Seiko DN-28-AP User Manual

Si

.E I

IIC

D

J\-'Y

PARTS LIST

DN-8-AP

1

)A"

I

DN-28-AP

• SEIKO SEWING MACHINE CO.,

LTD.

INDEX

Pages

[M~,

FACE

_1::~,

ARM

~*'ID~l7-~~

ROOPER TENSION, THRAD GUIDE

J:~"Jf~JUl

UPPER FEED MECHANISM

J:.flb,

ARM SHAFT, MACHINE PULL Y

tfll~..l:.

PRESSER BAR LIFTER

~*lh

BED

:t.JJ\-

PLATE.

*~7-~~

TOP COVER, TENSION • THRAD GUIDE

COVER

" • • • •

II

• • • • • e • • • • e • • • • e • • • e • • • • • e e • e • • ' • • • • • • e • • • • • • • • • • • e • • e 1 1 2

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3, 4

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

fit~??:,.,?,

NEEDLE BAR CONNECTING LINK,

-:1'-•)-~-f*

rtoo~

. • • . . . • . . . . . . . . . . . . . . . . . . .

SHAFT

~I.J:t.JA,

tf*f±.g.

...................•.........................................

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

..

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7. 8

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

FEED

-·

. . . • • • . . . . . . • . . • . .

~

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

DRIVING CAM

..

. . •

..

NEEDLE BAR ROCK FRAME

••

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

..

·:

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

••

• • • • . . • 15,16

5, 6

9,

10

11,12

13,14

.•••..•..•.....•..•..••••••••••••••••••.•••.•••....•••••••••.•••••.....•••

FEED MECHANISM

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

SPREADER DRIVING MECHANISM

)t,-J~

ROOPER

.:r.?-:JII!;tt~m

AIR PRESSER MECHANISM

f>t

».i

~

1

ACCESSORIES 1

f>t

Ji

.§b

2

ACCESSORIES 2

,

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

.

• • • . . . . . . . . • . . • . •

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

..•.•••..•.••.•••••••......................•••...••..•...•..•..........•..••....•

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

.. ~ .•..................•.......••

•.

. • • • . . . . . . . . . . . . . • . . . . . . • . . • . . . . .

~

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

. 17, 18

19,20

21

. 22

23,24

25,26

27,28

. .

iii~

..

_

~-C~E~P~~~TcE,

1JJ'\-

14

CO

,

__

V_E~R--~.~-------------

-=~------------------------

t

31

--

12

16

20

\

15

1

~-

d2

23

.-.&.

.&.

•

20-7

0

FACE

No

.

1

2 ·

3

4

5

6

1

6 9

10

11 12 13

14 15

16

17 18

19

20

21

22

23

24

25

26 27 28

29

30

.

31

PARTS 24603

15038

20009 24604 4098

11044

20007 20008 20171 1437 24621 23338 24605 18085 24670 20275

20552 20557 20207

20502

20209 10597 12418 20276 20216 10561

20211 20213 20210 10561 10674 20218 20170

1704

PLATE

sa~•~

co

No

• • •

•

* *

*

"'

* * *

• •

*

* *

*

•

-

•

-

•

*

•

'

• •

•

"'

•

"'

COVER

a.

co

~

N

c:b

•

*

•

*

•

*

•

*

..

* *

*

•

*

•

*

-

*

-

•

-

"'

-

•

-

•

"'

•

"'

•

*

•

*

•

*

•

*

•

"'

...

•

-

•

"'

* *

*

* * *

•

*

•

Q.

<(

I

D)

"'

•

*

•

...

*

"'

*

* *

"'

QTY

1

2

1

2

2 2

1

3

1 1 2 1 3

1

1 1

2

4

6

. 3

1

2

1

1 2

1

1 1 1

~~

ooti

00

t«

::fl

..

iBitfittn~~~

ilit«~~

iiD~~~~.!l:d.>:bt:.

liJi

tfi

(;f;QJ.td.> imtfil;tQ iiD

tfi

l;f

7-k.::!L..~

::t-1

JL-1.J":~:1(1/4)

Kt

-~""1'7"11"·-1!,~

*-~~~-1:11J,\-

7-k.

7

-1..

'"'';I

t-=

1:.

SH!i

tf-ti(114)

ti-~(3/4)

~l..t~(fil)

~L~CtiD

~

L:tli

~

L:tli

JJ:d.>:bt: JJ:d.>nt:

af)(i;Ui

JJ:~~c

~L~~;..t:::,...

MIL~~:--.A::t•J::...-~

~L~~:--±~

J.l:.d.>t.l~

MIL~~::...-JJ:.t:::--

~·:~j:

?':r-:~7-~J\ti

7-

.b:::J

7-1..

Q

L:

tl.!l:

t«

!liii:IJJ\-

Wim1.JI

,_

1&

· rt:b.

· li:b. J.td.>tll:

k.rl.

Wiii1.JI\-

J.tGl:(..t) J.td.>:bt:.

.l1:1\?Q~

FACE

PLA.TE

FACE

PLA.TE

FACE

PLA.TE

·

FACE

PLA.TE SCREW SCREW FACE

PLA.TE FACE

PLA.TE ARM

HEAD

OIL

CUP

LOOPER SCREW

ARM

SIDE

SCREW BED

PLATE

THROAT

THROAT THROAT

BED

SUDE PLATE COMPLETE

BED

SUDE PLATE COMPLETE

BED

PLATE SUDE

SCREW

SCREW STOP PLATE SCREW

FEED

REGULATING

ECCENTRIC ADJUSTING SPRING FEED

REGULATING STUD SOCKET SCREW SPRING

PLUG PLUG

SCREW

CUSHION 'NEOPRENE HINGE STUD

M4XO. 7 L=3

1/8X40

HINGE HINGE

PLUG

(1/4'") THREAD

M5X0

.8

COVER

11/64X40 L=8.5

PLATE

1/8x40

3/16X30 L=7.0 11

/64X32

11/64X32 L=6.5

11/64X40

PARTS

STUD

.3

L=8

.5

BAR BAR

TUBE

L=7

.4(UPPER)

SPRING

L=3.3

L=6.5

STub

NAME

SPRING SPRING

COVER

3164X32

'

SUPPORT

COMPLETE

l=S.O

2

-

.J:Ui

ARM

...

kt51=fiUHi

TOP

COVER,

29

TENSION

..

THREAD GUIDE

34

~

8-30

.

31

~3

3

..t fli

ARM

No.

MBii~

PARTS

1

20018C 20018C

2

153672 153672

3

20021 20021

4

143657 143657

~

~H!.Ff

TOP

COVER

CX) <

N_Q_

•

-

•

-

•

-

•

00

a.

co

•

-

•

-

•

-

•

~

I

- -

..

TENSJON,THRAD

0..

~

"'

-

*

"'

-

•

-

•

QTY

1

2

1

2

1

2

J::. J:HtDFf

..t.Hta.:ro-v-,t--7·.:~1--

J::.*

kt&fi~7·.:t~

*

i!%V!.A:f•J:,.,-1Ji~

ilii'*.A:f•J

co

N

-

•

- - 1

•

-

•

-

•

GUIDE

~~

*

Dll~

til

Ul

..

~O-I..r;tl--j"·;~J-.

I.IJ7-7·;t~

/-1il~

NEEDLE NEEDLE

THUMB THUMB

THREAD THREAD

THREAD

NUT NUT

TENSION TENSION

PARTS

TENSION TENSION

SPRING SPRING

NAME

COMPLETE

REGULATOR REGULA

BUSHING BUSHING

TOR THUMB

THUMB

NUT NUT

5

20024

6

20020 20020

7

20019 200t9

8 t50326

t503211

9

20025

10

20029

11

6603

12

20054

13

6031-D1

14

23803

15

23832

16

20030

17

37269

18

4514

19

20035

20

20036

21

4098

22

20026

23

23839

24

20031

25

23840

26

20027

27

20033

28

23350

29

20050

30

50154

31

23825

32

20053

33

6025

34

23823

35

23825

36

6025

37

23824

*

-

•

*

..;,.

-

*·

•

-:-

-

•

-

•·

*

-

•·

•

-

•

* *

•

*

...

•

*

•

• •

•

*

•

*

•

"'

* *

•

• •

•

*

•

*

•

* * *

*

"'

*

•

*

•

*

•

*

• •

*

- -

•

-

* *

-

•·

-

•.

-

*

-

•

*

•

*

•

* *

•

• •

*

•

* *

• •

•

*

...

•

*

...

*

•

*

•

*

•

* *

•

*

•

,

ill/f!SP

2

iiJ/f!SP

1

11.-DD.

2

11.-DD.

2

M.:r-.rm.

4

1111-=fmt

1

..t.Rtm.:r;c.;•

2

..t.RtUJ.:r-g•

1

Rti1-T-.Rttl-

2

*-111-T.~Ht

1

iftif>{,!V)i::!:,.

2

ktif>~t.»t::.-

4

J:.&.JJ:

1

r:Rt~ttttlt(J:.)

2

r:

1

..t.~

1

...t~J<·.:t~/

2

Rtf'PQ!V).flk:!!

3

Rtf'P{>at.>lfl:!e!I:.N>:bC

2

Rtif>~!V)-J.I:.JCta

1

mi..JA:t•J:.-.,-

1

tt:bjfp;i;b7-

2

l;f:bttJI;t1J?-

1

Rtif>.{)N>tlll

1

~A.,·;tt::1'-~

1

~H~QN>~

1

Rtif>.Q!V)~fi'*-~

1

*if>l.t.>tdit::.-

1

Rtif>

1

~A

1

..tktRtWtf

1

..t:.ktRt!iUf7·:~~

1

7-.L.....tRtst-

1

7-.L....t:.RtW!I:.BI!fl

1

7'-.L..J::.Rttfll:

1

J:.Rtl'i~i!i

1

..tkdli~

1

..t.Kt~~m.JJ:.N>:bt:.

1

tt-1*ta~J:.Rt~i1'1

{

:t:

~UJD

{

:t:

RdJJ)

RtkttlHt

JJ:.at.>:gc

Jl:N>:bl:

{)at.>~

.A

1--·::u

f-•!1

I (

-Jl:~t;l

(~*If)

PI

tli<

1fi)

<-

1.:

THREAD THREAD

TENSION TENSION

THREAD THREAD

TENSION TENSION

SCREW

ARM

TOP

ARM

TOP NEEDLE SCREW RETAINING SPRING COLLAR SCREW NEEDLE STUD

SCREW

NEEDLE HINGE

SCREW

PIN ROD

LEVER HINGE NEEDLE NUT NEEDLE WASHER SCREW

NEEDLE NEEDLE SCREW NEEDLE

TENSION TENSION

DISC DISC

TENSION TENSION

GUIDE GUIDE

RELEASING RELEASING

9/64X40

COVER COVER

THREAD

M3X0.5

SCREW

l=6.0

RING

M4XO. 7 l=3.3

THREAD

STOPPER

M3X0.5

THREAD

11/64x40 THREAD THREAD

11/64x40

THREAD

SPRING SPRING

RELEASE RELEASE

STUD STUD

PIN PIN

L=19

GASKET

TENSION

l=7.5

GUIDE

(ARM

GUIDE

L=12.0 GUIDE GUIDE

L=12.0 GUIDE

DISK DISK

BRACKET

RELEASE

TOP)

ROD

LEVER

4

1'

RtUFF-110

LOOPER

TENSION , THREAD. GUIDE

fi

11

8~

~~10

5

1'

*'

IDiJ

-T-

LOOPER

No.

811.?a3~

PARTS

1

12418

2

16287

3

20228

4

12418

5

23340

6

20351

1

12740 20227

8

9

16287

10

12418

11

20223C

12

38014

13

20223

14

20224

15

20226-o2

16

20225

~

f,~

TENSION~

00

No.

*

* *

*

* *

*

- -

* *

-

*

-

*

-

* *

-

...

- -

LOOPER THRAD GUIDE

c..

CX)

<(

I

N

co

*

•

* *

*

...

* *

*

- -

*

-

*

-

*

-

*

-

"'

-

"'

-

"'

- -

"'

*

c..

<(

QTY

I

"'

*

...

"'

* *

-

*

- 1

*

-

*

-

2

*

2

*

..

~~

1

)1..--J

\-*~~l.t.NJ:bt.:.

t

Jl..--1<-*-~~l.t.

1

)1,-J\-kt*~

1

""F**-ttt.Ltd.>nt:

1

""Fkttf-ttt

1

l'*~"

1

l'*'~ff.Ltd.>:bl:

1

l'*il

1

""F

*-lilt?·;~:.,'\'-

1

""Fktil..tt:bt:

1

""F

*-PI-T

2

""F*-117-

1

""F

ktJ.IFf~HJJ-

2

'"FktPI-=f*-tf

Hi

ffl

?·:J:.,-'{'-

""F*-Pl-T-

2

'"FKtllll.:r.-

2

'"F

RdJ!I

.:r

JIB.

4

""F~IIH·.IDI.

1

i/A~"A":f

ilM!"A

1

1'

'"F

1

J!.I~

CF)

:I

IJ

~"./

(1')

*Dl-=f-1-·:J""

*~t~.:rr;~f-.

SCREW WASHER

LOOPER SCREW LOOPER LOOPER SCREW LOOPER

WASHER

SCREW LOOPER

LOOPER

LOOPER LOOPER

TENSION TENSION

THUMB THUMB

PARTS

13/64X32

THREAD

13/64X32

THREAD THREAD

L=9

GUIDE

L=9

.0

GUIDE ' UNDER

TAKE-UP

11/64X32 L=8.0

THREAD

13/64X32

THREAD THREAD

TENSION TENSION

THREAD THREAD

DISC

SPRJNG

SPRING

NlfT NlfT

GUIDE

L=9.0 TENSION TENSION

THREAD

TENSION TENSION

NAME

.0

'

RT'

COVER'

ROD

.

COMPLETE COMPLETE

GUIDE GUIDE

STUD STUD

6

J:J!!.JUft~

UPPER

FEED

MECHANISM

1

9

'--.,.10

33

47

48

~eyr

49~

50

7

_t~L)tf~

UPPER FEED MECHANISM

No.

sa•tt

PARTS No.

I

24642C

2

13085

3

28076

4

4019

5

24648

6

24638

7

10726

8 24649

9

24643

10

802G-01

11

24646

12

20254

13

24649

14

24637

15

24638

16

10726

17

10726

18

24638

19

24634

20

70035

21

24639

22

50230

23

17342

24 24629

20105-A

25

26

23637

27

24622

28

24624

29

24628

30

10726

31

24626

32

24631

33

24662

3.(

24660

35

24658

36

11176

37

24657 28120

38

39

18729

40

4143

41

50101

42

24632

43

24627

44

18829 18973

45

48

24619

47

24618

48

18085

49

24616 24701 24703

50 24617

24702 24705

51

18085

200351

52

• •

•

• • •

*

•

*

•

*

•

* *

•

*

•

• •

•

• •

•

*

•

• •

*

•

• • •

• •

•

• • •

•

-

•

-

*

•

• • •

•

• •

•

• •

•

• •

•

• •

•

• •

•

• •

•

*

•

• •

•

*

•

*

•

• •

•

*

•

*

•

*

•

• •

•

*

•

-

•

-

• •

-

•

-

•

-

• •

-

• •

•

*

QTY

1

•

2 m fl!l:tr5-Jt

•

2

•

2

•

1

•

I

•

1

•

1

I

*

1

•

1

•

1

*

1

•

1

*

1

•

1

•

1

2

•

1

•

1

•

2

•

1

2

•

2

•

1

•

1

*

1

•

1

•

1

•

1

•

1

*

1

*

1

•

1

•

1

•

1

•

2

•

1

•

1

•

1

•

1

•

1

•

1

•

-

•

1

2

&b~

mf!

CW>

d)

:G

c.

mf.dl::5t.;t"f:lJtd):Gt.:.

..t

""F~!EIIJSl:lt

..t

""F

Ciel

~ill

Sl:

It~

d)

;Q

1.:

..t

""Ffl!l~IIJ~Itt::"~

..t

""F~Q:Iti~ltt:"~;}!J~

mf111::5t.;t

mflll:1(:xii"

4!•:1(:xii"t::~

..t.l'flb·lb~lt

mfiln7-

~~U!II~.;t

iiMCtf:l)

ilfat::~ iiMt::~~t.\

itfat::~~b

ilfilit::~

iiMCl')

ifNi

iiMt::~.Jl:~tlt:

~Hfil

~~~t~.Jl:~Gl:

~~~t~

..t.l'

.Jl:~tll:

J:.l'if*S#

..t.l'il*ii#x¥-lt::~

~71)~.,.~

*Mlx~..t.l'

*Mlx•..t.1'?7~?

~pi:J1f

7\:~f;!tl

Ml~J:rf

j;:~lttl~lt

M~x..t.rfv,

MlxJ:.rfv,

M!x..t.rfv,\-Ji.J*i~tlt:

t:"~tll:

t:::~tll:t--;~1-j;:~lttl~ft

M~x~*P-J

*Mix•

M~x~~l'ltiti~Gt:

tlll~~*l'l.Jl:~tll:

&:PM~x~t:~tlL:

~Mlx.CHD

&:PM~xMcY:>tlt:

tf:ltlllx lFMix

*Mix

*~;l(l/4)

*MlxC3

*Mlx*i~tlt:

~J1;!-.Jl:d>Gl:

1:l"?

'J> 1

1:l"7'J

Cl') x ~ J:.l'

ilfili

~?

Md:>tlt:

'77~?

.g.~

7')

~.,-

?7~?~l.;

_

v,

\-?7~?<f1D

\-Ji.J.Jl:~tlt:

\-llil

.Jl:~tll:

~M!x(1/4)

(3/ 4)

/ 4)

.Jl:d:>G

LIFTING

SET

SCREW

HINGE OIL BEARING

UmNG

HINGE

UmNG

COUAR

BEARING UmNG HINGE

OIL

HINGE

UFTING ECCENTRIC CONNECTlON(LOW)

PINCH

L:

SCREW

BALL BLOCK PLATE

BEARING PINCH

UFTING ECCENTRIC CONNECTION BLOCK

HINGE BEARING BALl..

OIL

PRESSER BAR ECCENTRIC

PRESSER BAR PRESSER BAR SPRING (FLAT)

PRESSER BAR UFTER UNK COMPLETE PRESSER BAR SPRING BRACKET

SET PRESSER BAR UFTER BRACKET PINCH

HINGE NUT

PINCH

ROCK

SHAFT

SCREW

WICK

WICK WICK

WICK

SCREW

PRESSER BAR PRESSER BAR

SCREW PINCH VIBRATING PRESSER BAR COMPLETE PINCH

VlBRA TING PRESSER FOOT VIBRATING PRESSER FOOT

VIBRATING

UFTING PRESSER FOOT

UFTING PRESSER FOOT UFTING PRESSER FOOT

PINCH SCREW 3/ 16X32 L=9.1

13/64X32 L=4.3

M6x1.0 L=18.0

M5x0.8L=12.0

ROCK

SHAFT

ROCK

ECCENTRIC CONNECTION (MIDDLE)

SCREW

3/16X32 L=5.0

M3x0.5 L=4.0

SCREW STUD

7/32X32 L=5.5

SCREW SCREW

1/4X28 L=13.0

SCREW

9/64X40 L=5.0

SCREW

SCREW 11/ 64X40 L=8.5

PRESSER FOOT

SCREW 11/ 64X40 L=8.5

PARTS

SHAFT CRANK COMPLETE

3/16X32 L=13.7

1 I 4X28 L=7 .5

POSmON

M5x0.8 L=9.3

POSffiON

9/64X40 L=7.5

NAME

COMPLETE

BRACKET

UNK

GUIDE

GUID

E BRACKET

8