Toyota ESP9000 User manual

SERVICE MANUAL
Embroidery Machine
ESP9000
(15 needles)

Ｈｏｗ to Ｕｓｅ ｔｈｉｓ Ｓｅｒｖｉｃｅ Ｍａｎｕ
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
3
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．ＡＤＪＵＳＴＭＥＮＴ ＯＦ ＭＡＩＮ ＣＯＭＰＯＮＥＮ
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................................................................................................................................
25
3-5 Picker
position................................................................................................................................2
7
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
4
3-12 Power
box.........................................................................................................................................
35
４．ＲＥＰＬＡＣＥＭＥＮＴ ＯＦ ＭＡＩＮ ＣＯＭＰＯＮ
ＥＮＴＳ ..........................36
4-1 Rotary
hook.......................................................................................................................................
36
4-2 Thread

cutter...................................................................................................................................3
7
4-3 Thread
catcher................................................................................................................................3
8
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...................................................................................................................................
54
4-18 Operation control circuit
board................................................................................................55