Seiko JW-8BL-20-1, JW-8BL-30-1, JW-28BL-20-1, JW-28BL-30-1 User Manual

!!Si: E I ~ llll

Jif\-'Y I) .A~

PARTS LIST

JW-8BL-20-1

JW-28BL-20-1

JW-8BL-30-1

JW-28BL-30-1

• SEIKO SEWING MACHINE CO., LTD.

From the library of: Superior Sewing Machine & Supply LLC

§~

· CONTENTS

						Page
iitli~ J:.tli		. . .. • . . . . .	• .. • . • . . . • . . . • . . . .	• • . . . . . . . . .	• •	1,. 2
FACE PLATE, ARM TOP COVER
fq3jtff~ lflfq3jt~		.. .. .. . . .	.. . . . . .. .. .. . ... .	. .... . . . . ..	. .	3, 4
PRESSER BAR, VIBRATING PRESSER BAR
~~~ ,,::,..t-::f-1)- . . . . . . . ..			. . . .. .. . . . . . . . . . .	. . .. . .. . .. .	. .	5, 6
THREAD TAKE-UP LEVER, HAND WHEEL
J:.~.. :t-•J-		. . . . . . . . .	. . . . . . . . . . . . . . . . .	. .. . . . . . . . . .	. .	7, 8
ARM SHAFT, MACHINE PULLEY
:i!LJm~ :i!"J~		.. . . . . .. .	. . .. . . .. .. . .. .. ..	.. . .. .. . . ..	. .	9, 10
FEED DOG, FEED DRIVING ROCK SHAFT
:t.rx±i:t(:ti) .. r~ .......................................						11.12
HOOK SADDLE (RIGHT), HOOK DRIVING SHAFT
:t.r-x± t:t <ti)		. . . . . . . . .	. . . . . . . . . . . . . . . . .	. . . . . . . . . . .	. .	13, 14
HOOK SADDLE (LEFT)
!JIJ-T-;t1j		. . . . . . . . .	. . . . . . . . . . . . . . . . .	. . . . . . . . . . .	. .	15, 16
TENSION BRACKET
t!J3;tffj;;:;t1j,\* ..		*'~~ .. .. ... ..	.. ... .. .. ... .... ..	.. .. ... .. .	..	17, 18
PRESSER BAR SPRING, BOBBIN WINDER
1-tli~1		. . . . . . . . .	. . . . . . . . . . . . . . . . .	. . . . . . . . . . .	..	19, 20
ACCESSORIES 1
1-tlia62		. . . . . . . . .	. . . . . . . . . . . . . . . . .	. . . . . . . . . . .	. .	21, 22
ACCESSORIES 2
~lj:;1C~		· • • • · • • • • · • • • • • • • • • • • • • · • • • • • • • • • • · • • • •				23, 24
PARTS AVAILABLE AT EXTRA CHARGE
~	.... ::E.					25
-,	--:.;~	. . . . . . . ..	. . . . . .. . . .. . . . . . .	. .. . .. . . . ..	. .

TABLE OF GAUGE PARTS

From the library of: Superior Sewing Machine & Supply LLC

rm*& .. 1:.*&

FACE PLATE, ARM TOP COVER

5

\

21

23	------	\
	-----

44

45------

-1-

From the library of: Superior Sewing Machine & Supply LLC

mit&.. .Lt&

FACE PLATE ARM TOP COVER

'

-

~

I

No.

I

6

6

0

~·QTY

rul~ift:~

0

('.1

M

~:g

DESCRIPTION

('.1

~

M

I

PARTS NO.

~

~

...J

aJ

aJ

aJ

co

aJ

co

Cf

('.1

c:o

('.1

I

I

I

1

70079

*

*

*

*

1

mit&

FACE PLATE

2

11570

*

*

*

*

1

mit&.t.l:.ilt:>:Q.t:

THUMB SCREW 13/64X32 L=7.0

3

70080

1

*

*

*

*

mit&*tf

FACE PLATE THREAD GUIDE

4

10597

*

*

*

*

2

mifli*tf.t.l:.ilt:>tl.t:

SCREW 1/8X40 L=3.3

5

18004

1

J:.t& (f~)

ARM CAP (REAR)

*

*

*

*

6

10704

1

J:.t&~tl.t:

SCREW

3/16X28

L=6.5

*

*

*

*

7

10703

1

J:. tlj 'J·;ry~-

WASHER

*

*

*

*

8

18103

1

;;t1' JL-?~?(f~)

*

*

*

*

LUBRICATING OIL CUP (REAR)

9

7041

1

*

*

*

*

;;t-1' JL-?~?(~).t.l:.ilf:>tl.L:

SCREW

1/8X44 L=7.0

10

18104

*

*

*

*

1

;;t-1' JL-?~?(~)?J:JL-1--

OIL PAD

11

70181

*

*

*

*

1

i!ll ;t\

OIL WICK

12

70186

*

*

*

*

1

t:::.::.-'"'' ~1'-:1

VINYL TUBE

13

70182

*

*

*

*

1

~EBJC\

OIL WICK

14

70187

*

*

*

*

1

t::'.::.-JL-i\1'-:1

VINYL TUBE

15

20018C

*

*

*

*

1

*~~*~P.FfCt!)

BOBBIN WINDER TENSION BRACKET COMPLETE

16

150326

*

*

*

*

1

*~~*aPoJ.::r,c,.tf

TENSION STUD

17

20019

2

~.::rnn.

TENSION DISC

*

*

*

*

18

20020

i:L-Hn.

*

*

*

*

1

TENSION RELEASE DISC

19

70095

*

*

*

*

1

fiBJ~;1,.-;jiJ~?·

TENSION SPRING

20

20021

1

*~~~.::rc-v·;~t--;-·;~t--(A)

TENSION THUMB NUT (A)

*

*

*

*

21

20025

*

*

*

*

1

*~~*DI=ffl*tflt

TENSION STUD THREAD GUIDE

22

10652

-

-

*

*

1

*~.::r~c.,tf;-·;~t--

NUT

23

70081

-

-

*

*

1

J:. fJi (itiJ)

ARM CAP (FRONT)

24

10704

-

-

*

*

1

J:.t&~tl.t:

SCREW

3/16X28

L=6.5

25

10703

*

*

1

J:. t& 'J·:.~.Y~-

WASHER

26

70082

-

-

*

*

1

;;t-1' JL-?~?(flf)

LUBRICATING OIL CUP (FRONT)

27

70115

-

-

*

*

1

;;t-1' '"'?~?<flf)?.r.JL-r

OIL PAD

28

70180

*

*

1

;m~

OIL WICK

29

70185

-

-

*

*

1

t:::.::.-}1,.1'\1'-:1

VINYL TUBE

30

70111

*

*

*

*

1

*~*tfit

BOBBIN WINDER THREAD GUIDE

31

8040

*

*

*

*

1

*~*tilt.t.l:.d:>tl.t:

SCREW 9/64X40 L=8.0

32

30025

*

*

*

*

1

'J•;t'Y~-

WASHER

33

70092

*

*

*

*

1

7-.L...i!ll*i

ARM OIL PLUG

34

70116

*

-

*

-

1

ttt&

THROAT PLATE

34

70290

-

*

-

*

1

'tt&1/4"

THROAT PLATE 1/4"

35

6031-01

-

*

-

*

1

tt fJi.t.l:.d) tl. 1.:

SCREW

11/64X40 L=8.3

35

6031-01

*

*

-

2

tHi.t.l:.ilt:>tl.t.

SCREW

11 /64X40 L=8.3

36

11162

-

*

*"

1

'tfli~ilt):Q.!;

SET SCREW 3.4X36 L=5.4

37

11163

-

*

-

*

1

t:~

THROAT PLATE STOP

38

70119

*

*

-

1

~fli(~)

BED SUDE (LEFT)

38

70218

*

-

*

1

~t/j(~) 1/4"

BED SLIDE (LEFT)

114"

39

70120

*

-

*

-

1

:fqfli (;t:j)

BED SLIDE (RIGHT)

39

70224

*

*

-

*

1

:fqfjj(;t:j) 1/4"

BED SLIDE (RIGHT) 1I 4"

40

10667

*

*

*

1

:fqflit:~

BED SLIDE STOP

41

10668

1

~fll;1,.-;j1J~?"

BED SLIDE STOP SPRING

*

*

*

*

42

70214

-

*

-

*

1

~Lf&

BED SLIDE (FRONT)

43

13085

-

*

-

*

1

~Lf&.t.l:.ilt:>:Q.L:,

SCREW

13/64X32

L=4.3

44

10794

*

*

*

*

5

.:E:.At.J·:.~-:1(3/8)

BALL OILER

45

30046

*

*

*

*

1

7-'A*l.t.l:.ilt:>:Q.I:,

SCREW

M4X0.7 L=4.0

46

30137

*

*

*

*

2

:<fi:i;$;k;tf.l(A)

MACHINE SUPPORTING BOLT

47

143657

1

*~~MJ.::r-7-T.r.·;~t--

RATCHET

*

*

*

*

48

153672

1

*~~tm.::rc-v·;~t--;-·;~t--(B)

TENSION THUMB NUT (B)

*

*

*

*

-2-

From the library of: Superior Sewing Machine & Supply LLC

PRESSER BAR,

--- 39

	v9				29	-SBLff-20-1
-BBL-30-1				-28BL-30-1
-SBL-20-1				-28BL-20-1
				-SBLl-20-1		-SBL-30-1
				-SBL-30-1

-3-

From the library of: Superior Sewing Machine & Supply LLC

~;{.~.. !:ptffljt~

PRESSER BAR

'

VIBRATING

PRESSER BAR

$~iliS-

I

~

I

0

~~

DESCRIPTION

I

~

...J

No.

0

N

~

<")

~·QTY

PARTS NO.

N

co

<")

I

al

al

<0

...J

al

...J

al

00

N

N

I

I

I

I

""

itf*± i:l

1

70027

*

-

*

-

1

NEEDLE BAR ROCK FRAME

1

70201

-

*

-

*

1

itt*± i:l

NEEDLE BAR ROCK FRAME

*

2

70028

*

*

*

1

jff*± i:lt::~

NEEDLE BAR ROCK FRAME HINGE STUD

3

10728

*

*

*

*

1

;wit::\

OIL WICK

4

70029

*

*

*

*

1

ttf*± i:lt::~.Ll::.clt.>td.L:.

SCREW

6.75X24

L=19.5

5

70022

*

*

*

*

1

jt.ffm~

NEEDLE BAR CONNECTION STUD

6

10726

;wit::\

*

*

*

*

1

OIL WICK

7

10532

*

*

*

*

2

tt.ffm~*WitJ.t:.

PINCH SCREW

5/32X40

L=9.0

8

70023

*

-

*

-

1

~tf*

NEEDLE BAR

8

70230

-

*

-

*

1

tt.ff 1/4

NEEDLE BAR

1/4

9

N3324

*

-

*

-

1

~t

DYX3

#24

NEEDLE

DY X 3

#24

9

N3324

-

*

-

*

2

!t

DYX3

#24

NEEDLE

DY X 3

#24

10

70025

*

*

*

-

1

~t.Ll::.clt.>td. L:.

SCREW

3/16X32

L=5.5

10

70025

-

-

*

2

~t.Ll::.clt.>td. L:.

SCREW

3/16X32

L=5.5

11

70030

*

*

*

*

1

17-Jt-

NEEDLE BAR LOCK FRAME POSITION BRACKET

12

15055

*

*

*

*

1

-(7-Ji.-.Ll::.clt.>td.L:.

SCREW 1/64X32

L=9.0

13

70024

**

-

**

-

1

itf*!rdf

NEEDLE BAR THREAD GUIDE

14

10534

-

-

1

tt.ff!fdit.Ll::.

SCREW

2.25X48

L=2.6

15

70006

*

*

*

*

1

~p;jf*

PRESSER BAR POSITION GUIDE

16

10761

1

*

*

*

*

~~f*.Ll::.clt.>td.L:.

SCREW

6.75X24

L=11.0

17

10538

*

*

*

*

1

:tfl3 ,;t.ff.)(-$1Jl- (J:.)

PRESSER BAR BUSHING (UPPER)

18

10761

*

*

*

*

2

:tfl3;t.ff..)(-$1Jl-.Ll::.clt.>td. t:.

SCREW

6.75X24

L=11 .0

19

70032

*

*

*

*

1

~.:t.ff~pq

PRESSER BAR POSITION GUIDE LEVER

20

10662

1

**clt.>tJ.t:.

PINCH SCREW

5/32X40

L=6.5

*

*

*

*

21

70033

*

*

*

*

1

~.:t.ffm~

PRESSER BAR UFflNG BRACKET

22

10545

*

*

*

*

1

:tfl3.:t.ffm~*WitJ.t:.

PINCH SCREW

11/64X32 L=14.0

23

10548

*

*

*

*

1

~.:tf*m~V.Ut.Ll::.clt.>tJt:.

SCREW

6.75X24

L=8.1

24

70034

*

*

*

*

1

~.:ttfm~~J~?"

PRESSER BAR SPRING BRACKET

25

70035

1

:tfl3.:t.ffm1J~?"**tJ.t:.

PINCH SCREW

3/16X32

L=13.7

26

10538

*

*

*

*

1

:tfl3 ;t*'..)(-$1Jl- ('"F)

*

*

*

*

PRESSER BAR BUSHING (LOWER)

27

70031

1

*

*

*

*

:tfl3.:t.ff

PRESSER BAR

28

70378

*

*

*

*

1

~3tfi*JI.-$f-

HOLDER

29

70114

*

*

-

1

1'}~?[_

LIFTING PRESSER FOOT

29

70270

-

*

*

1

11t£11 ?t. 1I 4

UFTING PRESSER FOOT

1/4

30

70379

*

*

*

*

1

iiP?t. ~*Jt-~t-.Ll::.&?td.t.:

l:l!NCH SCREW

3.4X36 L=10.0

31

20272

1

*

*

*

*

Wx ~*Jt--$1''-.Ll::.clt.>td.L:.-t-·:;t-

NUT

32

10677

*

*

*

*

1

'?·:;~""-

WASHER

33

70014

1

t!Udlt::{>*

*

*

*

*

LIFTING ECCENTRIC

34

10754

*

*

*

*

1

m~t::{J**WitJ.t:.

PINCH SCREW

6.75X24

L=16.0

35

70015

1

ti~

LIFTING ROCK SHAFT

*

*

*

*

36

10514

*

*

*

*

2

m~.){9Jt-

LIFTING ROCK SHAFT BUSHING

37

15053

1

m~t:::.--~t.:

SCREW STUD

*

*

*

*

38

10728

*

*

*

*

1

;m;t:!\

OIL WICK

39

10517

mflllt:::.--tJt.:+·;;t-

NUT

*

*

*

*

1

40

70038

*

*

*

*

1

<(7)!:f:il*6 (:1;:)

LIFTING BELL CRANK LINK

<O)!:j::

41

70036

*

*

*

*

1

LIFTING BELL CRANK

42

10559

*

*

*

*

1

<0) !:f:.Ll::.clt.> tJ t;

SCREW

4.5X32 L=8.0

*

*

*

*

1

<0) !:f:il*B(lj\)

VIBRATING PRESSER BAR CONNECTING LINK

43

70037

*

-

*

-

t:j:l:JIII.:tf*

44

70039

1

VIBRATING PRESSER BAR

44

70202

-

*

-

*

1

t:j:l:JIIIjttf

VIBRATING PRESSER BAR

45

10728

*

-

*

-

1

imii::\

OIL WICK

46

70113

*

-

*

1

t:j:l:tfl3;t

VIBRATING PRESSER FOOT

46

70250

-

*

-

*

1

t:j:l:flll_;t 1/4"

VIBRATING PRESSER FOOT

1/4"

47

141158

*

*

*

*

1

t:j:l:tfl3?t..Ll::.clt.>td.L:.

SCREW

11 /64X40 L=7.3

48

70219-02

*

*

*

*

1

71:/t.i-t.i-t= 114~

FINGER GUARD

114"

49

8111

*

*

*

*

1

71/"t.i-tJ'-t=.Ll::.clt.>td.L:

SCREW

1/8X44

L=3.6

*

*

*

*

1

5i*Bt::{Ja:

NEEDLE BAR ROCK FRAME

CRANK

50

70056

51*6t::{>***tJ L:

51

10754

*

*

*

*

1

PINCH SCREW

6.75X24

L=16.0

52

13134

*

*

*

1

;i*BtJ·;;t=~tJL:.

HINGE SCREW

6.75X24

L=12.0

*

53

10586

1

51*6 [J ·;; r:~tJ L:.-j-·;; t-

NUT

*

*

*

*

54

70373

*

*

-

-

1

J:.iaLJ~

NEEDLE BAR ROCK FRAME ROCK SHAFT

54

70055

1

J:.iaLJ~

NEEDLE BAR ROCK FRAME ROCK SHAFT

-

*

*

55

70188

*

*

1

)Wt\-(:f

VINYL TUBE

*

*

56

11876C

1

*

*

*

*

J:. ia LJ ~ji'(3i (*"D

SLIDE BLOCK COMPLETE

57

11877

*

*

*

*

1

J:.ia LJ ~1lJ 3fi

SLIDE BLOCK

58

11876

*

*

*

*

1

J:.laLJ ~1lJ 3fiC/ tJ l,

SLIDE BLOCK

STUD

59

10581

*

*

*

*

1

J:.~LJ ~1ii'J3fiC/~l.:.Ll::.clf.>~L:

SCREW

7/32X32

L=7.0

-4-

From the library of: Superior Sewing Machine & Supply LLC

5Rf!f~ I \~~:1-~)-

THREAD TAKE-UP LEVER, HAND WHEEL

36

	37	\
3529~\		~- 34
I	ell~	39
	32 ---

5

33

45

-5-

From the library of: Superior Sewing Machine & Supply LLC

~t~.. I \:,.t~':J'-1)-

THREAD TAKE-

UP

LEVER

HAND WHEEL

'

-I

I

No.

I

I

0

(")

~·QTY

$d1-~ 0

0

0

d1~

DESCRlPTlON

C\1

.!J

PARTS NO.

NI

.!J

(")

_J

co

.!J

co

co

00

co

00

00

<.'I

co

N

I

I

I

I

1

70018

*

*

*

*

1

~fl!

THREAD TAKE-UP LEVER

2

70019

*

*

*

*

1

~fl!t::,...

THREAD TAKE-UP LEVER HINGE STUD

3

11042

1

Jill it

*

*

*

*

OIL WICK

4

10571

*

*

*

*

2

~f!ltt:::..-ll:.d:!GL:.

SCREW

6.75X24

L=20.0

5

20172

2

7-.L...::f.L...~

CAP

*

*

*

*

6

70020

~f!ltm~

THREAD TAKE-UP LEVER DRNING STUD

*

*

*

*

1

7

10728

1

OIL WICK

*

*

*

*

;m~

8

70021

tttf)lif:a

*

*

*

*

1

NEEDLE BAR CONNECTING LINK

9

70017

*

*

*

*

1

??!1?-=E-~3/t.J.L...

NEEDLE BAR CRANK

10

10570

1

fftfl~d:!GC

SET SCREW 6.75X24 L=14.5

*

*

*

*

11

10524-G

*

*

*

*

1

f:!ifl~d:!GCll:.d:!GC

SCREW

6.75X24

L=6.5

12

10571-G

1

ll:.d:!GC

*

*

*

*

SCREW

6.75X24

L=20.0

13

10523

*

*

*

*

1

tt*'3miliat::!I

NEEDLE BAR CONNECTING LINK STUD

14

10726

*

*

*

*

1

Jill it

OIL WICK

15

10524

1

*

*

*

*

tt*'ilif:at:'!!ll:.d:!GC(:fi:)

SCREW

6.75X24

L=6.5

16

70016

*

*

*

*

1

tt*'ilif:at:'!!ll:.d:!GL:.(~l

SCREW

6.75X24

L=3.5

17

10563

*

*

*

*

1

J:..Uj.?fJL-(1fi)'J·:;~-v-

WASHER

18

70007

1

J:..Uj.?fJL-(1fi)

ARM SHAFT BUSHING (FRONT)

*

*

*

*

19

10729

*

*

*

*

1

idlit

OIL WICK

20

10725

*

*

*

*

1

J:$11tj.?fJL- (1fj) ?IJI.- 1--

OIL PAD

21

10571

*

*

*

*

1

J:..U)I.?f11.- <Ml ll:.d:!GC

SCREW

6.75X24

L=20.0

22

70013

*

*

*

*

1

lfljljl:tJ:"Ft.Jk

FEED DRNING ECCENTRIC

23

10639-G

*

*

*

*

1

$ jljl;tJ:"Ft.Jki:!i~~d:!GC

SET SCREW 1/4X32 L=8.0

24

10766-G

*

*

*

*

1

ll:.d:!GC

SCREW

1/4X32

L=7.0

1

25

70012

*

*

*

*

J:)li\iar:l•:;f-:'

LIFTING ECCENTRIC CONNECTION

26

70112

*

*

*

*

1

*~=¥~-

BOBBIN WINDER DRJVING GEAR

27

10766

*

*

*

*

2

ll:.d:!GC

SCREW

1/4X32

L=7.0

28

70009

*

*

*

*

1

J:..Ulf!FdJ;I.?fJL- (fiil

ARM SHAFT CENTER BUSHING (FRONT)

29

10725

*

*

*

*

1

J:..UIf! r~~, j.?f,~,.:;IJL-""

OIL PAD

30

10522

*

*

*

*

1

J:fdl$ rdJ;~.?fJL-ll:.d:!GC

SCREW

6.75X24

L=14.0

31

70046

-

-

*

*

1

*=¥~-

HAND WHEEL DRIVING GEAR

32

70040

-

-

*

*

1

j;;;:¥~-ll:.i:!if!~d:!GL:.

SET SCREW 1/4X32 L=13.0

33

12388

-

-

*

*

1

*=¥~-ll:.d:!GL:.

SCREW

1/4X32

L=13.0

34

35405

-

-

1

1]\:¥~-

ARM CROSS SHAFT GEAR

35

10658

-

-

*

*

1

ll':¥~-ll:.d:!GL:.

SCREW

1/4X32

L=5.5

36

10566

-

-

*

*

1

itiil~d:!GC

SET SCREW 1/4X32 L=5.5

37

10577

-

-

*

*

1

I \!li-!::f-1J-$t!Jll:.d:!GL:.

SCREW

6.75X24

L=11.0

38

70043

-

-

*

*

1

I \!;j-tj'-1)-IA\jiL'j.?fJI,.

ARM CROSS SHAFT BUSHING

39

10725

-

-

*

*

1

?Ill.-!--

OIL FELT

-

*

*

40

10519

-

*

*

1

1\/f-:'::f1J- -iit(,,j.?fJL-ll:.d:!GC

SCREW

6.75X24

L=17.5

41

35412

-

-

*

*

3

??•!f"f-A j'IJ/:fC!/

HAND WHEEL DISENGAGING SPRING PLUNGER

42

35413

-

-

3

??•:;"f-_7- j'l) !;:f

HAND WHEEL DISENGAGING SPRING

43

70041

-

-

*

*

1\!ll-=::f-1)-

*

*

1

HAND WHEEL

44

35407

-

-

*

*

2

";.,i-'7'-'J-7.·Jri\·-Qc

SCREW 1/4X32

-

45

70044

-

*

*

1

I\/ 1-!::f-IJ -??·:;"f-~

HAND WHEEL ENGAGING PLATE

46

12122

-

-

4

I \/f.'::f-1J-??·:;7-~ll:.d:JGL:.

SCREW

11/64X32 L=8.5

47

70042

-

-

*

*

1

/\!; f!j'-IJ -*tiJ

ARM CROSS SHAFT

*

*

48

70010

*

*

*

*

1

J:$11tlf!rl!l,;~.?r,~.- <~>

ARM SHAFT CENTER BUSHING (REAR)

49

10725

J:$111$1LV?!JL-?IlL-I--

*

*

*

*

1

OIL PAD

50

10571

*

*

*

*

1

J:*t~Jlflri!IV?t'JL-ll:.d:!GC

SCREW

6.75X24

L=14.0

51

15038

*

*

*

*

1

tttfiiMII:::'!!idl~

CAP

-6-

From the library of: Superior Sewing Machine & Supply LLC

_t~.. -;j'-1)- ACHINE PULLEY

ARM SHAFT. M

-7-

From the library of: Superior Sewing Machine & Supply LLC