Seiko STH-8BL Parts Book

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PARTS

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BOOK

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STH.SBLD STH.SBL

SEIKO SEWING

MACHINE

CO.,

LTD.

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INDEX

BELT GUARD
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GUIDE, NEEDLE

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No.

Fig.

1
2
3
4

D

6
7
8
9

10
11
12
13
14
15
16
17
18

19

20

z1

22
23
24
25

26
27
28
29
30
31
32
33
34

EE

36
37
38
39
40
41
42
43
M
45

f;ttF

Parts No.

10698
10699
10700
10650
10551
10682
10683
10759

10760
10685
10720
10679
10678
10792
10545
10689
10690

10650
10709
1

5062
10675
1

0789
1 5055

10791
10793
10694

10695

10697

10691

1

0692
1 0693
10704
10703
18004
18005

8100

6031-01

18030
18032

6034

6035

18852

10532
28206
37279

Ouantity

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1l

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1
1
1
3

1

2

1
1
1
1
1
1
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1

2

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Name of Parts

plate

Face

plate

Face
Face
Screw
0 : 1
Thread
Thread
Thread

Felt for thread
Thread
Tension
Tension release lever
Tension release lever

Thread

Tension

Thread

Thread

Set screw

Spool
Thread retainer
Tension

Tension

Set
Tension
Tension
Thread controller disc
Thread controller disc screw
Tension thumb nut
Thread
Tension release washer
Tension release spring

Arm

Arm cap screw washer

Arm

Arm

Set

Needle
Needle
Bed
Bed slide spring
Set screw
Edge

Screw
Tension
Tension thumb nut

set srew

plate

stopper

for

#10551

guard

guide
guide
guide

guide

release lever rod

controller stud

stud
controller spring
controller spring

for

pin

bracket
stud

screw for #10675

bracket
release

disc

screw

cap

cap
side cover

for

screw

plate
plate

slide

for

guide plate

for 18852

thumb

pin

(upper)
(middle)
(lower)

guide

screw

set screw

#10690

pin
plunger

#18005

set screw

#6034

nut

stopper

screw

stop

AR[,I

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SHAFT,

TAKE

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44

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48

3

-

ARM SHAFT,

r+fi

TAKE UP LEVER

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Fig.

10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31

No.

1
2
3
4
5
6
7
8
9

32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49

50
51
52

No. Ouantity

Parts

10571
10726
10527
1

8003
15026
1

0528
10728

1 0506
10724
10726
1 0523
10764
10524
10520
10522
10521
10563
1 8006

10729
10522
10725
10771
10566
1

8008
1057',|
10725
17014
10766

17011
18020
10766
18009
10766
17040
17041
10723
17017
17018
17019
17015
17016
17013

10571

13081

13423-8

10566
1

0504

1 0576

1 0579
10577

1 1879

10573

gBfrA

1
1
1
1
1
1
1
1

1
1
1
1
1
1
1
1
1

1
1
1

2

1

2

1
1

1

1
2

1
1

2

I

2

1
1
1

I

1
1
1

2

1

1
1

1

1

I

1
1
1
1

2

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(-h')

Set screw
Oilwick
Take

up
Thread
Take

up
Needle

wick for

Oil
Arm

shaft

Oiling

Oiling
Needle bar connecting
Set screw
Set screw
Needle bar crank
Screw
Screw
Arm shaft bushing
Arm shaft bushing

wick for

Oil
Set screw for #18006
Oiling
Lifting eccentric
Screw for #10771
Arm

shaft bushing

Set screw
0iling felt for
Arm shaft bushing collar
Set screw tor #17O14
Arm shaft
Feed lifting cam
Set screw for
Feed driving

screw for

Set
Feed fork
Oiling felt for #17040
Oiling

Arm

shaft
Set screw
Set screw
Gear cover
Set screw

Arm

shaft bushing
Set screw
Oiling felt
Stitch
Set screw for #13423-8
Balance wheel
Set screw
Set screw
Balance wheel
Lifting
Screwfor 11879

Name of

tor

#10527

tor

#10527

lever hinged

up lever

take

lever

driving stud

bar connecting

#15026

packing

oil
wick for arm shaft
wick for

{B)
(A)

felt

felt

length indicator

eccentric coller

#10523

(B)

for

(,A)

for

for

#10520

for

#10520

#18006

for

#18006

for

#18008
#18008

#18020

eccentric

#18009

collar

presser pin
gear
(A)for
(B)

for

(upper)

for

#17015

for

#17013

for

#17013

(A)

for

(B).

for

Parts

stud

link

stop screw

link stud

#10523

#10523

(front)washer
(front)

(middle)

(for

STH-8BL)

(spiral)

#17017

#17017

(rear)

#10504
#10504

adjusting screw

4

,

NEEDLE

fitffi.-hEursffi

BAR, FEEDING MECHANISM

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NEEDLE

BAR,

FEEDING MECHANISM

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Fig. 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
40
41
42
43
M
45
46
47
48
49
50

Parts

10557
10558

1 0556
15060
10553
10554

34713

10662

30032

10519
10517
10515
10514

10754
16505
10775
10703
10774
10776

10772
10773
10525

1875

1
't1874

10532
10531
10726
10560
10561
1

0530
10534
10535

10533

6332
11877
1 1876
10581
17048

6026
18016
18532
18017
18018
10519

8105

151
15117

8100

't0728
11879

10573

No.

18

Ouantity

1

1
1
1
1
1
1
1
1

I

1
1

2

1
1
1
1

1
1

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1
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Name of

Lifting bell crank link
Lifting

bellcrank
Presser
Screw for
Vibrating
Presser bar extension spring
Vibrating
Screw
Vibrating
Screw

Nut

for #10519
Lifting rock shaft
Lifting rock shaft bushing
Clamp screw
Connecting crank
Screw

Washer for #10774

Connecting
Wing nut

Lifting eccentric connection
Needle
Screw
Hinged
Needle
Set screw
Needle
Oil wick for #10531

Position

Set screw

Needle bar

screw for

Set
Needle set screw
Needle
Needle DPx17
Slide block
Slide block stud
Screw
Needle
Nut
Connection
Connection
Connection rod
Hinge screw for
Set screw for #18016

Nut for
Vibrating
Vibrating
Screw for 15108

wick for 15107

Oil

Lifting eccentric coller
Screwfor 11879

connecting link

bar

#10555

presser

presser

for

#30032

presser

for

#'10515

lor

#10774

collar

for

bearing

for

#10536

stud

rock frame

bar

for

connecting stud

bar

bracket

for

thread

bar

for

#17048

rock frame rock shaft

bar

(upper)

for #18017
(for

(for

#18018

presser
presser

for

#10772

#10531

#10560

#10533

#22

Parts

extension

bar

bar

fo,ot

#10751

tor

#10772

guide

STH-8BL)
STH-8BLD)

#18017

bar block

guide

bar

6