Toyota ESP9000 User manual

SERVICE MANUAL

Embroidery Machine

ESP9000

(15 needles)

Ｈｏｗ to ＵｓｅｔｈｉｓＳｅｒｖｉｃｅＭａｎｕ

ａｌ

1．This service manual applies to the ESP9000.

Model names are indicated only for sections equipped with each model.

2．Refer to the section on TROUBLESHOOTING first.

Trouble often results from two or more causes. The TROUBLESHOOTING

section indicates the correct order and method of troubleshooting. When

need arises to repair the embroidery machine in reference to this Service

Manual, refer to TROUBLESHOOTING first. Then, refer to ADJUSTMENT or

REPLACEMENT as suggested.

3．Only the critical instructions are given.

When a component must be removed for troubleshooting, adjustment or

replacement, the Service manual explains how to remove other components

before the component in question can be removed.

However, the manual does not explain how the other components are fitted,

unless such information is necessary for technical reasons, when adjustment

or replacement is completed.

Ｉｎｓｐｅｃｔｉｏｎ & Repairs

1．When parts need to be replaced, use only parts certified by Aishin Seiki Co.,

Ltd., to ensure machine performance.

2．To prevent any accident from occurring, be sure to turn the power OFF

before repair.

CONTENTS

１．

SPECIFICATIONS

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

.....................1

２．

TROUBLESHOOTING

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

.......................2

2-1 The power supply does not turn

on........................................................................................2

2-2 An error message is displayed ”Check ! SEWING

MOTOR”........................................3

2-3 An error message is displayed “Check ! X

MOTOR”......................................................4

2-4 An error message is displayed ” Check ! Y

MOTOR”.....................................................5

2-5 An error message is displayed ”NEEDLE CASE

ERROR” ............................................6

2-6 Holder does not return to stroke center after home position

return......................7

2-7 Thread comes off

needle.............................................................................................................8

2-8 Skips

stitches..................................................................................................................................

..9

2-9 Needle thread

breaks...................................................................................................................10

2-10 Bobbin thread

breaks...................................................................................................................12

2-11 Needle

breaks..................................................................................................................................1

2-12 Thread wiper hook does not

operate....................................................................................14

2-13 Thread trimming

fails....................................................................................................................15

2-14

Puckering...............................................................................................................................

............16

2-15 Improper

tension............................................................................................................................17

2-16 Jump function does not

work...................................................................................................18

2-17 An error message is displayed “THREAD

BREAK” .......................................................19

2-18 Stitch registration slips

out.......................................................................................................20

３．ＡＤＪＵＳＴＭＥＮＴＯＦＭＡＩＮＣＯＭＰＯＮＥＮ

ＴＳ

..................................21

3-1 Timing of the needle and the rotary

hook...........................................................................21

3-2 Position of the hook

support....................................................................................................23

3-3 Standby position of thread

catcher.......................................................................................24

3-4 Blade

pressure................................................................................................................................

3-5 Picker

position................................................................................................................................2

3-6 Position of the thread wiper

hook..........................................................................................28

3-7 Adjustment of the jump motor

position...............................................................................29

3-8 Tension of drive belts A &

C....................................................................................................30

3-9 Tension of deceleration belts B, D,

E...................................................................................31

3-10 Limit

sensor....................................................................................................................................

..32

3-11 Thread

sensor.................................................................................................................................3

3-12 Power

box.........................................................................................................................................

４．ＲＥＰＬＡＣＥＭＥＮＴＯＦＭＡＩＮＣＯＭＰＯＮ

ＥＮＴＳ

..........................36

4-1 Rotary

hook.......................................................................................................................................

4-2 Thread

cutter...................................................................................................................................3

4-3 Thread

catcher................................................................................................................................3

4-4 Needle

bar.........................................................................................................................................

.39

4-5 Needle bar

reciprocator...............................................................................................................41

4-6 Thread change

motor...................................................................................................................43

4-7 Power supply

board.......................................................................................................................44

4-8 Power circuit

board........................................................................................................................45

4-9 Jump

motor.....................................................................................................................................

..46

4-10 Main circuit

board...........................................................................................................................47

4-11 Operation box

assembly...............................................................................................................48

4-12 Upper shaft

sensor.........................................................................................................................49

4-13 Sewing machine

motor..................................................................................................................50

4-14 X

motor.....................................................................................................................................

...........51

4-15 Y

motor.....................................................................................................................................

...........52

4-16 Thread wiper

motor........................................................................................................................53

4-17 Thread

sensor...................................................................................................................................

4-18 Operation control circuit

board................................................................................................55

Table of contents

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