Brother DB2-B707 User Manual

____________

____J

082-8707

.___I

_

High

Speed

Single

with

Automatic

Needle

Straight
Thread

BROTHER INDUSTRIES, L TO.

NAGOYA,

JAPAN

Stitcher

Trimmer

Notes for using this parts book

I.

If

the symbol I I

No." column, refer to the different parts list on page 19.

2.

The symbol
available for supply.lf, however, there
the parts can be ordered as
Assembly No.

3. This book was prepared based on information available

I~

is

found in the "Parts No.': column

I in the

"Parts

an

assembly. Please, therefore, order by using the

No." column indicates that the parts

is

a number in the"Assembly No." column,

or

in

May, 1982.

the "Assembly

is

not

4. Parts are subject to changes

in

design without prior notice.

Anmerkungen zum Gebrauch dieses Stucklistebuches

I. Dieses Zeichen I I in der Spalte

sembly No. (Geratesatznummer)" verweist

19.

2.

Dieses Zeichen I

Teil nicht lieferbar ist. Wenn Jedoch in der
Nummer steht, kann dieserTeil als ein Gerateteilsatz bestellt werden. Bestellen
daher bitte mit dieser Geratesatznummer.

3. Dieses Buch basiert

4. Modellanderungen sind vorbehalten.

~I

auf

in der Spalte "Teilnummer" bedeutet,

den lnformationen vom Mai,

"Parts

auf

No. (Teilnummer)" oder "As-

die Gesonderte Stilckliste aufSeite

daB

Spalte "Geratesatznummer" eine

1982.

dieser

Sie

Notes sur l'utilisation de ce manuel de pieces detachees

I.

Si

le

symbole I I se trouve dans

Ia

dans

pieces annexe page

2. Le symbole

peut
nomenclature,
pieces. Done, pour toute commande, veuillez specifier

Ce

3.

4.

Les

colonne "Assembly No.

19.

I~

etre fournie. Si, dans

Ia

manuel a ete fait d'apres

pieces peuvent etre sujettes a des modifications sans preavis.

I dans

piece peut etre commandee comme faisant partie d'un jeu de

(No

jeu de pees)", veuillez vous referer a

Ia

colonne

Ia

colo nne

les

renseignements valables au mois de Mai,

Ia

colonne

"No

de piece" signifie que

"No

jeu de pees",

"Parts

le

No

No.

(N°

de piece)" ou

Ia

liste de

Ia

piece ne

il

y a un numero de

d u jeu de pieces.

1982.

Notas para usar este Libro de Piezas

I. De haber un simbolo I I

columna del "Assembly No. (Numero de Juego)", habra que mirar

piezas separada de la pagina

2. Elsimbolo
quiere decir que no se dispone de dicha pieza sola. Cuando, empero, hay

numero en

eljuego.

respectivo.

3. Este libro ha sido compilado basandose en los datos de que

1982.

4. Las piezas quedan sujetas a cambios de disefio sin aviso previo.

1~1

Ia

columna del "Numero de Juego",

Por

lo

tanto, sera mejor hacer

,queseencuentraenlacolumnadel"NumerodePieza",

19.

junto

al

"Parts No. (Numero de Pieza)" o en

se

el

pedido recurriendo

podra ordenar

al

se

disponia en Mayo de

Ia

lista de

Ia

pieza con todo

numero deljuego

CONTENTS

A.

Machine Body and Threading .................................................................. .

B.

Needle Bar, Thread Take-up and Rotary Hook Mechanism (I) ............... 2

B.

Needle Bar, Thread Take-up and Rotary Hook Mechanism

C. Feed Mechanism (I) ..... ............................................................................. 4

C.

Feed Mechanism

D. Presser Foot and Knee Lifter Mechanism ................................................. 6

E.

Lubrication ................................................................................................ 7

F.

Thread Trimmer and Tension Release Mechanism ................................... 8

G.

Synchronizer.............................................................................................. 9

H.

Thread Wiper Mechanism -200, -400, -700, -900 .......................................

(2)

.................................................................................. 5

J. Quick Back Mechanism -400, -700, -900 ...................................................

K.

Presser Foot Lifter

L.

Knee Lifter Switch Mechanism -700 .........................................................

M.

Presser Foot Lifter <Solenoid

N.

Control Box -900 .......................................................................................

P.

Bobbin Winder Mechanism -900 ...............................................................

Z. Accessories .... .....

a

""

c.

Option Parts List .................................................................................

DIFFERENT

INDEX............................................................................................................

PARTS LIST...........................................................................

<Air

Type>

..

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

Mechanism -700 ...................................

Type>

..

..

Mechanism -900 ............................

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

(2)

............... 3

..

..

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

Ia

un

10
11
12
13
14
15
16
17
18
19

20

A.

Machine Body

and

Threading

' I

'J

16

~

17

d

I

I

I

I

I
I

•

20

t)-21

t)

--

6

1

~

Ref. No.

I Screw 3,

A­A- 2

Oi
A- 3 Screw
A-

4 Face Plate I 1

A- 5 Packing I 1
A- 6 Oil Cap 4 I 04450-0-0 I
A- 7

Oi
A- 8 Oil Cap
A- 9

Screw 4.37 x 7
A-

10

Thr
A-ll

Oil Cap I 111865-0-01
A-12 Thr
A-13

Scr
A-14-1 Pre-tension
A-14-2 Thread Guide

A-14-3

Spri

-1

4-4

A

Nut

A-

15

Spool

A-16 Na
A-17 Screw 3.57 x 8
A-18

Rear

A-19 Packing
A-20

Oil

/\-2

1 Oil Cap I

Vin

A-

22

A-23

Oil Cap

A-24

Name

of Parts

57

x 10 2 0

l Cap 2 1

3.57

x 18 1 00967

l Cap

ead

Take-

up

Cover

ead

Gui

de

ew

4.37 I 151602-0-02
Stud

ng 1

me Plate

Cap

yl

Pin 2

Disc 2

Pin I 14 7557-0-0 1

Cove

r

Tub

e

Q'ty

P

am

096

72-0-12

0444

45523­45527-0-00

1

04821-0-0

3

104449-0-01

2

009680-7-

I
I 14

088

15

4563-0-0 1

I

I 154

559

144504-0-01

1 1

555

10-0-01

I

00

96

70-8- 12

5

-------

14

5455

I
I

14

5528

I 104832-0-01

1

0445

53132-0-00

1

I
I I

085

20-0-0 I

9-0-0 1
1-8-12

5-0-04

1-0-01

----

No.

0-02

12

-0-01

-0-02

-0-00

Assembly No.

1

A-14

Pre-tension

Assem

bly

Ref. No.

A-25
A-26
A-27
A-28
A-29
A-30
A-3 1
A-

32

A-

33
A-34-1
A-34-2
A-34-3
A-

34-4
A-34-5
A-34-6
A-34-7
A-34-8
A-34-9

35

A­A-

36
A-

37
A-

38
A-39
A-40
A-41
A-42

a

Q'ty

Name

of Part

s

Plate

Model
Pump Cover 1 118672-0-01
Bo

lt

7.14 2 140704-0-01

Name Pl

ate
Pin
Th

read Guide R I 145522-0-0 1

Screw

3.

57

x 6 1

5.95

Screw
Tension

Release Pin I 150551-0-

Screw 3.

57

Upper

Tension

Regul

ato

0 Rin g I 114294-0-01

Thread

Take-up

Ten

sion

Stud
Tension Disc 2
Ten sion Disc
Ten

sion
Tension
Arm
Nut 3.18

Tiuead

Scre w
Arm Bed I
Cap I 14 2274-0-0 I

Bed Leg S I 104830-1-01
Bed

Wa

Sprin

g

Contro

Thre

ad Gu

Guide 1 11611 2-0-01

4.

76

Leg L

r Bracket I 144741-0-01

Spr

ing I 1455 19-0-0 I A-34

sher I I

l Nut I I

ide

L I 1

Parts No . Assembly No.

I

---

I
2

-------

----

0096

70-6-12

1 I 03950-0-03

I

I I

I

I 021660-1-02

I

I 104829-1-01

00

I

00402-0-04

00398

-0-0 I

145446-0-01

00

134-0-0 I

00

136-0-0 I

45524-0-0

153483-0-01

---

---

1

D-

Tensi

on

Regulator
Assembly

22

-

27

- 1 -

B. Needle Bar,

10

Thread

1-•

Take

-up

22 3 24

~

19

and

Rotary

Hook

25

®D

Mechanism

(I)

29
29

35

36

37

-!

-4

Re

f. No. N

Nee

13·
B­8­8-

4

8-

5 Needle B

B-6

7-

ll­ll- 7-2 S
ll- 7-3
ll- 7-4
B-

7-5

B-

7-6

B-

7-7 Be
ll- 7-8
B-

7-9
ll- 8
B- 9
ll-10
Jl-

11

IJ-

12 Oil Adjustor
ll-13
ll-14
ll-15
U-16
8-17

dle

I

2

Th

read

3

Screw
Thread

Screw

1

Needle Bar Cl

crew 3.57

Stud

ead

Thr
Screw
Need

ar

Cap
Need
Needle Bar
Needle
Needle Jlar Bushing
Screw

Felt
Felt
Wi

ck

Nee

dle Bar

Sc

rew

ame

Guide

3. 18
Guide

ar

Bushing

5.95

amp

Take-up

3.57

le Bar

Cra

ing

le Bar Cr>nk

llar

Cork

6 .35 x 10

7 x

10

4 X 4

Guide

3.57

x 6

of Parts

Under

L

ower

Supporter

nk Rod

Assembl I

Uppe

r I

Slide Block I

Q' t y

Parts No. Asse

I

15

I

140553-).()2

I
I

I

005

I

1

00260.0.0

2

I

I

140004-0-01

--

I

--

145465-0-01

I

-----

I

2

--

I

-----

I

--

I

-----

I

I I 1
I I

724
378

0 1

I
I

146333.0-01

I

146327-0-01

I

07

1

I

I

58727-0·0

I

02630-0-0

2

0096

1594

.0.0

1

73.0.0

I 8-2 1

1 8-23

ll-7

Thread

Le,•

er

863.0·0

1 8
2-0-0 I
1-0-12

149

-0-0 1
I ll-36
I

70-6- I 2

mbly

No. Ref. No.

Take-up

Assembly

B-

18

8-

19

8

-20

ll-

22

JJ-

24

JJ

-25

JJ

-26
ll-27
ll-28-1
JJ

-28·2
0-29-1
B-29-2
8-29-3
13

-29-4

-30
Jl

-3 I

-32

U
13

-33
U-34
ll-35

8-37

Name

Needle llar
Screw 7.14
Wosher
Fe
Cou
Screw 6.35
Upper Shaft
Upp
Screw
Upper Shaf
Set Coll
Screw
Upper Shaft Gear
Scr
Gear
Screw
Upper Shaft
Oil C
Oil
l

'ulley
Scr
Vertical
Screw
Vertical Shaf

lt

nt

er

er Shaft

ew

Verti

ap

Sea

ew

Guide

Wei

5.95 x 6

t ll ushing

ar

6.35

6.35
cal

6.35

l

5.95

Sha

ft

5.95 x 6

ght

Bushing L

Shaft

Bushing Rig

Bushing

t

of

Parts

lntennediatc

Gear

eft

Upper

ht

Upper

Q'ty

I
I
I
I
I
2
I
I
I
I
I
2
I
2
I
2
I
I
I
I

2

I
I
I

Pa

rts No . Assembly No.

I

45688-0-00

I

04464-0-0

I

I 4

100251-0-01
145459-1-01
1

56941-0-01

013760-6-

40726-0-0

1

1

0025

~

1

0025

~

I 0025
14
I

566
101
I

48822

0 1

I 4 2 708-0-00

0 I

14

I

1036

7-0-01

562

4-0-00

10

0

..........-----

1-0-01

1-0-01

I -0-0 I

633

1-0-01

4 I -0-0 I

487-0-00

-0-0 I

376

1-4

-10

3 760-6-I 0
5516-0-01

B-

28

Co

18 19 1

D-

29
!level
Upper
140

llor Assembly

6·0·01

Gear

Assembly

378.0.01

- 2 -

B.

Needle Bar, Thread Take-up and Rotary Hook Mechanism

(2)

_/1

44-1~

,,_,)

44-3

44-4

t,

qn

W I -

~~

·'·,

~~.:

44-s

45 46

~

&-47

38-1

f q.

& e

39

0 P.:n:e

T ,

48

49

50

51

40

Q..))J

~

-~

52

·

~

®:?

~

53

(ef.)

'''

54-1

54-2

55

58-.1

56

Ref. No.

Slide Plate

B-38-1

B-38-2 Screw 2.38

Slide Plate Spring

B-38-3
B-39

Needle
B-40 Screw
B-41

Screw
B-42 Felt
B-43

Lower Shaft
B-44-1 Lower Thread Adjusting Spring
B-44-2 Spring Adjusting Screw
B-44-3 Spring Set Screw
B-44-4

Bobbin Case
B-44-5 Bobbin Presser Spring
B-45 Bobbin

Bobbin Case Holder

B-46
B-47

Screw 4.37 x 12

Rotary Hook Assembly

B-48

Oil Rejector

B-49

of

Parts

Name

Plate

4.37 2

Position Bracket

Q'ty

Parts No.

1

122771-0-02

2

----

114561-0-01 180018-0-01

1
1

100032-0-04
109173-0-01

1

145151-0-01

1

154552-0-01

1

100374-0-01

1

181937-0-01

1

181938-0-01

1

I

148967-1-01

1

---

1
1

009681-2-12

1
1

154554-0-01

1

Assembly No. Ref. No.

B-38
Slide Plate
Assembly

B-44
Bobbin Case
Assembly
148350-1-01

B-50
B-51
B-52
B-53
B-54-1
B-54-2 Screw 6.35 2

B-55

B-56
B-57
B-58·1
B-58-2
B-58-3 Lower Shaft Gear 1
B-58-4
B-59
B-60
B-61-1
B-61·2

of

Parts

Name

Screw

4.37

Screw 4.37 1 151603-0-02

Shaft Bushing Left

Lower
Lower

Shaft Bushing Middle

Set Collar 1

Screw 4.37
Lower Shaft Bushing Right 1
Felt 1 107155-0-01
Vertical Shaft Gear Lower 1
Screw 6.35 2

Screw 6.35 2
Screw 5.95
Vertical Shaft Bushing Lower
Set Collar 1
Screw

6.35

Q'ty

Parts No.

102716-0-01

2

1

118761-0-00
118762-0-00

1

101706-0-01

---

1

151607-0-01
104520-0-00

100251-0-01

----

100251-0-01

---

1

013761-4-10

142709-0-00

1

2

101706-0-01

------

Assembly No.

8-54

Collar Assembly

181995·0-01

B-58

Bevel Gear
Lower Assembly
140381-0-01

8-61

Collar Assembly

181995-0-01

-3-

C.

Feed

Mecha

nism

(1)

12

13

d

~~

Ref. N

o.

C- I

Scr

C- 2 Feed Regu

Spri

C- 3
C- 4 Screw 5.95

Feed

C- 5
C-

6-l

r-

Leng

C- 6-2 0 Ring
C- 6-3 Length
C- 6-4 Leng
C- 6-5 Leng

Screw 4.76

C-

6~

C- 7 Notch Spring
C- 8 Pin I 145502-0-01 C-33 Reverse Lever I 156
C- 9 Screw 5 .95

Feed Con

C-10

St

C-11

L

C-12

A
C-13 Connecting Lever
C-14

Co
C-15 Feed Regulator Bracket
C-1

6-l Vertical Feed E

Pin

C-16-2
C-16-3 Sc rew 5.95
C-17

Ver
C-

18-l Level Feed Eccentric Wheel

Scr

C-18-2
C-19 Level F eed Connecting R

Level Feed Ecce

20

C-

Name

of

ew

4.37

ng

Regulator

th

Contr

Contro

th

Contro

th Contr

op Ring E7

eve

r Regulator Connectin g Rod

ssembly

nnecting Lever S

AW2

tical Feed Connecting

ew 5 .95

Parts Q'ty

lator

Shaf

t

L l 1 1

ol Screw

l Dial
l Plate l 151507-0-01

ol

Supporter

troller Shaft

Stud

12.5 I 151308-0-0 I

tud

12.5

ccc

n tric Whee) I

ntr

ic Wheel Plate

od

Rod

ntric

entri

Ref. No.

C­C-22 Reverse Lever
C-23 0 Ring
C-24 Stop Ring E8

-25
C-26
C-27 Screw 6.35 x l 0

28

C-

ol

C-29 Co
C-

30
C-3
C-

32

C-34 Level Feed Link A
C-35 Level Feed Arm Li
C-36 Scr
C-37 Feed Rock
C-

38
C-3
C-4
C-41
C-42
C-43 Screw 4

ly

C-44 Screw

C-46

c

C

-4
C-48 Screw 4
C-4

Parts No. Assem bly No.
I 15 1601-0-02
I 156969-0·0 1

56968-0

-01

1

I
2 151604-0-01

56967

-0-01 C

-l-0

56971-0-

569

49-0-0 l

569

48-0-01

-02

-0-

02

-01

00

1

c~

Leng

Assembly

1814

C-t 6

Feed Ecce

Wheel

I 56975-0-01

C-18

Feed Ecc

Wh

eel Assembly

156946-0-01

th Contr
82-

l-01

Vertical

Assemb

Level

I 10915 1

108549-0-01

l

153168-0-01

l

I 1

42746-0

14274 7

I
l 100328-0

151605-0-01

I
l 156970-0-0 l

I 048070-3-42

I

151308-0-0 I

l
l

1

047200~-42

I

----

2 151604-0-01
I 118758-0-01 C-45

l
2 0 1376 1-4-10

----

l 1

1

I

21

Screw 3.57 2 I

Washer 10 I 0251
Wa

Spring

Wa

1 Screw 6.35 x 18 I

Scr

Scr

9 Scr

Feed Link

0

Feed Reg
Stop

Feed Regulat or
Washer

7 Feed Regulat

Feed Rock

9

Name of Parts

Shaft

sher

ll

ar l 15 13 17-0-01

sher 6 I 025

ew

3.5 7 x 5

ssembly I 1

nk

ew

3.57 I 1

Shaft
ew 4.37
ew

4.76 x
Stud

ul

ator

Ring E6 I

.37

x 4 2 014680-4-22

4.37

x 4 l

.37

S

Assembly l 156954-0-0 l

Arm

Pin

14

Shaft

or

Shaft I 118734

haf

t Arm Pin I 109 153-0-01

Fn

""\-•

____,

~~

48

Q"ty

08

I 156973-0-0 I

104564-0-01

I

04

l

147504-0-01

l

01577

I
l 1

56974

009
00

3

56952

444

l 1

56956

151601-0-02

l
l

009

2 156951-0-01

156966-0-01

l

048060-3-4 2

014680-4-22

156950-0-

I

118735-0-01

I

I 151601-0-

49

Parts No. Assembly N

96 0-0-0 2

808

0-3-42

00-

l-32

1-0-12

-0-01

060-3-32

781-8-12

76 70-5-13

972-

0-0 I

-0-0 1

58-0-01

-0-0 1

711-4-12

00

-0-01
02

o.

- 4 -

C. Feed Mechanism (2)

69

Ref. No.

C-Sl

Stop Ring CIS 1 0481SO-l-42

C-S2

Thrust Ring 1

C-S3

Bushing 18.8 1

C-S4

Feed Bar Shaft 1

C-SS

Feed Bar Arm 1

C-S6

Screw 4.37 2

C-S7

Oil Cap 4

C-S8

Wick

C-S9

Feed Bar

Washer

C-60
C-61

Screw 3.18 2 100080-0-03

Feed Dog

C-62
C-63 Screw 4.37 x 12
C-64

Wick 4 x4

C-6S

Oil Cap 2

Vinyl Tube

C-66
C-67

Oil Rejector

Wick

C-68

Feed Rock Shaft

C-69
C-70

Feed Rock Shaft

C-71

Feed Rock Shaft Arm Pin

Name

Hanger

4.2

6x6

of

Parts

Arm

81

-1

81

·2

67

68

' '

Q'ty

Parts No.

1S6243-0-01 C-73·1
1S6242-0.01
1S6246-0-01
1S6244-0-00

120990.0-01
11186S-0-01
1S0342-0-0l

1

147767-0-01

I

1 1S8722.().01

1
2

009681-2-12

1 10940S-O-Ol

141189-0-01
104S66-0-01

1
2

146064-0-00 C-83

3

113782-0-00
1S6240-0-01

1
1

1S69S7-0-01

I 1S69S8-0-0l

Assembly No. Ref. No. Name

79

of

Bushing 19.3

C-72

C-73·2
c-74
C-7S
C-76-1 Set Collar 1
C-76-2 Screw 6.3S 2
C-77
C-78 Screw 4.37 x 12
C-79
C-80
C-81-1
C-81-2
C-81-3
C-81-4
C-82

C-84

C-8S

C-86
C-87

Collar

Set
Screw 6.3S 2 101706-0-01
Screw 4.76 x
Screw 4.37

Bushing 19.3

Feed Lifting Rock Shaft Arm
Feed Lifting Rock Shaft 1 IS6249-0-0l
Feed Lifting
Screw 4.37 x 16 1 009682-6-12
Washer
Slide Block Assembly 1
Bushing 18.8
Thrust Ring
Stop Ring CIS
Screw 3.S7 x 3.S 1
Wick

Supporter

Wick

4x4

Parts

14

Arm

Q'ty

Parts No.

1S6241-().01

1
1

----

009711-4-12

1
1

1S1601-0-02

101706-0-01

----

1S6241·0.01

1

009681-2-12

2

1S62S0-0-01

1

1

----

1

----

1S6242-0.01

1

----

1S6243-0-01

1

0481S0-1-42

1

009679-3-12
14SS38-0-01

1

117007-0-01

1

77

76-1

Assembly No.

C·73

Collar Assembly

180321.0-01

C-76

Collar Assembly

180321·0·01

C-81
Feed Lifting

Arm Assembly

14SS12-0-0l

~

-5-

D. Presser

Foot

and

Knee Lifter Mechanism

::=;

10-----r-'::1

-----®

6-t------1

6-2---~

21

__

r-lltL

24 25 22

21

:~i

..

~--_j

24

26

!

29

..

--\

.

\

Ref. No. Name

Screw

D-

I

Washer 3.5

D-

2

Finger Guard

D-

3

Presser Foot Assembly

D-

4

D-

5 Presser Bar Bushing

D-

6-1 Presser Bar Clamp

D-

6-2

Screw 5.95 x 6

D-

7 Presser Bar

D-

8 Washer

Spring

D-

9

Presser Spring

D·IO

Nut

D·ll
D-12

Screw

Presser

D·l3
D-14

Screw 4.76
0 Ring PWl

D-15
D-16

Presser Bar Lifter Crank

D-17

Screw 3.57

0 Ring

D-18
D-19 Presser Bar Lifter Lever Shaft

3.57 x 10

Bar

Lifter

PWI

Bar

of

Parts

Q'ty

Parts No.

I

001671-0-12
I
1
I

145472.0.01

1
I

01376~·10

I

-----

111466-0-01

I

140407-0-01

I

141728-0-01

I

141208.().()1

I

147846..().()1

1

141207..()..()1

I

145482-0.01

1

013710-5-12

1

081001-6-70

1
1

100128-0-02

I

081001-6-70

1

145474..()-01

I

Assembly No.

D·6 Presser Bar

Clamp

Assembly

181919·0·01

Ref. No.

D-20

Tension Release Plate Assembly

D-21

Screw 4.76

D-22 Washer

Presser Bar Lifter Lever Shaft

0·23
D-24 Stop

Spring

D-25
D-26 Tension Release Stud
D-27 Knee Lifter Connector
D-28 Screw 6.35
D-29 Knee Lifter Lever

Knee Lifter Bar

D·30

Knee Lifter Joint

D-31·1

o~3t-2

Bolt 5.95 x
Knee Lifter

D-31-3
D-31-4

Bolt 7.94
Knee Lifter

D-31-5
D-31-6

Bolt 5.95
Knee Lifter Plate

D-31-7

Knee Lifter Cover

D-31-8

Name

Ring E4

of

20

Bar

Plate Stopper

Parts

~31-s

~c4T--31-&

Q'ty

Parts No.

I

3

78-0-01

1454

2

109763-0-02
145580-0-01

1
2

048040·3-42
1
1

145691-0-01

1

154550-0.01

1

145480-0-01
145479-0-01

1

145481-0-01

1

146039-0-01

I
1

017762·0.13

104619-0.02

1
1

100463·0.01
114967-0.01

1
1

110087-0.01
114966-0-01

1
1

140503-0.01

Assembly No.

D·31
Knee Lifter
Assembly

-6-