1.

Shuttle race cover assy 8. Screws [2 pes]
Spring washers [2 pes] 9. Frame side cover

2.

3.

Screws [2 pes] 10. Screws [4 pes]

4. Face plate assy 11. Back cover

5.

Screws [3 pes]

6. Eye guard assy 13. Top cover

7. Plain washers [2 pes] 14.

KE-4300, BE-4380

12.

Screws [4 pes]
Screws [6 pes]

63

7.

ADJUSTMENT

7. ADJUSTMENT

A CAUTION

Maintenance and inspection of the sewing machine

should only
Ask your Brother

carry out any maintenance
electrical system.

be

carried out

dealer or a qualified electrician

by

a qualified technician.

and

inspection of the

A Tum off the power switch and disconnect the power

f.:!!:j.

cord from the wall outlet at the following times,
otherwise the machine may operate if the foot

by

switch is depressed
in

injury.

• When carrying out inspection, adjustment and
maintenance

• When replacing consumable parts such as the
rotary hook

mistake, which could result

7-1. Standard thread tension

Use

Upper thread #50 or equivalent
Lower thread

Upper thread tension

Lower thread tension
Thread
Thread

(N)
(N)

take-up spring

height (mm)

take-up spring

tension (N)

Pre-tension (N)

Ordinary

#60

materials

(:01)

or

equivalent #80 or equivalent

Foundation

#60

0.8-1.2

0.2-0.4

A

~

to

A

~

0

KE-4300

garments ( -07)

or equivalent

0.2-0.3
6-8

0.05-0.3

Hold

the machine head with both hands when tilting
it back or returning it to its original position.
Furthermore, after
not push the face plate side or the pulley side
above, as this could cause the machine head
topple over, which may result
damage to the machine.

If

the power switch needs
out some adjustment, be extremely careful
observe all safety precautions.

If any safety devices have been removed, be
absolutely sure
positions
before using the machine.

and

Denim (-02)
#30 or equivalent
#50

tilting back the machine head,

in

personal injury or

to

be

left

on

when carrying

to

re-install them

check that they operate correctly

or equivalent

1.6-2.0

0.6-1.0

to

their original

BE-4380

#60 or equivalent
#60 or equivalent

1.0-1.8

0.2-0.4
7-9

0.15-0.35

0.1-0.4

do

from

to

to

Needle

DP

x5#14

7-1-1. Upper and lower thread tension

4661Q

DP x 5#9

DP

x 17NY#19

DPx

17NY#12

4662Q

64

KE-4300, BE-4380

7-1-2. Thread take-up spring

Lower Higher

4663Q

7.

ADJUSTMENT

< Thread take-up spring height >

Loosen the set screw (1) and tum the tensioner body to
adjust the thread take-up spring height.

< Thread take-up

spring

tension >

co

4664Q

Tum the tension stud (2) with a screwdriver.
*When

the spring height (stroke) is great

thread trimming.

or

Stronger

Weaker

4665Q

the spring tension is insufficient, it may cause the thread end length to vary after

KE·430D, BE-4380

65

7. ADJUSTMENT

7-2. Adjusting the needle bar height

(1)

a

(DP

XS)

2552Q

Tum the pulley to move the needle bar to the lowest position. Then remove the rubber cap (2), loosen the screw (3) and

up

or

then move the needle bar
(reference

•

If

line A) is aligned with the lower edge

using a DP x 5 needle, use the highest reference line (reference line a).

down to adjust so that the second reference line from the bottom

A

DPX

17

of

the needle bar bush

(1

4667Q

of

the needle bar

).

7-3. Adjusting the needle bar lift amount

(1)

B

DPX

17

4668Q

2554Q

b

(DP X

5)

Tum the pulley to raise the needle bar from the lowest position until the lowest reference line on the needle bar (reference

line

B)

is

aligned with the lower edge

so that the tip

•

If

using a DP x 5 needle, use the second reference line from the top on the needle bar (reference line b).

of

the rotary hook is aligned with the needle center line.

of

the needle bar bush

(1

).

Then loosen the bolt (2) and move the driver {3) to adjust

7-4. Adjusting the driver needle guard

Needle

center line

(1)

0135Q

Tum the pulley to align the tip

eccentric shaft (3) to adjust so that the driver
Note:

If

the needle contact pressure is too great, skipped stitches

not

touching the needle, the tip

friction.

of

the rotary hook with the needle center line. Then loosen the

of

the inner rotary hook will obstruct the needle, resulting in an excessively high amount

needle guard (1) contacts the needle.

may

occur.

2555Q

On

the other hand,

set

screw (2) and tum the

if

the driver needle guard (1) is

4669Q

of

66

KE·430D,

BE-4380

7-5. Adjusting the needle clearance

7. ADJUSTMENT

0138Q

Turn the pulley to align the tip

eccentric shaft

(2) to adjust so that the clearance between the needle and the rotary hook is 0.01 - 0.08 mm.

of

the rotary hook with the needle center line. Then loosen the set screw (1) and tum the

7-6. Adjusting the shuttle race thread guide

t

Install the shuttle race thread guide (1)

of

the center

Note:

If

occu~

The position ·of the shuttle race thread guide is adjusted at the time
changed

the needle plate hole.

the shuttle race thread guide is

if

at all possible.

by

pushing it in the direction

in

the wrong position, thread breakages, soiled thread

.

of

4670Q

II

,

3574Q

the arrow so that the needle groove is aligned with

or

thread entanglements may

of

shipment from the factory. It should not be

KE-4300, BE-438D

67

7. ADJUSTMENT

7-7. Adjusting the position

of

the movable knife

1.

Remove the top cover and tilt back the machine head.

2. Tum the machine
mark ( 1) is near facing straight upward.

4723Q

pulley by hand so that the index

4672Q

3. Loosen the bolt (2).

4.

Use the spanner 10 to turn the nut (3) counterclockwise until

5.

In

this condition, move thread trimmer rod H (5) forward

right side

6. Tighten the

4724Q

7.

Loosen the nut (6), and then tum the set screw (8) to adjust so that the outside

aligned with the ridge line

8.

Tighten the nut (6).

9.

Turn the pulley by hand to set the needle bar to its lowest point.

10. Check that the collar (9) is not touching the inside of the thread trimmer cam (10). Furthermore, push the driving lever(11)
by hand toward the thread trimmer cam (10) so that the collar (9) goes into the groove
hand and check that the driving

of

the needle plate and the ridge line on the movable knife (4) is 9 mm.

bolt (2), and then check the above position once more.

on

the shuttle race thread guide (7).

lever (11) returns smoothly to its original position.

it

stops.

or

back to adjust so that the distance between the ridge line

of

the hole in the movable knife (4) is

of

the cam, and then release your

4671Q

on

the

4687Q

68

KE-4300,

BE-4380

7-8. Replacing the movable knife and fixed knife

7. ADJUSTMENT

4673Q

1. Open the shuttle race cover, remove the two screws

2.

Remove the two screws (3) and the two fiat screws (4), and then remove the needle plate (5).

3.

Remove the movable knife (6) and the fixed knife (7

(9

)~

(8)

~

Jr

(10)

~~

4674Q

4.

Install n

5.

Apply grease to the outside

6.

Check that the movable knife (6) and the fixed knife (7) cut the thread cleanl

appropriate

7.

Apply grease to the pin (11)
Then,

plate

8.

Check that the center of the needle hole and the needle are aligned.

ew

fixed knife (7) in the position shown in the illustration.

movable knife spacer (10) (supplied as accesso

while placing the pin (14)

(5).

(6)

of

the coll

ar (8) and the shoulder scr

of

the movable knife, and then insert it into the hole in the movable knife connecting plate (12).

of

thread nipper connecting plate F into the hole in thread ni pper D (13), install the needle

(1

),

and then remove the feed plate (2).

).

ew

(9), and then install a new movable knife (6

rie

s).

y.

4675Q

).

If necessary, adjust by using the

KE-4300, BE-438D

69

7. ADJUSTMENT

7-9. Adjusting the work clamp lift amount (KE-4300)

Adjust so that the actual maximum
maximum work

1.

Loosen the bolt ( 1) and move the work clamp arm lever plate (2) up

2.

Apply grease to the bottom
sliding part of the work clamp (4) (grease is already applied at the time
becomes easier.

clamp height has been set to 17

lift

amount for the work clamp is 17 mm above the top

mm

using the operation panel.

(4)

17mm

of

the work clamp lifter plate (3), to the top

or

down to adjust.

of

the work clamp arm lever plate (2) and to the

of

shipment), and check that the movement

of

the needle plate when the

4676Q

7-10. Adjusting the button clamp lift amount (BE-4380)

Adjust so that the actual maximum
maximum button

clamp height has been set to 13 mm using the operation panel.

13mm

Remove the spring

* If the button clamp lift amount is too large, the button clamp will not be raised.

(1

),

loosen the screw (2) and adjust the button clamp holder hook (3) by moving it up and down.

lift

amount for the button clamp is 13 mm above the top of the needle plate when the

4677Q

70

KE-430D, BE·438D

7-11. Adjusting the holding pressure (BE-4380)

Loosen the nut (1) and turn the nut (2) to the point where it
is just tight enough that

when it is slightly pulled (keep pressure as slight as

possible).

7. ADJUSTMENT

th

e material will not slip out

of

place

'---(

7-12. Adjusting the position

A-

1)

4678Q

of

the button clamp (BE-4380)

1.

Loosen the two bolts (1) and adjust the button clamp
base (2) by movi

2.

Carry out test feeding

through the button

•

4679Q

7-13. Adjusting the thread trimmer cam position

1.

Remove the top cover.

2.

Loosen the two set screws
position
distance between the edge of the collar shaft (2)
edge
adjusting, tighten the two set screws (1

of

of

the thread trimmer cam (3) is 0.5 mm. After

ng

it.

to

check that the needle will go

hole with no contact.

(1

),

and then adjust the

the thread trimmer cam (3) so that the

and the

).

O.Sm

m

46

85Q

KE-430D, BE-438D

71

7.ADJUSTMENT

7-14. Adjusting the thread wiper

<Thread

Approx. 2

4680Q

< Thread

wiper

height adjustment>

mm

wiper

racking width adjustment >

4681Q

Loosen
the thread wiper
clearance between the top
thread wiper (1)
is
thread wiper (1)
center

the

two screws (2)

and

approximately 2

is

of

the needle.

and

adjust

(1)

so that the

of

the needle point

mm

when the

aligned with

Note:

Check that the needle bar thread
guide (3) and the thread wiper base
shaft (4) are not touching at this
time.

1.

Remove the back cover.

2.

Loosen the set screw ( 1 )

adjust so that the distance
the thread wiper
the

needle

illustration.

to

is

the center of

as shown in

the

the

and

from

the

I I I

Approx. 25

4682Q

<Thread

You
prevent the thread from getting caught when the work

wiper

racking

can adjust the thread wiper racking timing to the ideal setting that matches the height. of the work clamp,

timing

adjustment>

mm

Approx.

clamp is lowered.

1.

2.

3.

.I

20

mm

4683Q

Remove the back cover.
Loosen the two screws
(2)

on

the

cam

is

on

the thread wiper

• If mark (2) is closer to mark (3), the thread wiper will
move below the work clamp when it moves
sideways.

• If mark (2) is closer to mark (4), the thread wiper will
move above the work clamp when it moves
sideways.

After making the adjustment, switch to work clamp
height setting mode and check the thread wiper racking
timing.

(1

),

and

adjust so that the mark

in

between the two marks (3)
cam.

Note:

If the mark (2)
and

the thread wiper may touch.
height of the thread wiper. However,
the thread wiper and the needle touch each other.

is

too close

to

the mark (4), the work clamp

if

this happens, adjust the

in

order to

and

be

careful not to let

(4)

4684Q

72

KE-4300, BE-4380

7-15. Adjusting the tension release amount

11.5mm

(2)

7. ADJUSTMENT

4688Q

1.

Loosen the nut (4) and

plate (3) is 11.5 mm when the plunger

setting

2. Check that the tension disc opening amount is
and the plunger is pushed with a screwdriver

• When memory switch No.
out

at the sewing start.

•

If

memory switch No. 552 has been set so that the tension release timing is early, you can increase the trailing length for

the upper thread.

7-16. Adjusting the backlash

tum

the bolt (2) to adjust

551

is

set to "ON", the tension release will operate to reduce instances

so

of

or

of

that the distance between the tip

the tension release solenoid (1) is pushed in as far as it will go.

1.0-

1.5

mm

when the tension release solenoid (1) is installed to the arm

similar tool through the hole in the solenoid cover.

the lower shaft gear

of

the bolt (2) and the solenoid

0.05-0.15

of

the thread pulling

mm

4689Q

(1)

4690Q

1.

Loosen the

2. Tum the rock

set

screw

(1

),

gear

and move the rock

shaft (3) to adjust the play at the end

gear

(2) to the left and right so that the pulley can rotate easily.

of

KE-4300,

the driver (4) to

BE-4380

0.05-

4691Q

0.15 mm, and tighten the set screw

(1

).

73

7. ADJUSTMENT

7-17.

Adjusting

the

7-17-1. X-Y feed home

Turn

the

pulley

to

set

1

the needle

2

TEST indicator and X-SCALE indicator li ht

3

~d::

X

,.,

X-SCALE

......

home

position

to

position

the needle up

stop

position.

While pressing the
the power switch.

• Keep pressing the
displayed and the buzzer beeps once.

IDI(!)

...

STEP

• "orG" will flash in the PROGRAM No. display

Press the SELECT key so that either the X-SCALE
indicator or the Y-SCALE indicator illuminates.

T

offset value (default:
display.

'f

A keys simultaneously, turn

'f

A keys until the model name

liD

®

II+

STEP

0)

will

be

displayed in the menu

4569Q 4443Q 4421Q

and

on

is

the

0

tv

Y-SCALE

4

5

Press the RESET key.

• Home position detection will be carried out,
currently-registered home position.

*

If

you press the RESET key for 2 seconds or more at this time, the offset value will

• o

to

•.

Use the home position standard plate
or
the needle drops at the home position.

• The feed mechanism will move

lim]

..

®

6

7 Repeat steps 5 and 6

8 End adjustment mode.

to

•

Note:

Always be sure to press the
adjustment mode without checking the home position, error "E202" may

STEP

Press the RESET

•

adjust

the

home

position.

Press the TEST key.

• The display will return to the normal display and

TEST indicator switches off

RESET key and check the home position before ending adjustment mode. If

4570Q

and

the feed mechanism will stop at the

be

reset

and

'f

key to change the offset value (-999 to 999)

in

conjunction with the

value.

setting

The feed mechanism will move to the home position.

Check the home position.

sewing machine will switch to home position detection
standby.

be

key.

generated.

.

press the A

so

that

4571Q

the

you

end

74

KE-4300, BE-4380

7-17-2. Work clamp lift home position

Tum

the

pulley

to

set

1

the needle

to

the needle

2

O!CAUTION

•

~~

--

ol.sPRITNo.-

up

7.ADJUSTMENT

stop

position.

While pressing the
the power switch.

* Keep pressing the T A keys until the model name is

displayed and the buzzer beeps once.

'f

A keys simultaneously, tum

Em

®

II+

STEP

on

3

4

5

•

-

TEST indicator

-'!(!)

8§)8811

and

THREAD/CLAMP indicator

Press the RESET

• Home position detection will be carried out, and the work clamp will stop at the
currently-registered home position.

*

If

you press the RESET key for 2 seconds

to"

@=:

X-SCALE indicator li ht

li

key.

0

•.

• "orG" will flash
offset value (default:
display.

Press the SELECT key so that either the X-SCALE
indicator or the Y-SCALE indicator illuminates.

hts

or

Press the A or

to 999) so that the work clamp lifter plate (1) moves

position where it starts to lower.

in

the PROGRAM

0) will be displayed in the menu

more at this time, the offset value will

'f

key

to

change the offset value (-999

I J

No.

display

4569Q 4443Q 4421Q

II

I L I

ID:t(!)

~

.

STEP

®

li'fm

II+

STEP

and

be

the

reset

to

the

Touch the bottom
the position where

of

the work clamp lifter plate and check

it

starts to lower.

6

7 Repeat steps 5 and 6

to

adjust

the home position.

8 End adjustment mode.

TEST indicator switches off

Note:

Always be sure to press the
adjustment mode without checking the home position, error

RESET key

and

check the home position before ending adjustment mode. If you end

KE-430D, BE-438D

o The work clamp lifter plate (1) will move in conjunction

with the setting value.

4572Q4692Q

Press the RESET key.

o The work clamp will move to the home position. Check

the home position.

Press the TEST key.

• The display will return
sewing machine will switch to home position detection
standby.

"E303" may

be

generated.

to

the normal display

and

the

75

7. ADJUSTMENT

7-18. Adjusting the position

0 X

X·SCAI.E

-

o

(4)

[J

,-

m.\li3(!)

~

STEP

tvv-SCAI.E

(2)

.

tl

u f

®

I

mm

...

STEP

of

the thread nipper

1. Turn the pulley to set the needle to the needle up stop
position.

2. While pressing the
on the power switch.

* Keep pressing the T A keys ( 1 ) until the model

name is displayed and the buzzer beeps once.

3. Press the SELECT key (2) until the
indicator (3) illuminates.

4. Press the
*Home

will

4693Q

T A keys (1) simultaneously, turn

TENSION/WIND

RESET key (4).

position detection will be carried out and "P 01"

be

displayed

in

the menu display (5).

4573Q

5.

Loosen the two set screws (8) and move the motor lever (9) to adjust so that the clearance between the home position
sensor (6) and thread nipper connecting

4695Q

6. Loosen the two screws (11) and move the home position sensor (6) to adjust so that the center
the center

7.

Press the RESET key (4) to carry out home position detection, and check that the home position described above is
correct.

8. Repeat steps 6 and 7 to adjust the home position.

of

the hole in the thread nipper D assembly

plate B (7) is

0.1

- 0.5 mm.

(1

0) are aligned.

of

the needle hole and

4694Q

4696Q

76

KE-4300, BE-4380

4697Q

7. ADJUSTMENT

fJ

' Lf

,,

J

.:r

..

~fT\

STEP\!...,)

9.

Press the

10. Loosen the two bolts (12).

11.

Move the home position sensor (13) so that the clearance between the thread nipper connecting plate F assembly (14)

and the home position sensor (13)
of

the sensor changes from off to illuminated.

12.

Press the TEST key to end the adjusting mode.

.&.

key so that "P 03" is displayed in the menu display.

®

....

STEP

is

0.1-0.5

0.1-0.Smm

mm, and then tighten the bolts (12)

at

the position where the red indicator

4698Q

<Thread

You

• When the thread nipper timing is made faster, the thread will not pull out so easily.

•

nipper

timing

adjustment>

can use the setting for memory switch No. 553 to adjust the thread nipper timing.

When the thread nipper timing is made slower, the thread will not get tangled so easily.

KE-430D, BE-438D

77

7. ADJUSTMENT

7-19. Adjusting the needle up stop home position

1. Remove the needle, the needle bar thread guide and
the feed plate.

2. Tum the

position.

3. Remove the rubber cap {2) from the face plate, and
then loosen the screw (3) of the needle bar clamp.

4. Adjust so that the distance h is as shown below when

the needle bar is at its lowest position.

5. Tighten the screw (3), and then

(2).

6. Tum the machine pulley

from its highest position to height

pulley

to

move the needle bar {1) to the lowest

install the rubber cap

to

lower the needle bar (1)

H.

h

T---o:::;::===-...____

Needle plat

O!CAUTION

o

lvv·SCALE

oE}sPEED

-

0

.l

SPRITNo. -

•

&:;:®

-

-88888

H

®!

4699Q

Needle

H
h 18.0

KE-4300

52.7

0Px17

mm

BE-4380

I
I 53.87mm

mm

0Px5

47.6

mm

12.9mm

4700Q

7. While pressing the

• Keep pressing the

8. Press the

9. Release the machine

10. Move the magnet (6) to the point where the menu display {7) changed

78

1:1

1:1

key (4), tum on the power switch.

1:1

key {4) or V key {5) to select check code • 8

key {4) until the model name is displayed and the buzzer beeps once.

pulley and loosen the bolt (7) of the magnet (6) by 1/4

KE·430D, BE·438D

".

(Refer to "2-9. Input checking method".)

of

a tum.

from·

on"

to

"oFF", and then tighten the bolt (7).

4701Q

7-20. Adjusting the needle up stop position

7. ADJUSTMENT

4420Q 4702Q

The needle
the range
The standard

KE-430D: 5.0 - 5.5 mm below the highest position
BE-438D: 7.6 -

Note:

When the four bolts (3)
move out
needle up stop home position.

[Adjustment method)

1

up

stop position is adjusted using the operation panel so that the index mark (1) on the machine pulley is within

of

the marks (2) on the back cover.

needle up stop positions are as follows.

of

8.1

mm below the highest position

of

the sewing machine motor and the bolt (4)

of

adjustment. Do not loosen these bolts when the settings are at the factory defaults

bf'Ot:he(

O!CAUTION

•

~

-

•

-

0

tYY·SCALE

~~eSP~:eo

~,

..

O!imCOIJIITCR

0 l_

B!®

EJ§J881J

X-SCALE

SPRIT

t&

No.

-

PROGRAM

No.

@ 0 X

IIIII®

oooo

v

~!

of

:r---.,

the needle bar
the needle bar

While pressing the V ll keys simultaneously, tum on
the power switch.

* Keep pressing the V ll keys until the model name

displayed and the buzzer beeps once.

• "orG" will flash in the PROGRAM No. display and the
offset
display .

of

the magnet are loosened, the feed timing may

or

after adjusting the

value (default: 0) will be displayed in the menu

is

•

TEST indicator and SPEED indicator light

2

step

~

2nd

~-~~

KE-4300, BE-4380

Depress the foot switch to the 2nd step.

• X-Y home position detection will be carried out and the
"orG"

will stop flashing and illuminate steadily.

4703Q

4441Q

79

7. ADJUSTMENT

3

nmaC!)

~

T

STEP

4

2nd

step

5 End adjustment mode.

IBD

....

®

STEP

TEST indicator switches off

Press the

• When you press the A

Depress the foot switch to the 2nd step.

• The upper shaft will move one stitch and stop at the

Press the TEST key.

• The offset value will be memorized and the sewing

7-21. Checking the machine head switch

Check that the machine head switch is turned
in the illustration.

A

or

"Y

key to set the offset value

and when you press the

offset value that has been set.

machine

will switch to home position detection standby.

key,

"Y

the needle bar will drop,

key,

it will rise.

(-10-

on

as shown

10).

4704Q

4441Q

Note:

If the machine head switch is not turned on, error [E050]
or

[E051]

or

[E055] will be displayed.

4

80

KE-430D, BE-438D

8.

Applying

grease (When "GREASEUP" appears)

8. Applying grease (When "GREASEUP" appears)

If "GrE" and "AS. UP" flash
when the power switch is turned on, it means that grease needs to be
time, even

Apply grease while referring

if

the foot switch is depressed.)

on

the PROGRAM

to

the following page.

(3)

brother

O!CAUTION

No.

display (1) and the menu display (2) respectively,

applied. (The sewing machine will not operate at this

(1)

otv
o9SPEED

and

a buzzer sounds

-

0 I SPRITNi•

- -

-

//

B!C!J

...

...

~-

STEP

(2)

•

888811

-

<To continue

1.

Press the RESET key (3).

2.

The PROGRAM No. display (1) and the menu display (2) will change to the normal displays, and sewing can be carried
out by depressing the foot switch.

Note:

• "GrE" and "AS.UP" will continue to be displayed each time the power is tumed on until grease is applied

•

If

*

If
problems

sewing

notification
If

you continue to use the sewing machine after the "GrE" and "AS. UP" notification appears without applying grease
(or without carrying out the reset procedure),
machine

this happens, apply grease and carry out the reset procedure.

you

continue

temporarily

is

reset by carrying out the procedure on the following page.

will be forcibly prevented from operating for safety reasons.

to

use

with

the

sewing machine

without

the

sewing machine after carrying

applying grease>

"E100" will appear after a certain period

may

result.

out

the

reset procedure

but

of

time and the sewing

without

applying grease,

and

4485Q

the

KE-430D, BE-438D

81

8.

Applying

<Applying grease>

grease (When "GREASEUP" appears)

GREASE

BZL-301

(SA2694-001)

,.u.._

___

~

I I

30mm

2934M

Note:

• Use only the grease <BZL-301 (SA2694-001) in the
blue tube> specified by Brother.

•

Do

not use the BZL-300 (SA2355-001) grease

white tube with this sewing machine.

•

Do

not use the BZL-301 (SA2694-001) grease
blue tube for any models except for those which
indicated with "Use only the grease <BZL-301
(SA2694-001 )>specified by Brother".

Purchase
applying

the

"grease

grease.

unit"

(SA2693-001)

to

use

in
in

the
the

are

for

1. Using

the

tube

CD

~

®

2.

Applying

Follow the procedure below to apply grease

Insert the tip

hole.

grease

of

the tube (1) into the

to

the places indicated by arrows on the next page.

While pushing the nozzle
squeeze the tube
to each

hole.

to

apply grease

(1

lighten

),

grease.

the screw (2) to push

2935M

4502Q

in

the

1.

Tum off the power switch.

2.

Remove the screw (2). (Refer to the next page for greasing locations.)

3. While turning the machine pulley by hand to move the needle bar up and down, apply grease to each hole until
grease overflows slightly.

4.

lighten

82

the screw (2) to push in the grease.

4503Q

5.

Tum the machine pulley
down several times

6.

Use a cloth to wipe away any excess grease from around the screw

(2).

7.

Apply grease to all locations shown on the next page
way.

8.

After this, carry out the reset procedure given on the next page.

Note:

• Once the grease tube has been opened, remove the nozzle
the tube, attach the cap securely
place.
The grease should be used

•

• When using the grease again, remove any old grease from inside
the

nozzle first.

(Store the tube away carefully once the tube has been opened,
otherwise the grease remaining inside the tube may deteriorate,
this may affect its lubricating performance.)

KE-4300,

BE-4380

by

in

order to disperse the grease.

hand to move the needle bar up

in

the same

and

store the tube in a cool dark

as

quickly as possible.

the

and

from

and

<Grease application locations>

4534Q

• Left-hand thread

8.

Applying

Turn the machine pulley until the
screw (1)

can

be seen.

grease (When "GREASEUP" appears)

<Resetting the grease

(3}

(4}

••

-

EJ§)§)EJIJ

up

counter>

Be careful not to drop the screw (2)

when removing

(1)

it.

(5)

(2)
(6)

;:.

(7)

4536Q

4535Q

Once the grease has been applied, follow the procedure
below to reset the cumulative number of stitches between
grease applications.

Tum

on

1.
in
and
Press the RESET key (3). The program No. display

2.
and

displays.
While pressing the TEST key (4), press the

3.
"GrS" will appear
the cumulative number
required will appear
100,000 stitches.

(The number
digits of the program No. display (1) and menu display
(2)
pressed.)

Press the T key (7). The cumulative

4.
stitches will
Press and hold the RESET key (3) for 2 seconds or

5.

more. (This completes the reset procedure.}
When you press the TEST key (4), the displays will

6.
return to their normal displays.

the power switch. "GrE"

the program

the buzzer will sound.

the

in

units of 100 stitches while the • key (6) is being

No.

display (1) and the menu display

menu

display (2) will return

in

the program

in

the menu display (2)

of

stitches will be displayed

be

reset

to

"0000".

and

"AS.UP" will flash

to

their normal

No.

display

of

stitches until greasing

in

number of

ll

key

(1),

in

units of

all seven

(2)
(1)

(5).

and

is

KE-4300, BE-4380

83

9. ELECTRIC MECHANISM

9. ELECTRIC MECHANISM

A DANGER

Wait at least 5 minutes after turning off the power switch and disconnecting the power cord from the wall outlet
before

~~ening

severe tnjury.

the face plate

of

the control box. Touching areas where high voltage:; art: present can result in

9-1. Precautions at the time

Pay attention

Electric shock

Some large capacitors may have a high voltage remaining in them for up to 5 minutes after the power
prevent electric shock, wait at least 5 minutes after the power is turned off before doing the following:

• Opening and closing the control box

• Replacing fuses

• Separating and joining connectors

• Measuring resistance

• Doing anything with a possibility of touching something inside the control box
Some adjustments require measuring the voltage while the power is turned on with the control box kept open.
In

such a case, be careful not to touch any place other than that for the measurement.

a high voltage remains for about
Injury

While the power is turned on, the cooling fan
When separating
as heat sinks and covers.

to

the following when opening the control

5 minutes after power is turned off.

or

rejoining connectors, and measuring something, be careful not to cut your fingers on metal parts such

of

adjustment

box

for

maintenance.

of

the control box operates; be careful not to

In

addition, always keep in mind that

get

caught in it.

is

turned off.

To

84

KE-430D, BE-438D

9. ELECTRIC MECHANISM

9-2. Components inside the control box and the operation panel

Main

P.

C.

board

Secured to the side. This PCB serves to control machine operation.
PMD

P.

C.

board

Secured to the bottom. This PCB drives the pulse motor and solenoids.
Power

supply
Secured to the back. This PCB generates the voltages that are required for each conttol operation and drives the main shaft
motor.
Eight fuses are mounted on this

DC

fan
The DC fan motor serves as a fan to cool the inside
The filters

Conversion
Steps-down

P.

C.

NF
Eliminates electrical noise that is transmitted along the power supply line.

Panel

PCB

Secured inside the operation panel. This PCB controls indications

motor

P.

C.

board

PCB.

motor

of

the control box.

at

the ventilation holes in cover and the base plate should be cleaned about once a month.
transformer

t~e

power supply voltage and generates the voltages that are required for each control operation.

board

(For

(Two types are available depending on the power supply voltage specifications.)

Europe)

of

the machine status and the input operation.

Control box

4588Q

Power supply
motorP.C.
board

0

Main
board

Operation panel

P.C.

4589Q

KE-4300, BE-4380

85

9. ELECTRIC MECHANISM

9-3. Fuse explanation

When replacing a fuse, be sure to use the specified ones listed below.

If

a component on a PCB

is

damaged, a fuse

may

blow again immediately even when it has been replaced.

No.

F1

F2

F3

F4

F5

F6
F7 Fuse 15AFB

F8

Power supply motor

Fuse 15AFB
(glass tube fuse, 15A-250V)

Fuse6AFB
(glass tube fuse, 6A-250V)

Fuse 6AFB
(glass tube fuse, 6A-250V)

Fuse 3AFB
(glass tube fuse, 3A-250V) and "E403" displayed.

Fuse 3AFB
(glass tube fuse, 3A-250V) nothing operates.

Fuse 3AFB
(glass tube fuse, 3A-250V)

(glass tube fuse, 15A-250V) nothing operates.

Part name

P.C.

board

Part code

SA3794-001

SA3759-001

SA3759-001

616167-001

616167-001

616167-001

SA3794-001

When a fuse has blown

The machine motor does not tum, and error E130
is displayed.

The feed mechanism does not operate, and error
E201

or

E211

is displayed.

work clamp does not operate, and error E300

The
is displayed.
The thread trimmer solenoid or tension release
solenoid does not operate and thread trimming is
disabled.

Communication problem with

The power indicator is not illuminated, and

The DC fan motor does not run, and error E740 is
displayed.

The power indicator

is not

PMD

P.C.

board

illuminated, and

86

KE-4300, BE·438D

CE

Oc.:

~

F3

F2

CE

Do:

CE

0:

c:::J:
c:::J:

lo

c:::J:

Oc=J

0:13:

D

Cl:

~

4590Q

~

9-4. Connectors

Most

of

the machine trouble is due to connector problems including improper connection or sufficient contact. Therefore, be

if

sure to check
starting troubleshooting procedures.

9-4-1. Connector positions

Main P. C. board

each connector is correctly inserted and that there is no contact failure between pins and wires before

9. ELECTRIC MECHANISM

~=EN~~N~

P1

~0

MARKER

P2

X_ENC

P14

--

M_MOTOR

~

I~

tJ

[LJD

DD

D

D

0

0

0 OP-AIR

D

I~

n

r----~

a"

;

cts-o~CLR

DO

D

D 0

[!]

Ooo[J_::

D D EXIN

o

D

D

DODD

11

1111111111111111111111111111

o~GIII

~~OT

r

D

llr=ORG

~

LJ

&~I

rJ

I

D

LT--1

1

~~~-SEN

:~~EL

P7

PS

::0-SW

P10

P20

PRG
P11

HEAD

4591Q

PMD

P.

C.

board

pg

___..HI

POWER1

P10

XPM

~~~

lr--rl

I

I"='

1~-::::-t:::--EJ-

0

~---"@)

=>

c a : : : :

,.:

~

G

~

____

®)

__

.;,;,_;,__

r::~:J

I

'9'-n.n.n.n.aUq•

• • • • 0

~

~

B :

~

~~~ww~

____

~

i:~~M

n • • • •

,

.n.n.n.aUq,

@

~ ~

:o:

~~~w~w~

n@)

:

P1
MAIN

D

D

P2

POWER2

D

P4

SOL2

BT_PICK

4592Q

KE-4300,

BE-4380

87

9. ELECTRIC MECHANISM

Power supply motor P.

pg

----'

ACIN

C.

board

MAIN

Panel PCB

CN2
MAIN

0

0

@

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4593Q

a

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88

KE-430D, BE-438D

4594Q

9-4-2. Contact failure

9. ELECTRIC MECHANISM

The connectors functions are divided into five categories.
investigate another category

Feed

mechanism

• The feed mechanism operates for a moment but the home
position is not detected correctly.

·Error

E200

or

E210 is displayed.

• Forward feed does not operate correctly.

• Error E210

• Sideways feed does not operate correctly.

• Error E200

or

E211

or

E201 is displayed.

if

a problem is not found in

Problem

is displayed.

one

Some

connectors may belong to more than one group. Be sure to

category.

Connector No. and position

Main

P.C.

board

~x-~~~cl

11

X

pulse

motor

PMD

I

lv~~cl

ll

Ypulse

motor

P.C.

board

P8

VPM

I

II

Ypulse

motor

PMD

P.C.

board

P10

I

XPM

I

4707Q

4708Q

•

The

feed motor does

• Error E200 is displayed.

W k I h

or

c

amp

mec

•

The

work clamp pulse motor rotates but the home position is not

detected correctly.

• Error E300 is displayed.

• The work clamp pulse motor does

• Error E300

or

not

operate.

amsm

Problem

E301 is displayed.

not

rotate correctly.

II

X

pulse

motor

PMD

P.C.

board

P9

POWER

1

Power

supply

P.C.

Connector No. and position

Main

P4

I

Work
pulse motor

PMD

P3

I

II

board

P.C.

board

P_ENC

II

clamp

P.C.

PPM

1

motor

board

1

I

I

4709Q

4710Q

4711Q

KE-4300, BE-4380

Work

pulse

II

clamp
motor

4712Q

89

9. ELECTRIC MECHANISM

Thread

• Thread trimming is not performed. (There is no error display.)

• Tension release does not operate. (There is no error display.)

• Error E690 is displayed.

trimmer

mechanism

Problem

Connector No. and position

PMD

P6

I

chread

solenoid

PMD

P7

I

(Tension release

solenoid

Main

P.C.

board PMD

I P12 TPK-SEN I

P.C.

SOL

I

trimme_J

P.C.

SOL2

I

board

1

I

board

I

P4 BT_PICK J

I

P.C.

board

4713Q

4714Q

,-,...

Sew1ng operation

Problem

• The power indicator is not illuminated, and nothing operates.

• Machine operation is unstable.

• Error E403 is displayed when the power is turned on, and
nothing operates.

I

Thread nipper Thread nipper

sensor

Connector

Power supply motor

pg

ACIN

No.

P8

ACOUT

pulse motor

and position

P.C.

board

P11

TRANSL

~

Power supply Conversion \

switch

Power supply motor

P.C.

board

P10

TRANS H

I

I

transformer)

t-­t--

p

2

POWER21

II

P6

MAIN

~

1 P14

I M_MOTOR

Main

P.C.

PMDP.C

board

P1

MAIN

4715Q

board

4716Q

Conversion
transformer

90

KE-430D, BE-438D

Main

P.C.

board

4717Q

Others

Problem

9. ELECTRIC MECHANISM

Connector No. and position

• The DC fan motor does not run.

• Error E740 is displayed.

• Indication is strange.

• The power indicator is not illuminated.

•

Any operation panel key does not have any effect.

• The sewing machine does not operate when the foot switch is
depressed. (No error display)

Main

P.C.

board

I P18 FAN I

Jl

DC fan motor

Main P.C. board

I P6 PANEL I

:

II

I CN2 MAIN I

Panel PCB

Main

P.C.

board

4718Q

:

4719Q

• Error E055 is displayed after the power is tumed on.

• Error E452 is displayed after the power is tumed on.

I P5 FOOT I

~F~IJ_;

4720Q

Main P.C. board

I P8 HEAD-8W I

II

Machine head

switch

4721Q

supply

motor

P.C.

Power

I

P4HEAD

board

I

KE-4300, BE-4380

II

Machine head

memory

4722Q

91

10. TABLE OF ERROR CODES

10. TABLE OF ERROR CODES

A DANGER

Wait at least 5 minutes after turning off the power switch and disconnecting the power cord from the wall outlet
before

~~ening

InJUry.

severe

If a malfunction should occur with the sewing machine, a buzzer will sound and an error code will appear in the display
window. Follow the remedy procedure to eliminate the cause

Switch-related errors

Code

E025
E035

EOSO

E0

E0

E065

Foot switch is depressed
Tum off the power and check the foot switch.
Foot switch is depressed
Turn off the power and check the foot switch.
Machine head tilting was detected after the power was turned on.
Turn off the power, and then return the machine head to its original position.
Check that connector P8
Machine head tilting was detected while the sewing machine was operating.

51

Turn off the power, and then check that connector P8 on the main
Machine head tilting was detected after the power was turned on.

55

Turn off the power, and then return the machine head to its original position.
Check that connector P8
A switch on the operation panel was being pressed down when the power
Tum off the power and check the operation

the face plate

to
to

on

on

of

the control box. Touching areas where high voltages are present can result in

of

the problem.

Cause and remedy

the 2nd step.

the 1st step.

the main

the main

P.C.

board is properly connected.

P.C.

board is properly connected.

Qanel.

P.C.

board is properly connected.

was

turned on,

or

a switch is faulty.

~·

Upper

shaft

motor-related errors

Code Cause and remedy

E100

E110
E120
E121

E130

E150

Feed mechanism-related errors

Code

E200

E201
E202

E210

E211

Sewing machine has continued to be used for a certain period after the "GREASEUP• notification appears
without the grease being applied (without the reset procedure being carried out).
Apply grease and then carry out the reset procedure.
Needle up stop position error.
Tum the pulley to align the index mark with the needle up stop position.
Needle down signal cannot be verified.

off

Tum
Thread trimming was not completed.
Tum off the power, and then check if the cutting edges

Problem with machine motor stopping,
Tum off the power, and then tum the machine pulley to check

Check that connectors P4 and P5 on the power supply motor

Sewing machine motor has overheated
Turn off the power, and then check the machine motor.
(When sewing data with a small number
operation), the upper shaft motor may overheat and the

X feed motor home position cannot be detected. Problem with X feed motor
connection.
Tum off the power, and then check that connector
P.C.
X feed motor stopped abnormally.
Tum off the power and check that there is no problem with the X feed direction.
Problem with X feed motor or Y feed motor home position adjustment data.
Re-adiust the home position.
Y feed motor home position cannot be detected. Problem with Y feed motor
connection.
Tum off the power, and then check that connector P8 on the PMD
board are properly connected.
Y feed motor stopped abnormally.
Tum

the power, and then check the synchronizer connection.

of

or

synchronizer connection error.

or

temperature sensor malfunction.

of

stitches (15 stitches

Cause and remedy

board are properly connected.

off

the power and check that there is no

P10 on the PMD

p_roblem

with the Y feed direction.

the fixed knife and movable knife are damaged

"E 150" error code

if

the machine has locked up.

P.C.

board are properly connected.

or

less) is sewn repeatedly (short cycle

may

be generated.)

or

poor X home position sensor

P.C.

board and connector P2 on the main

or

poor Y home position sensor

P.C.

board and connector P3 on the main

or

worn.

P.C.

92

KE-430D, BE-438D

Work clamp-related errors

Code

clamp home position cannot be detected. Problem with work clamp motor

Work

E300

E301
E303

position sensor connection.
Turn

off
board are properly connected.
Work clamp
Tum off the power, and check that there is no
Problem
Re-adjust the home position.

the power, and then check that connector P3 on the PMD

raised

or

lowered position cannot be detected.

with work clamp motor home position adjustment data.

Communication and memory-related errors

Code
E401

E403 Tum

E410

E411

E413
E420 CF card are
E421

E422
E424
E425
E426
E430
E440
E450
E451
E452

E474

Connection communication error with power

Tum off the power, and then check that connector P6 on the power supply motor

on the main
Connection error with

P.C.

board are proRerly connected.

Communication error with main

Tum off the power and then back on again.

Communication error with power supply motor

Tum off the power and then back on again.

Check
Communication error with

Tum off the power and then back on again.

Invalid program number
Chanqe the proqram number.
Error occurred
Check the CF card data.
No free space on
Use a different
Error occurred
Use the specified
RIW key has not been pressed.
Press the RIW key to read the data.
Data cannot be backed up

Tum off the power and then back on again.

Data memory error on main

Tum off the power and then back on again.

Model selection

Tum off the power and check that connector

Data cannot be backed up to machine head memory.

Tum off the power and then back on again.

Machine head memory is not connected.

Tum off the power and check that connector

Internal memory is full and copying is not possible.
Clear the sewing data,
memory when sewing data

P.C.

board are properly connected.

PMD

P.

C. board detected when power was turned on.

off

the power, and then check that connector

P.

if

the fuse F4 is blown

not

inserted.

while reading the CF card.

CF

card.

CF

card.

while writing to the CF card.

_tyJ)_e

has not been loaded from the machine head memory.

or

not.

PMD

P.

or

no data.

of

CF card.

to

main

P.C.

board.

or

use settings (memory switch No. 466 = ON) that do not copy the data to internal
is

read.

problem with the vertical work clamp position.

supply motor

C.

board detected.

C.

board detected.

P.C.

board.

P3 on the power supply motor

P3 on the power supply motor

Cause and remedy

Cause

and remedy

P.

C.

board detected when power was turned on.

P1

on the PMD

P.

C. board detected.

10. TABLE OF ERROR CODES

or

poor work clamp home

P.C.

board and connector P4 on the main

P.C.

board and connector P14

P.C.

board and connector P13 on the main

P.C.

board is properly connected.

P.C.

board is properly connected.

P.C.

KE-4300,

BE-4380

93