Brother T-8452B User Manual

T-8452B

PARTS

BOOK

2

TWIN

WITH

NEEDLE

THREAD

h

DIRECT

TRIMMER

DRIVE

SPLIT

NEEDLE

5i»

BAR

LOCK

STITCHER

brother.

SlfTC/5BPmitn$Sli

The

latest

parts

Parts

Navigation

information,

refer

to

V

the

Parts

Navigation,

http://partsbool<.brother.co.jp/partsnavi/jpn/

http://partsbook.brother.co.jp/partsnavi/eng/

BROTHER

INDUSTRIES,

T-8452B-40

LTD.

1

—
—

3:
5:

Description

of

modei

plate

BROTHER

INDUSTRIES,

84528-40

LTD.

3:

Medium-weight

5:

Heavy-weight

materials

materials

1.

2.

aifpli^^'£cL(c|£ff^M$tL^ig^;&<fey^-ro

3.

2006^11

^

i

A.

B.

c.

D.

E.w^m

H.

jiiy$4gnj^

Ki.

K2.

L

Tmmm

M.

N.

P.

Q.

^^yn^

R.

^mubmm

m

1

3

5

9

11

—

13

15

17

19

21

25

-

27

29

33

35

37

39

s.

Ti.

=i>hD-ju7f:'>^x,

T2.

a>hD-;U7t?-y<7X||^

u.

V.

W.

Z1.

MMpp^M

Z2.

-(^JSa^pll^

Wa.

Sp.

tt^SJSPp^p-^^

Gal.

y—

-

41

43

45

47

49

51

53

55

57

58

59

63

1.

This

2.

Parts

3.

Parts

book

was

are

subject

supplied

A.

B.

C.
D.

E.

F.

G.

H.

J.

Notes

prepared

to

changes

as

complete

Machine

Upper

shaft

Needle
Needle

Presser

Feed

Quick

Feed

Gauge

bar
bar

foot

mechanism

reverse

shaft

parts

for

based

on

information

in

design

assemblies

body

mechanism

rocking

flip-up

mechanism

mechanism

mechanism

using

without

are

circled

CONTENTS

mechanism

mechanism

this

available

prior

in

notice.

by a dotted

parts

book

November

line.

2006.

1

3

5
9

11

13

15

17

19

K1.

Rotary

K2.

Rotary

L

Lower

M.

Lubrication

N.

Threading

P.

Bobbin

Q.

Thread

R.

Tension

S.

Thread

T1.

Control

T2.

Control

U.

Quick

V.

Power

W.

Presser

Z1.

Accessories

Z2.

Accessories

Wa.

Warning

hook

mechanism

hook

mechanism

shaft

mechanism

mechanism

winder

trimmer

release

wiper

box

and

box

mechanism

reverse

supply

foot

lifting

labels

mechanism

mechanism

mechanism

mechanism

motor

mechanism

switch

mechanism

equipment

mechanism

solenoid

set

mechanism

(Option

parts)....

21
25

27

29

33

35

37

39

41

43

45

47

49

51

53

55

57

Sp.

Different

Gal.

Gauge

Index

parts

parts

list

list

58

59

63

A.

/

Machine

12

body

#—10

11

T

T-8452B-050

A

.

ref.no

1

2

3

4
5

6

7

8

9

10
11
12

13
14
15

16

17
18

19

20
21

22
23

24

24

/

Machine

CODE

140063001

SA3924001
SA4364101

104449001

062501416

SA2441001
062501216

SA2442101

062501416
062501016
SA4370101
062500616
SA2444101

SA2445101
SA2447001

SA2479001

SA2449001

SA2479001
S36663051

S34438051

116010001

SA2929001
S37060001

SA2040001

SA2041001

body

QTY

zfAiz>15.5

:^^H5X14

■f^zi5X12

-^-KziSXH
d-^zi5X10

d-^=)5X6

■9-7^-i/3.18X4

=fA-b>12.5
7-7^-^-0

1^

DOWEL

PIN
POSITIONING
FACE

RUBBER

SCREW
REAR

SCREWPANM5X12
MOTOR

SCREW

SCREW

DUST

SCREW

BED

LEG

BED

LED

SLIDE

BOBBIN

SLIDE

BOBBIN
SLIDE

SCREW.
SET

SCREW.
RUBBER
LABEL.

<

Except

LABEL.

<

For

China

LABEL.

PIN

PLATE

CAP.

15.5

PAN

M5X14

COVER

COVER

PAN

M5X14

PAN

M5X10

PROTECTOR

PAN

M5X6

L
S

PLATE.

LA

WINDOW

PLATE

ASSY.

WINDOW

PLATE F ASSY

FLAT

SM3.1840X4

SM5.1640X4

CAP.

12.5

GROUNDING

for

China

CAUTION

only

CAUTION

NAME

ASSY

R

>

JPN/ENG

>

CHN/ENG

OF

PARTS

RM

25

062500816

i-^zj5X8

SCREW

PAN

M5X8

T-8452B-050

B

.

Upper

shaft

mechanism

f—27

T-8452B-109

B.

REF.NO

1
2
3

4

5
6

7
8
9
10

11

12

13

14
15
16
17

18
19

20

21
22

23

24
25
26

27
28
29
30
31
32
33

/

Upper

CODE

SA4551001

SA4373001

S25234001

S38707001
SA6166001

117006001

113014000
S25260001
SA1120001
S23651001
S25235001
S25236001
SA2861101
SA2935101

SI3160001

SA2460001

838710001

823651001
8A2461001

838713100

062403512

028040242

025040232
8A2463001

012061036
8A2469001

062500816
8A4537001
8A4376101
8A3065001
8A3059101

062500816
8A2462001

shaft

mechanism

QTY

1

1
1

^■7v<7'^^6004ZZ

^■7i;<7't7^6004ZZNR

1
1
1
1

2

1

2

T:^t76X67tNV^

1
1

T-^t^exiGThvpt

1
1

x>t*>S3-L<75

1

1

^■7v^':7'!7-6204ZZNR

1

4

y-^-txexeThv^

1
1

yT>

-fK=i4X35

3
3

3

1

2

Ti-ii'pexio

1

2

-^^ZI5X8

1
1
1
1
1

:^^ZI5X8

1

Zf—iJUy'p^iy

DO

UPPER

SHAFT.

DD

THREAD

BALL

BALL

CRANKSHAFT

WICK.

PUSHER

SET

BOBBIN

SET

SCREW

SET

THREAD

THREAD
T-TAKE-UP

PRESSER

BALL

SET

TIMING

FAN

SCREW

WASHER

WASHER

TIMING

SET

THREAD

SCREW
DUST
SHELTER
FELT

HOLDER.

SCREW
PULLEY U FLANGE

TAKE-UP

BEARING.

BEARING.

L=60

SCREW

WINDER

SCREW

MB

SCREW

TAKE-UP

TAKE-UP

SLIDE

ADJUSTING

BEARING.

SCREW

PULLEY.

PAN

SPRING

PLAIN M 4

BELT

SCREW

TAKE-UP

PAN

COVER

PLATE

SHELTER

PAN

SOCKET

SOCKET
SOCKET

SOCKET

M4X35

SOCKET

M5X8

M5X8

NAME

OF

CRANK

6004ZZ

6004ZZNR

(FT)

DRIVING

(FT)
(FT)

S-SHAFT

LEVER

BLOCK

UNIT

6204ZZNR

(FT)

UDD

2-4

(FT)

LEVER

PLATE

PARTS

M6X5

WHEEL

M6X6
M6X10

UNIT

ASSY.

ASSY.

M6X6

M6X10

COVER

RM

S3-L

2

T-8452B-109

C

.

Needle

bar

rocking

mechanism

33

51—^

35

22

32

41

29

37

38

f

59-(n^)

60—=^

20

46

53

45

9—lif—9

T-8452B-115

C.

ref.no

1

2
3
4
5

6

7
7

7

7

8

9

10

11

12

13

14
15

16

17 149610001

18

19
20
21
22

CODE

SA8738001

SA8740001
SA2474201

018401036

SA4382001
SA4385001

SA4387001
SA4387002

SA4387003

SA8749001

149604001

149605001

149827001
S34561101
S34562101

149608001

112609001

SA4391001

062260316

149611101

SA4392001

062260516

SA4389101

SA4395001

/

Needle

Q'TY

2

2

2

2

2

bar

1
1
1

1

1

1

1

1
1

tf

>1.5X5.8

tf

>2X15.8

1

1
1

tf

>2X17.8

1

1

■f^326X3

'J'J-Xlf>

1

1

1
1

:h'<=l26X5

2

1

rocking

mechanism

NEEDLE

NEEDLE

SLIDE

BLOCK

BOLT

SOCKET

NEEDLE
NEEDLE

Need

check

NEEDLE

NEEDLE

NEEDLE

NEEDLE

PIN.

1.5X5.8
SPRING.
PIN.

2X15.8

CLUTCH

CLUTCH

PIN.

2X17.8

SPRING
SPRING

SCREW
PIN

SPRING.

PIN

COVER

SCREW

CLUTCH

SLIDE

BLOCK

BAR

ROCKER

BAR

BASE

SLIDER

M4X10

BAR

ASSY

BAR

ASSY

the

"Mark"

BAR

CLAMP

BAR

CLAMP

BAR

CLAMP

BAR

CLAMP

CLUTCH

STOPPER

STOPPER

HOLDER

PAN

M2.6X3

RELEASE

PAN

M2.6X5

LEVER

ASSY

GUIDE

NAME

OF

SHAFT

ASSY

L
R

the

following

ASSY

ASSY

ASSY

ASSY

LEVER

L

R

PIN

PLATE

PARTS

UNIT

parts

<Mark

<Mark

<Mark

<Mark

t)efore

ordering.

A>

B>

C>

Z>

RM

Need

check

the

"Mark"

the

following

parts

before

ordering.

23
23
23
23

23

23
23
23

23

23

23

23

24
25
26
27
28

29

30

31
32

33
34
35

36
37
38

39
40

S07575000

S07575001

S07575002
S07575003
S07575004
S07575005
S07575006
S07575007
S07575008
S07575009
S07575010
S07575011

SA4583001

149622001

SA4396001

060350616

SA4397001

SA4398001

060350616

SA4399001

062350816

112728001

SA4393101
SA4394001
SA4401001

062350516

SA4400001

107155001

SA5155001

1
1

X'<'J=l<75

1

X'<'Ju<75

1

1

1
1

X^'Jzi<75

1

X/<'J=l<7S

1

XKiJzi<75

1

1

1

;X^iJzj<75

2

2

/\'j7t5't7Xh'>/<-/

1

/<'<>K35X6

1

2

/\'j7K0V9'Jh/

i/.?«:r«>i^3.5

2

2

/<-r>K35X6

2

■^^335X8

2
1
1
1

:7x;uh:i-<txD

1

-^-^1335X5

2

1

7XJUh

2

>x;Uh

>XjUh-9"tf-x

1

<lfi-^25>
<l5-^30>
<IB-^35>
<l5-^40>

<15-^45
<tB-^50>
<tB-^55>

<IB-^60>

<IB-^65>

<|B^70>

<IB^75>

<tB^80>

SLIDE

BLOCK

ASSY.

25

<Mark

25>

SLIDE

BLOCK

ASSY.

30

<Mark

30>

SLIDE

BLOCK

ASSY.

35

<Mark

35>

SLIDE

BLOCK

ASSY.

40

<Mark

40>

>

SLIDE

BLOCK

SLIDE

BLOCK

SLIDE

BLOCK

SLIDE

BLOCK

SLIDE

BLOCK

SLIDE

BLOCK

SLIDE

BLOCK

SLIDE

BLOCK

STOPPER.
SPRING.

SPRING
SCREW

ROTATE
SCREW.

SCREW

N-BAR

COVER
BIND

STOPPER.
SM3.5

BIND

WASHER.

SCREW

PAN

WICK.

L=50

CRANK

ROD.

SLIDE

BLOCK

FELT

SUPPORT.

SCREW

PAN

FELT

FELT
FELT

SUPPORT

ASSY.
ASSY.
ASSY.
ASSY.
ASSY.
ASSY.
ASSY.
ASSY.

N-BAR

M3.5X6

M3.5X6

PLANE

M3.5X8

N-BAR

M3.5X5

45

<Mark

50

<Mark

55

<Mark

60

<Mark

65

<Mark

70

<Mark

75

<Mark

80

<Mark

STOPPER

N-BAR

D

45>
50>
55>
60>
65>
70>
75>
80>

T-8452B-115

C

.

Needle

bar

rocking

mechanism

33

51

35

22

32

60

f 20

ffi

L

%

46

45

T-8452B-115

C.

REF.no

41
42

43

44

45

46

47
48

49

50
51

52
53

54
55

56

57
58

59
60
61

62

code

SA5237101

062350516

014080831

154567000

SA2485001

S25260001

SA2486101

062061616
SA2489001

018062032

118735002

SA2490101

S23460001

SA4117001

012060636

SA4118001

018062532

SA2493001

SA2494001

018062032

SA5332001

S48204000

/

Needle

Q'TY

bar

rocking

^-^□35X5

Td-<77t^58X8

7-ft76X57kV-?«

d-^=l6X16

7d-7t?;Uh6X20

:f^36X5

Td-t76X6

7d-7|?JUF6X25

7'-^7KJUh6X20

<75t^4X4

mechanism

FELT
SCREW

PAN

M3.5X5

SET

SCREW

SOCKET

SPACER.

SET

SET

BUSH.

SCREWPANM6X16

NEEDLE

BOLT

WASHER

ROCKER
SCREW

LINK

SET

ZIGZAG

BOLT

WASHER.

NEEDLE
BOLT
BUSHL

WICK.

5.3

SCREW

SCREW

R

BAR

SOCKET

LINK

PAN

SHAFT.

SCREW

LINK

SOCKET

PLAIN

BAR

SOCKET

4X4

L=150

COLLAR

SOCKET

ROCKER

N-BAR

M6X5

N-BAR

SOCKET

BUSH.

ROCK

NAME

M6X20

M6X25

M6X20

OF

(CP)

M8X8

(FT)

M6X5

LEVER

ROCKER

(FT)

M6X6

P

ARM

PARTS

P

RM

T-8452B-115

D.

/

Needle

bar

flip-up

mechanism

20

21

T-8452B-122

D.

REF.NO

1

2

3

4

5

6

7
8

9

10
11

12

13
14

15

15

CODE

SA4402001

104833001

SA5336001

062501016
SA4404001
SA4441001

SA4405001
062350516

SA5333001

SA4406001

047301842

SA4408001

SA4409001

SA4411101

SI8964001

SA4419001

/

Needle

QTY

1

2

zfAi2>4.3

1

:^^35X10

2

1
2
1

■f^=l35X5

2

1

1

1

X^U>^*lf>AW3

1

1

1

1

<^m^>

1

bar

flip-up

na^

mechanism

INDICATION

RUBBER

HOLDER

SCREW

PUSH

SHOULDER
PLATE.

SCREW

SPRING
STOP
PIN

SPRING

STUD.
STUD.

FLIP-UP

CAP.

PLATE

PAN

LEVER

PUSH

PAN

LEVER

L
S

HOLDER

PLATE

4.3

COVER

M5X10

SCREW.

LEVER

M3.5X5

SHAFT

ROLL

<ExceptforChtna>

LABEL

<For

China

only>

LABEL

NAME

ASSY

M4

ASSY

AW3

PLATE

OF

PARTS

RM

16

17

18
19
20

21
22
23
24
25
26
27
28

29
30

31

062500816

SA4412001

150820001

071063550

SA4413001

062501416

SA5588001
SA4414001
SA4415001

062500816
807588101

SA4416001

149863001

SA4417001

014400432

SA4418001

2

-f^=i5X8

1
1
1

zi'^4rX'^1/4

1

1

■^■^=15X14

1

2

1

2

:f-^=l5X8

1
1

2

3

7-^-^71^54X4

5

1

SCREW

PAN

BALL

GUIDE

SPRING

BEARING

ARM

LEVER

SCREW

PAN

SHOULDER

SPRING

SLIDE

SHAFT

SCREW

PAN

SLIDE

SHAFT

SUPPORT
SPRING.

SET

SET

GUIDE

PLATE

SCREW

SCREW

SCREW

M5X8

BUSH

BALL.

SHAFT

M5X14

SCREW

BRACKET

M5X8

PLATE.

COLLAR

SOCKET

1/4

SLIDE

M4

(CP)

SHAFT

M4X4

T-8452B-122

10

E

.

Presserfoot

mechanism

O

9—^

5

O

0

2-W

32

35

12

11

<

:t7-> 3 >aJa I Option

11

parts

>

T-8452B-201

E.

ref.no

1

2

3

4

5

6

7

8

9
10

11

12

13
14
15

16

17
18

19

20

21
22

23

24

25

26
27
28
29

30
31

32

33
34
35
36

/

Presser

CODE

SA2495001

062500816

SA1174001
SA1175001
SA7607001

S07346101

SA2496001

SA2498001

S25289001
SA2499001

S31006001

839051001
807351001

807529001
048030342

8A2677001

012061832

021060306
8A2500001
8A2501001

8A2502001

8A1179001

807349001

8A2504001

012500536

807355051

062501216

021500106
8A2506001

8A2507001
8A1179001
8A2165001

8A1179001

8A4149101

021060306

807350001

foot

QTY

2

2

mechanism

1
1

■f^=l5X8

1

1
1
1

:t-9-x/^4'>

^-y-X/K'^

1
1
1

7t?JUh6

1
1
1

:f^if^535X12

1
1

2

hpf7E3

1

1

7:^t76X18

1

3vx-f»:/h6

1
1
1

1

^•tfxy

1
1

T-:ft75X5

1

■f^=i5X12

1
1
1
1
1

1

1
1

3i/x-^-':/F6

1

NAME

OF

PRESSER

SCREW

PAN

PESSER

ADJUST
SPRING

SCREW
GUIDE

PRESSER

PRESSER

GUIDE

BRACKET,

BAR

BUSH

M5X8

ADJUSTING

NUT

BAR

SPRING,-5

BAR

P-BAR

PARTS

SCREW,

M14

RM

BOLT(CP)M6X10

PRESSER

LIFTING

SCREW

TENSION
T-RELEASE
RETAINING
TENSION

SET

NUT3M6
KNEE
PRESSER

KNEE

SHOULDER

y

i^/

v-C?

P-BAR
SET

SET

SPRING.

SCREW

NUT, 1 M5

KNEE
KNEE

SHOULDER
SHOULDER

SHOULDER

ADJUSTING
NUT3M6

WASHER,

BAR

LEVER

PAN

RELEASE

CONNECTING
RING

RELEASE

SCREW,

LIFTER

BAR

LIFTER

SCREW,

LIFTING

SCREW

COLLAR

SCREW

SOCKET

EXTENSION

PAN

LIFTER
LIFTER

SCREW,
SCREW,
SCREW,

SCREW

PLAIN

LIFTING

CRANK

(Sff'W)M3.5X12

PLATE

ASSY

ROD

E3

WIRE

SOCKET

C-ROD

CONNECTING

M5X12

LEVER
BAR

LIFTING

MS

LEVER

MS
M6
MS

6

(FT)

ASSY

LEVER

SHAFT

(FT)

M6X18

ROD

M5X5

ASSY

37
38

39

40

41

T-8452B-201

810780001

807529001

048030342
8A2677001
8A2578001

1

1

M'7E3

2

1

;i-9-x7yU/<-

1

<Option

TENSION

T-RELEASE

TENSION

PRESSER

parts>

RETAINING

RELEASE

CONNECTING

RING

E3

RELEASE

BAR

LIFTING

PLATE

WIRE

LEVER

ASSY

ROD

ASSY

12

F . jHU

nil / Feed

mechanism

I

I

1

m

m

i

T-8452B-202

F.

REF.NO

1
2
3

4
5

6

7

8

9

10
11
12

13

14

15
16

17

18

19

20

21

22

23

24

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26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

43

44

45

46

47

48

49

50

51

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/

Feed

CODE

SA2509001
SA2511001

062501016
SA2512001
SA2515001
SA2516001

062060816

143611201

143612100
118954000

SA2518001

SA2585001

S25236001

SA2521001

018062032

143613051

143616001

048060342

S38427001

SA3056001

142746122
129458202
108549001

S50098101

100328001
SA2523001
S39830101

SA2525001
016061031

SA2526001
SA2527001
012060636
SA2528101
SA2529101

048080342

025100132
SA2530001
S07374109
SA2531001
SA2541001

SA6592001

104821001

062500816

SA2532001

062501216

025050236

S07376001

SA2533001

062060816

062501216

021500106

mechanism

QTY

1
2
4

:^^Z15X10

1

3

1

4rg^x4rh^

1

■^■^=16X8

1

1

x-K;u/<7«j><7*

1

1

1

7:FF^*'J6Xi07hV^

1

7-ft76X107hV^

1

1

7-f7t^JUh6X20

1

1

2

hpt9E6

1

1

1

1

i/yt'-i?4.76

1

o'j>y

1

1

1

1

1

2

7d-F^*'J6X10

4rU^x:^U>^>

1

1

1

T-^t^exe

1

1

1

hpt^EB

1

1

1

1

1

^xb7>rb/w^

1

□

AirbiaS

1

■f^nsxs

2

1

1

■f

^=15X12

1

1

1

1

:^^=I6X8

1

■^■^35X12

1

Ibx-f'yh5

FEED

REGULATOR

GUIDE

PLATE

SCREW

STOPEER

PAN

SLIDE

BLOCK

FELT

SCREW

PAN

F-ROCKER

FEED

ROCKER

NEEDLE

LEVEL

SET

SET

FEED
BOLT
LINK

SHAFT

RETAINING

STITCH

FEED
FEED
SCREW
ORING
POSITIONING
NOTCH
DIAL
SPRING
FEED

SET

CONNECTING
ECCENTRIC

SET

SHOULDER

SHAFT,

RETAINING
WASHER
SPACER
REVERSE
SPRING
REVERSE

SCREW

RUBBER

SCREW

STOPPER

BEARING

FEED

SCREW,

SCREW

ROCKER
SOCKET

LENGTH

REGULATING
REGULATING

SM4.76

SPRING

LOCK

REGULATORS

SCREW

SCREW

R-LEVERTR

PLAINS

STITCHING

STITCHING

MS

CAP,

PAN

M5X10

ASSY

M6X8

CONNECTING

ECCENTRIC

SOCKET

SOCKET

M6X20

RING

PIN

LEVER

SOCKET

ROD

SHAFT

SOCKET

SCREW

RING

10.S

MSX8

SCREWPANMSX12

WASHER

FEED
SPRING
SCREW
SCREWPANMSX12
NUT 1 MS

PLAIN

REGULATOR

HOOK

PAN

M6X8

NAME

OF

ASSY

ROD

CONNECTING

WHEEL

(FT)

M6

(FT)

M6X10

ARM

5

E6

DIAL,

5

STUD
SUPPORTER

(CN)

M6X10

(FT)

M6X6

M6

E8

10

LEVER

LEVER

MS

SPRING

PARTS

ASSY

ROD

PLATE

RM

5

T-8452B-202

14

G

.

/

Quick

reverse

mechanism

15

T-8452B-206

G

.

ref.no

1
2
3

4

5

6

7
8
9

10

11

12

13
14
15
16

17
18

19

/

Quick

CODE

SA3072001

154729001

154730001

154731000
SA2535101
062500812
062061016
SA2992001
048060142

153138001

SA2536001

SA2540001

016061031
SA2992001

012060636

SA2539001
018062032

149095001

153132000

reverse

Q'TY

h^^EIS

■f^ziSXB

■f/^ziexio

vuy'fKu/<-<75

Ti-h:^''J6X10

T-ft76X6

vuy-rKu/<-v<7

7-f?t<JUF6X20

mechanism

QUICK

REVERSE

PLUNGER
RETAINING

RUBBER

SOLENOID
SCREW
SCREW

PIN

RETAINING

STOPPER

PAN
PAN

WASHER.

SOLENOID

QUICK

REVERSE

SET

SCREW

PIN

SET

SCREW

SOLENOID
BOLT

SOCKET

WASHER.

NYLON

TUBE.

RING

BRACKET

M5X8
M6X10

RING

PLAIN

LEVER

SOCKET
SOCKET

LEVER

M6X20

PLAINS

L=13.5

NAME

OF

SOLENOID

E15

EXTERNAL

6.5

ASSY

LEVER

(CN)
(FT)

SHAFT

PARTS

ASSY

C6

M6X10

M6X6

RM

T-8452B-205

16

H . 3^y

/

Feed

shaft

mechanism

'^^28

17

T-8452B-211