Seiko STH-8BL, STH-8BLD User Manual
PARTS BOOK
Superior
Sewing
48 WEST 25TH STREET
NEW
Machine & Supply
YORK, N.Y 10010
LLC
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INDEX
pages
THREAD TENSION, GUIDE, NEEDLE
*~f-
ARM
.
itt&
SHAFT, TAKE
UP
LEVER
J:.m.7CH
NEEDLE BAR, FEEDING MECHANISM
iHf.
PRESSER BAR ··························
J:i!
• J
~1~
·········
·······
··········
ifllx•
LOWER FEEDING MECHANISM .
"Fia•J
FEED
i!•J~in
!Ulil
REGULATOR ···············
·····
···········
..................
··················
PLATE
····
···
·········
·······
······
...
........
······
····
............
.........................................................
··································
·························
...............
········
...
........ :......
··················
···········
····························
........
·············
········
··············
......................
······
········
········
···········
.......
·········
····
·······························
.....
·············
···
·····················
....
...
....
.......
.......
···················
...
..........
.....
1,
2
3,4
5,
6
···
7,
8
...
.....
9,
10
···
11,
12
ARM
SHAFT (UPRIGHT), LOWER SHAFT ·····················
.ll:*di."Fflll
LUBRICATION ·······
~)dl
-
BELT GUARD
-"\'
JL-
1--
:;lj-
ACCESSORIES .......
J7
?
-tz
'if ') -
.-HOOK ··························
1-"'
7J
y
···············
.....
..........
·····
··············
..................
....
·············································
···
····
···
·······
····
······
··········
·········
····
············
······
·······
·······
··········
··············
······
·········
......
....
.......
...........
...
....
...
...........
····························
......
....
.......
.................
··························
···
···
........
·······
······
··············
....
.......
························· 13, 14
········
···
············
.........
···················
··············
.....
.........
15,
17,
19,
16
18
20
THREAD
TENSION,
GUIDE, NEEDLE PLATE
*'~-=I-,
~tm:
.
33
19
~r,
13
11
I~
5 \ I \ 21 I
I
~
20
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y
32
44
9
34
3
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18
28
41
"
~
36
40
23
24
25
/G)~
42
I
~
I
43
39
1
THREAD TENSION, GUIDE, NEEDLE PLATE
*miJ-T-·ttti
Fi11:. No.
I
2
3
4
5
6
7
s
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
Parts
No.
10698 I
10699
•
8093
*
10700 I
10650
•
8100
*
10551
10682
10683
10759-A I
10760
10685
•
19510
*
10720
10679
•
19422
*
10678 1
10792
•
19512
*
10545
•
19518
*
10689 1
10690 1
10650
•
8100
*
10709 1
15062
10675
•
19421
*
10789
•
19511
*
15055
•
18085
*
10791
10793
10694 I
10659
•
* 8118319
10697
•
19534
*
10691
•
19531
*
10692
•
19532
*
10693-A
•
J.9533
*
16704
•
12384
*
10703
18004 1
6031-Ql
18030
18032 1
6034 1
6035 2
18852
•
18495
*
10532
•
37254
*
28206
37279
•
19513
*
30046 1
Ouantrtv
I
I
1
I
I
I
3
I
2
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
2
1
1
2
1
1
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Name of
Face
plate
Face
plate
set
Face
plate
stopper
Screw
for
I#
I 0551
Oil
guard
Thread guide (upper)
Thread guide (middle)
Thread guide
Felt for thread guide
Thread guide
Tension release lever rod
Tension release lever
Tens
ion
release lever
Thread controller stud
Tension stud
Thread controller spring
Thread controner spring stop
Set
screw
Spool
pin
Thread retainer
Tension
Ten:sion
Set
Tens
Tens
Thread controller disc
Thread controller disc
Tens
Thread disc
Tens
Tens
Ann cap
Ann cap
Ann
Needle plate
Needle plate
Bed slide
Bed
Set
Edge guide
Screw
Tens
Tens
Screw
bracket
:stud
screw
ion
bracket
ion
release plunger
ion thumb nut
ion
release
ion
release spring
screw
screw
cap
slide spring
screw
plate
ion
thumb nut
ion thumb nut
screw
(lower)
screw
set
screw
pin
washer
washer
set
screw
Parts
pin
screw
screw
stopper
a
FOR
wTHw
SERIAL
NUMBER
MACHINES * FOR
wSHw
SERIAL
NUMBER
2
MACHINES
I
B
I
2
I
25
I
~
27
I
•
43
\~"---27
~
2642
23
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3
ARM SHAFT, TAKE UP LEVER
...t.-·xn~fl
Fi2. 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
Parts No. Quantity
•
•
•
*
•
*
•
*
•
*
•
*
•
*
•
*
•
*
•
*
•
*
•
*
•
*
•
*
•
*
•
*
•
*
•
*
*
*
10579
10726 1
10527
18003
15026
10528
10728
10506
19504
10724
10726
10523
10764
19418
10524
19417
10520
19414
10522
19416
10521
19415
10563
18006 1
10522
1786
10725
10771
19427
10566
19508
18008
10579
10725
17014
19506
10766
23637
17011
17132
18020
19521
10766
10828
18009
19528
10766
n637
17040
17041
10723
17017
17018 1
17019 1
17015
17016
17013
10571
10579
13081
10504
18470
10576 1
10579
10577
19505
10729
11879
10573
1
1
1
1
1
1
1
1
I
1
1
I
1
1
1
1
1
2
1
2
1
1
1
1
2
'1
1
2
1
2
1
1
1
1
1
2
1
1
2
1
1
1
1
1
2
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Set screw
Oil wick
Take up lever hinged stud
Thread take up
Take up lever driving stud
Needle bar
Oil
Ann
Oiling wick
Oiling wick
Needle bar
Set screw(B)
Set
Needle bar
Screw(
Screw(A)
Ann
Ann
Set screw
Oiling
Lifting
Screw
Ann
Set screw
Oiling
Ann
Set
Ann
Feed lifting cam
Set screw
Feed driving
Set screw
Feed fork
Oiling
Oiling
Arm
Set screw(A)
Set screw(B)
Gear
Set screw
Ann
Set screw
Oiling
Balance wheel
Set screw(A)
Set screw(B)
Balance
Oil wick
Lifting
Screw
4
wick
• FOR
"TH"
SERIAL NUMBER MACHINES
* FOR
"SH"
SERIAL NUMBER MACHINES
Name
of
Parts
lever
connect
shaft
oil packing stop screw
for
connecting
screw(A)
crank
B)
shaft
bushing (front) washer
shaft
bushing (front)
felt
eccentric
shaft
bushing (middle)
felt
shaft
bushing collar
screw
shaft
collar
felt
felt
presser
shaft
gear (spiral)
cover
(upper)
shaft bushing (rear)
felt
wheel adjusting screw
eccentric
ing link
arm shaft
eccentric
pin
caller
link stud
NEEDLE
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BAR,
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FEEDING MECHANISM
42
12
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