Brother T-8722C User Manual

T-8722C

PARTS

BOOK

2

TWIN

AND

NEEDLE

THREAD

h K7'r:?;^ggi!i^5:^y

DIRECT

TRIMMER

DRIVE

LOCK

5-»

STITCHER

WITH

LARGE

HOOK

brother.

Parts

Navigation

The

latest

parts

information,

refer

to

"V.

the

Parts

Navigation,

(t^'f o http://partsbook.brother.co.jp/partsnavi/jpn/

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

BROTHER

INDUSTRIES,

T-8722C-40

LTD.

li

1

—

7:

mm

Description

of

model

piate

BROTHER

INDUSTRIES,

T-8722C-40

LTD.

]

—

5:

Heavy-weight

—

7:

Heavy-weight

(For

materials

extra-thick

thread)

1.

4.

-1'7XhIt3r'3&^(REF.No)^c"+"A<ol^Tl^^g|5la^i.

2010^5^

tt

^iw^fcyM^cy^-Tc

'Mh^#MLr<f£$t>o

s

A.

i

B.

±nm%

1

3

C.

D.

E.

mmm

G.mmm

H.

>f-v||^

J1.

J2.

K.

T^mm

L

M.

^MLmm

N.

mmw.

p.

^v^ygi^

Q.

R.

51.

zil/PP—

52.

P>hP—;U7K':/<7Xgi^

m

11

is

15

17

21

23

25

29

31

33

37

39

41

43

5

7

9

53.

P>hP—;U7|?'v^^gl^v

T.

U.

1^q°pg|^

V.

HKff^±(f-b'yhgg^(:f:fv3>aJq°q)

Z1.

Ml^pqgl^

Z2.

'f^^qqgm^

Wa.

sp. Ga.

y*-va5q°q-Jia

.—

-

45

47

49 51

53 55

57

59

60

63

1.

This

2.

Parts

3.

Parts

4

The

on

book

was

prepared

are

subject

supplied

part

the

specification.

as

which

has

A.

B.

C.

D.

E.

F.

G.

H.

Notes

based

to

changes

complete

the

symbol"+"

For

details,

Machine

Upper

shaft

Needle

Presser

Feed

Quick

Feed

Gauge

bar

mechanism

reverse

shaft

parts

for

using

on

Information

In

design

without

assemblies

on

Its

refer

to

are

number

the

CONTENTS

body

mechanism

rocking

foot

mechanism

this

available

prior

notice.

circled

by a dotted

(REF.NO)

parts

list.

parts

in

May

2010.

line.

in

the

book

figure

differs

depending

1

3

5

7

9

11

13

15

J1.

Rotary

J2.

Rotary

K.

Lower

L

Lubrication

M.

Threading

N.

Bobbin

P.

Thread

Q.

Tension

R.

Thread

SI.

Control

82.

Control

S3.

Control

T.

Quick

U.

Power

V.

Presser

Z1.

Accessories

Z2.

Accessories

hook

mechanism

hook

mechanism

shaft

mechanism

winder

trimmer

release

wiper

box

and

box

mechanism

box

mechanism

reverse

supply

foot

lifting

mechanism

motor

mechanism

switch

mechanism

equipment

mechanism

solenoid

set

mechanism

(Option

parts)

17

21

23

25

29

31

33

37

39

41

43

45

47

49 51

53

55

Wa.

Waming

Sp.

Different

Ga.

Gauge

Index

labels

parts

list

57 59

60

63

A.

/

Machine

12

1

body

T-8722C-050

A.

REF.NO

1

2

3 4

5

6

7 8 9

11

12

13

15

16 18 20 21 22 23 24 25

26 27

28 29

/

Machine

CODE

140063001

SA3924001 SB1308001

SA2929001

062500816

SA2441101 062501216

SA2442201

062501416

SA2443101 062500616

SA2444101 SA2445101 SA2448101

SA2450101 S36663001

S34438001

116010001

SA2929001

S37060001 SA9826001

062500816

SA9957001

SA9957002

body

Q'TY

drA-tr>12.5

:^^35X12

■^^□5X14

4-^a5X6

X^'J4'^LA

;x^'K^F<75

■y-74'-v3.18X4

\-M-V5A6

=fA-tr>12.5 ifA4z>12.5 7-X-^-<7

d-^DSXB

9-->y-7-^7

DOWEL

POSITIONING FACE

PLATE

RUBBER

SCREW REAR

SCREW

MOTOR

SCREW DUST

SCREW

BED

BED SLIDE SLIDE SLIDE

SCREW,

SET RUBBER RUBBER LABEL,

LABEL

SCREW INJURY

INJURY

CAP,

PAN

COVER

PAN

COVER

PAN

PROTECTOR

PAN

LEG

L

LED

S PLATE PLATER PLATE F ASSY

FLAT

SCREW.

CAP, CAP,

GROUNDING

CAUTION

PAN

MARK

NAME

ASSY

12.5

M5X8

M5X12

M5X14

M5X6

LA

SM3.18-40X4

SM5.16-40X4

12.5

M5X8

OF

PARTS

RM

T-8722C-050

B

.

Upper

shaft

mechanism

i—27

—28

0

T-8722C-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

/

Upper

CODE

SA2452101

SA4089001 SB1485001 SB1484001 SA6166001

117006001 113014000

S25260001 SA1120001 S23651001 S25235001

S25236001

SA2460101

SB1536001

S23651001

SA2461001

S38713100

062403512 028040242 025040232

SA2463001 SA2937101

SA2861201

012061036

SI3160001 SA2469101

062500816

SA4537001

SA3058101

SA3065001

SA3059101

062500816

shaft

mechanism

QTY

1

't79v^DD

1

^•7i/^'>'!7-6004ZZ

1

^'7i/^7't7'y6004ZZNR

1 1

1

T-^t76X57txV.j«

2

1

2

1

Ti-t'76X107t■^V^

1 1

^■7i/^'!7V6204ZZNR

T-f-t76X67fxV>

4

1 1

■7T>

3

-^^□4X35

3 3

1

1 1

2

T-^-t^exio

1

2

■^-^□5X8

1 1

V'V'^'1'

7x;uh

1

-^-^□5X8

a

^

UPPER

SHAFT.

THREAD

BALL BALL

CRANKSHAFT

WICK.

PUSHER

SET

BOBBIN

SET

SCREW

SET

PRESSER

TAKE-UP

BEARING, BEARING.

L=60

SCREW

WINDER

SCREW

M8

SCREW

BALLBEARING,

SET

DD

SCREW.

TIMING

PULLEY.

FAN

SCREW

WASHER

TIMING

BELT

THREAD

SET

SCREW

PAN

SPRING

PLAIN M 4

TAKE-UP

T-TAKE-UP

THREAD SCREW

DUST

SHELTER

FELT

HOLDER,

SCREW

TAKE-UP

PAN

COVER

SHELTER

PAN

NAME

DD

CRANK

6004ZZ 6004ZZNR

SOCKET

DRIVING

SOCKET

ADJUSTING

6204ZZNR

SOCKET

UDD

M4X35

2-4

LEVER

S-SHAFT

SOCKET

SUDE

BLOCK

LEVER

M5X8

PLATE

M5X8

OF

(FT)

M6X5

WHEEL

(FT)

M6X6

(FT)

M6X10

UNIT

(FT)

ASSY,

(FT)

M6X10

ASSY,

COVER

PARTS

M6X6

UNIT

RM

L2-L

2

T-8722C-109

C

.

6 15

m

Needle

0—14

bar

rocking

mechanism

37

<^21

36—==^

11—®.

22

T-8722C-115

C

.

ref.no

1

2 3

4 5

6

7

8

9

10 14

15

16

17

18 19

20

21

22

23

24 25

26 27

28 29 30 31 32 33

34 35

36 37 38

CODE

SA8893101

SB1423001 SB1425001

018401036

SA2475101

SB1426001

062350816

112728001 SA3711101 SB1427001

148394000

SA4007001

062500616

SA3848001

S07465000

SA3852001

SA2485001

S25260001

SA2486101

062500816

062061616

SA2489001

018062032

118735002

SA2490101

S23460001

SB1437001

012060636

SB1438001

018062532

SA2493001

SA2494001

018062032

SA5332001

S48204000

/

Needle

QTY

1

2

1 1

1 1 1

1 1

1 1 1

2

1

2

1 2

1

2

1

bar

rocking

7d-7K;Uh4X10

/ \'J

4^

PK

/N'j7K't7-b>

d-'^psxe

•7x;uK:t-9-xD

7x;uh

7d-t76X57t>y.?'

■^-^□5X8 7^36X16

7d-7f<JUh6X20

-^-'^aexs

7±t76X6

7-tt^Jl^h6X25

/\'j7K'!73't7K't707

777t?;Uh6X20

3*t7K't7V'^/^;UL <75t^4X4

mechanism

NEEDLE

SLIDE

BLOCK

BOLT

SOCKET

NEEDLE

SCREW

PAN

WICK.

L=50

CRANK

ROD.

SLIDE

BLOCK

CAP,

N-BAR

FELT

SUPPORT,

SCREW

SET

PAN

FELT

SUPPORT,

WICKL=200

FELT

SCREW

BUSH,

R

SCREW SCREW

NEEDLE

BOLT

SOCKET

WASHER

ROCKER

SCREW

PAN

LINK

SHAFT,

SET

SCREW

ZIGZAG

LINK

BOLT

SOCKET

WASHER.

NEEDLE BOLT

SOCKET

BUSHL

WICK,

4X4

BAR

M3.5X8

M5X6

COLLAR

SOCKET

PAN

M5X8

PAN

M6X16

BAR

LINK.

M6X5

N-BAR

SOCKET

PLAIN

BAR

L=150

NAME

ROCKER

BASE

ASSY

SLIDER

M4X10

CLAMP

N-BAR

U

D

ROCKER

M6X20

N-BAR

ROCKER

BUSH

M6X25

ROCK

ARM

M6X20

OF

SHAFT

(FT)

M6X5

LEVER

(FT)

M6X6

PARTS

ASSY

RM

T-8722C-115

D

.

Presser

foot

mechanism

34

32—

33—

12

<

>85a I Option

39

38

parts

>

40

35

T-8722C-201

D . if

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

SA1174002

SA1175002

SA7607101

S07346101

SB1439001

SA2498001

S25289001

SA2499001

S31006002

S39051001

S07351001 S07529001

048030342

SA2677101

012061832 021060306

SA2500001 SA2501001 SA2502001

SA1179001

S07349001 SA2504001

012500536 S07355051 062501216

021500106 SA2506001

SA2507001 SA1179001 SA2165001 SA1179001

SA4149101

021060306

S07350001

foot

mechanism

Q'TY

1

:F^=I5X8

1 1 1

1

1 1

1

:^/<+f^535X12

1 1 1

2

1 1

T-:ht76X18

1

3vX-^-^:/h6

1 1

1

1 1

1

^VV-h=7-

2

7•:^t75X5

2

1

:^^35X12

1

1i/X7^Vh5

1

t+f7yb/<-

1 1

1 1 1

73't7-tr^V^-v6

1

3i/x-f'yh6

1

PRESSER

SCREW

PESSER

ADJUST SPRING

PRESSER

GUIDE

BAR

BUSH

PAN

M5X8

ADJUSTING

SCREW GUIDE

BAR

SPRING,-5

BAR

BRACKET.

BOLT(CP)M6X10

PRESSER

LIFTING

SCREW

TENSION T-RELEASE

RETAINING

TENSION

SET

NUT3M6

KNEE PRESSER KNEE

SHOULDER

P-BAR

SET

SPRING.

SCREW

NUT 1 M5 KNEE KNEE

SHOULDER SHOULDER SHOULDER

ADJUSTING

NUT3M6 WASHER

BAR

LEVER

PAN

(S/PW)M3.5X12

RELEASE

CONNECTING RING

RELEASE

SCREW.

LIFTER

BAR

LIFTER

SOCKET

C-ROD

CONNECTING

SCREW.

LIFTING

SCREW

COLLAR

SCREW

SOCKET

EXTENSION

PAN

M5X12

LIFTER

LEVER

LIFTER

BAR

SCREW. SCREW. SCREW.

SCREW

PLAIN

LIFTING

LEVER

NAME

NUT

P-BAR

PLATE

E3

WIRE

6

OF

PARTS

SCREW.

CRANK

ASSY

ROD

(FT)

M6X18

ASSY

LEVER

M5

SHAFT

(FT)

M5X5

M5 M6 M5

RM

M14

ASSY

ROD

37 38 39 40

41

T-8722C-201

SI0780001

807529001

048030342

SA2677101

SA2578001

1 1

M9E3

2

1

;J-9-X7yU/<-

<Optlon

TENSION

T-RELEASE

RETAINING TENSION PRESSER

parts>

RELEASE

BAR

PLATE

CONNECTING

RING

E3

WIRE

LIFING

ASSY

ROD

LEVER

ASSY

E

.

/

Feed

mechanism

I

H

i

1

T-8722C-202

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 37

38

39

40

41 42 43

44

45 46

47 48 49

50

51

/

Feed

CODE

SA3062001

SA2511001

062501016 SA2512001 SA2515001

SA2516001

062060816

143611201

143612100

118954000 SA2791001

SA2585001 S25236001 SA2793001

018062032

143613051

143616001

048060342 S38428002 SA3056001

142746122

129458202

108549001

S50098101

100328001

SA2523001

S39830101 SA2796001 016061031

SA2526001 SB1440001

012060636

SB1413001

SA2529101

048080342

025100132

SA2530001

S07374101

SA2531001

SA2541001

SA6592001

104821001

062500816

SA2532001

062501216 025050236

S07376001

SA2533001

062060816 062501216 021500106

mechanism

Q'TY

1 2 4

-^-^□5X10

1

3

:7x;uh

1

4rU:*jx^h./

■^^□6X8

1

T-fh:^f'J6Xi07hyy

1 1

Td-t56X107txV;^

1 1

7d-7t?;Uh6X20

1

1 2

h.?i9E6

1 1

v.>«t"'i^4.76

1

o«j>y

1

1 1 1

:^-<7V73':7lzy4r7

1

7d-h**U6X10

2 1 1

1

77t76X6

1

M9E8

1

t7lf^*^''V39lO

1 1

1

^Xv5?4'U/N-

*Xv5?^L//

1 1 1 1

=fA4z>10.5

2

•^^<35X8

1 1

■^^35X12

1 1

4Fi;^x4r/N*^<-

1

■^^□6X8

1

:h^35X12

1

1vx-f9h5

g□

1^/<-/

<-^-9-X/

<:}!.

FEED

REGULATOR

GUIDE

PLATE

SCREW

PAN

SLIDE

BLOCK

FELT STOPEER

SCREW

PAN F-ROCKER FEED

ROCKER

NEEDLE

LEVEL

SET SET

FEED BOLT

LINK

BEARING

FEED

SCREW, SCREW

ROCKER

SOCKET

SHAFT

RETAINING

STITCH

LENGTH

FEED

REGULATING

FEED

REGULATING

SCREW

ORING

SPRING

CONNECTING

SET

SM4.76

POSITIONING

NOTCH

SPRING

DIAL

LOCK

FEED

REGULATOR

SET

SCREW

ECCENTRIC

SCREW

SHOULDER

SHAFT.

R-LEVERTR

RETAINING

WASHER

SPACER

REVERSE

SPRING

REVERSE SCREW

RUBBER

SCREW

STOPPER

SCREW WASHER

FEED

SPRING SCREW SCREW

NUT 1 M5

PLAINS

STITCHING

M5

CAP.

PAN

PLAIN M 5

REGULATOR

HOOK PAN PAN

NAME

ASSY,

M5X10

ASSY

M6X8

CONNECTING

ECCENTRIC

SOCKET

RING

ARM

M6X20

E6

DIAL,

(FT)

7

STUD SUPPORTER

LEVER

7

SOCKET

SHAFT

SOCKET

SCREW

RING

(CN)

ROD

(FT)

M6

E8

10

LEVER

10.5

M5X8

M5X12

SPRING

M6X8 M5X12

OF

PARTS

11

ROD

WHEEL

M6

M6X10

M6X6

PLATE

RM

ASSY

ROD

7

T-8722C-202

10

F

.

/

Quick

reverse

mechanism

\

©—15

eP—19

18

17

□

11

T-8722C-205

F

.

ref.no

I

3

4

5

6 7

8 9 10

II

12

13

14 15

16 17 18

19

/

Quick

CODE

SB1442GG1

1547300G1

154731OGG

SA25351G1

G625GG812

G62G61G16

SA2992GG1

G48G6G142

153138GG1 SA2536GG1 SA2540GG1

G16G61G31

SA2992GG1

G12G60636

SA2539GG1

G18062G32

149G95GG1

153132GGG

reverse

QTY

±^□5X8

-^-^□6X10

h.;t'7v^3'!7C6

7i-ht''J6X10

7i-t^6X6

7t-7t?;Uh6X20

mechanism

QUICK

REVERSE RETAINING RUBBER

SOLENOID SCREW SCREW

RETAINING

STOPPER

PAN PAN

WASHER.

SOLENOID

QUICK

REVERSE

SET

SCREW

SET

SCREW

SOLENOID

BOLT

SOCKET

WASHER.

NYLON

TUBE.

RING

BRACKET

M5X8

M6X10

RING

PLAIN

6.5

LEVER

SOCKET

LEVER

M6X20

PLAINS

L=13.5

NAME

OF

SOLENOID E15

EXTERNAL

ASSY

LEVER

(CN)

(FT)

M6X6

SHAFT

PARTS

ASSY

C6

M6X10

RM

T-8722C-2G5

12

G . iH

U

/

Feed

shaft

mechanism

13

A

18

3 2

©

T-8722C-211

G

.

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

/

CODE

SA3855001 SA3965001

SA4028001 SA2543001

108802001 SA2544001 012060636

SA2546001

S23651001 SA3840001 SA6150101

SA2927001 025060132 SA2566001

021350106 SA2553001

SA2554001

062400616 SA3990001

SA3887001

SA3888001

025030132 062300416

SB1445001

SA2551001

012060636 SA2555001 SA2928001

SA4538001

SA2806101 SA6308001

SA4009001

062400616

SA2724001

SA4011001

Feed

QTY

shaft

mechanism

1

1 1

^5t^4X4

1 1

^75t^4X4

1

T-^-t76X6

2

-izyhiJz^-

4

1 1 1

v.>«^-vM6X14

1 1

1 1 1 1

:F^zj4X6

1

:7x;uF

1

7x;uh

^x;Uh:it-9-x

1

t7¥^*^>va'!73

1

■^^33X4

1

2

7.'yXh'J>'if

1

Ttt^exe

1

2

i/./t'.i/M5X12

1

^St^3X3

1

4

0-9-733i/a2X4

<75t^-9"9-x

1

■^^□4X6

2

1

Cl

L=220

L=200

L=100

BUSH,

L:F-R0CKER

FELT

WICK.

4X41=220

FEED

ROCKER

WICK,

4X4

L=250

SET

SCREW

SET

SCREW

SET

SCREW

SET

SCREW

FEED

ROCKER

FEED

BAR

TR

SCREW,

WASHER

SET

NUT 1 M3.5

FORKED

ADJUSTING

SCREW

FELT

FELT FELT

WASHER

SCREW FEED THRUST

SET

FEED

SCREW,

WICK FEED

SCREW

WICK

SCREW,

WICK.

OIL

M6X14

PLAINS

SCREW.

PLATE

PAN

HOLDER

PLAIN

PAN

BAR

SHAFT

RING

SCREW

ROCKER

M5X12

3X3

L=200

BAR

SLIDE

FLAT

SUPPORT

PAN

L=400

TUBE,

L=1G0

SCREW,

NAME

SHAFT

M6

SOCKET

COLLAR

SOCKET

SHAFT

FORK

6

(FT)

ASSY

M3.5

HIGHT

M4X6

S3

M3X4

SOCKET

BASE

BLOCK

#0M2X4

(FT)

ARM

M4X6

OF

PARTS

BUSH,

M6X6

ASSY

RM

R

T-8722C-211

14

H

.

V

/

Gauge

parts

15

T-8722C-231

H

.

REF.NO

1 2 3

4

5

6

7

8 9

10

/

CODE

*

P.60-62

116323001

*

P.60-e2

811244001

100032004

*

P.60-62

113050001

*

P.60-62

S07494001

Gauge

QTY

parts

v>t:T>v3.57

i/>^-v4.37

•y-7:r-v4.37

V->«^'.V3.57

DPX5-

•(#22)

NEEDLE

SCREW.

NEEDLE

SCREW, SCREW.

PRESSER

SCREW.

FEED

DOG

SCREW,

NEEDLE

NAME

CLAMP

ASSY

SM3.57

PLATE

SM4.37 FLAT

SM4.37-40X8

FOOT

ASSY

SM3.57

W/SOCKET

DPX5...

(#22)

OF

PARTS

SM3.18X7

RM

T-8722C-231

16

J1

.

Rotary

hook

< <

131

mechanism

P.21 Refer

to

<^4

#—5

>

P.21

24

61—

>

<

P.21

<

Refer

34

to

35

>

P.21

65

>

CS^4

38

37

121;;^

I

20 20

35^

22^62

I

32^0

32

47

.22

40

<^62

1-46

U—1—

I

4-58

17

57

T-8722C-301

Brother T-8722C User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual