J\-'Y
1
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PARTS LIST
LDA-L26-1
LDA·-T26-1
•
SEIKO
SEWING
MACHINE
CO.,
LTD.
>
/
Pre
sse
r Bar and Thread
Feed Mechani sm and Needl
Cutter
. . . . . . . . .
e Guard
§
;j!_
CONTENTS
.. . ..
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1, 2
Page
3, 4
J~-,\-#.!U
Looper Mechanism
Uprig
ht Sha
..t~
,
Arm
Shaft
Needle
~
ft
and Lubrication
-:J-1)-
and Machine Pull
Bar
and
Thread Take-up
"F*ttl
Bed Rotary
)~-J\-*dil·
Looper
J~-,\-~Hil-
Looper
Needle Thread
Shaft
Thre
ad Guide
,
~J~t--:fi-~*i*
Thr
ead Guide and Be
Guide and Tension
...... .. ................
Sys
tem
. . . . . . . . . .
ey
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15,
..
. . . . . . .
......
........
..
. . . .
..
. . . . . . . . . . . . . . .
...
...... ·.·
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17. 18·
lt
Guar
d
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
5,
7,
.. . 9,
11, 12
13, 14
9,
6
8
10
16
20
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Arm Top
Oil Rese
Accessories
~·;;t-::t.JJ
Fa
ce
Plat
e and Bed Cover
Cover
rvoir and
it~~
Part
s Available
7
--:/
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Gau
ge
Part
7-
-:/~~2
Gau
ge
Parts
s 1
2
\-
and
Oil Rese
at Extr
. . . . . . . . . . . . . . . . .
. . . . . . . . . . . . . . . . .
Thr
ead Guide Cover
. . . . . . . . . . . . . . . . .
rvoir
Screen
a Char
ge
..
. . . . . . . . . . . . . . . . . . . . . .
... . ..
. . . . . . . . . . . . . . . . . .
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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29,
. . . . . . . . . . . . . . . . .
. . . .
. • • . . • . . . . . . .
..
. . . . . . . . . . . . . . . . . . . . . .
..•
. . . .• . .
. . . . .. . . . . .
...
. . . . . . . . . . .
21.
23,
25,
27,28
31,
22
·24
26
30
32
33
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Presser
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Bar
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A
and Thread
Cutter
9
16
6
4
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NO
.
PART
NO
1
100802
143510
2
3
100807
4 146676
5 100161
146609 .
6
100110
7
8 146620
9 416024
10 100624
11
168003
12 143511
13
150225
14 139181
15 143524
141008
16
17 151614
18 132833
19 175032
146159
20
21 146694
101057
22
23 146751
24
101133
25 416116
26 8040
8040
27
28 139462
29 372210
30
146752
31
154872
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Presser Bar Lifti
Screw 3/16X28
Presser
Screw 9/ 64X40
Connecting
Tension (needle thread ) Releasing
Set
Screw 11/ 64X40
Releasing
Spring
Screw 3/ 32X56
Thread Cutter (
Thread
Thu
mb
Screw 1/2X28
Nut
Guide Pin
Washer
Presser
sse
r Bar Lifting
Screw
Presser
Set
Screw 15/ 64X28 L=3.8
Presser
Screw 9/ 64X40 L=8
Screw 9/ 64X40 L=8
Presser Bar
Finger Guard
Presser
Tens ion (needle thread) R
DESCR
5/ 16X24
Bar Lifting Le
Bar Lifting L
Lin
Shaft
Cutter Sup
Bar Spr
11
/ 64X40
Bar Bushing (lower)
Bar St
Bar Stop
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L=9
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L=7.9
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NO
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PART
1
132381
2 132382
3
100193
100223
4
6 100443
101520
7
8 134737
9 143448
10 100914
11
100172
150328
12
13
151061
100217
14
107071
15
16
416071
143450
17
18
139432
19 143451
20 139046
21
122163C
NO
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SCRIPTION
Needle Guard
Needle Guard Holder
Screw
9/ 64X40
Screw
1 / 8X44 L
Set
Screw
Nut
Feed
Bar Hinge Pin (eccentric)
Feed
Bar
Screw 11/ 64X40 L=8.7
Screw 11/64X
Feed
Regulating Screw 7/ 32X32
Set
Screw
Sc
rew 9/ 64X40
Washer
Feed
Eccentric (aqjustable) Ass embly
Slide Block
F
eed
Lifting
Slide Block
Feed
Driving Flange A
L=6.4
=5
15/ 64X28
15/ 64X28 L=8.5
Eccentr
L=9.97
40
L=9
.9
L=4
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ic Forked Connection
ssemb
ly
:
4
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15
41
37
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NO
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PART
1
143646
2
143614
3
1011
33
4 143551
5
143485
6
143552
100443
7
8 143486
11
143484
12 101057
101057
14
15 139097
16
101047
19
103859C
20 8103
21
143454
21
143454-1 -
22
100226
23
143459
24 143460
25
143458
143455
26
27
100456
28
416074
29
101324
30
416075
31
143483
32 139065
33
139064
34 139074
35 143463
36 100446
100446
37
38
139534
39
151
369
40
8042
41
416043
10828
42
43 416091
43 416092
46
6046
47
143644
48 103860.P
49
143462C
51 139535
52 143461
52
143621
53 143456
54 139257
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Screw 15/ 64X28
Oil
Seal (rubber)
Bushing (front)
Lo
oper Holder Shaft Bushing (back) Assembly
Set
Screw 15/
Bushing (back)
Looper Holder Shaft
Screw 11/64X40
Screw
11
/64X40
Looper Holder Shaft Collar Assemb ly
Set
Screw 15/ 64X28
Loop
er
Dri
ving
Set
Screw
11/
Lo
oper Avoiding Eccentric
Looper Avoidi
Screw 3/32X56
Slide Block Cover (back)
Slide Block
Forked Connection
Set
Screw 15/ 64X28
Forked Connection Bracket Assembly
Screw
11
/ 64X40
Forked Con
Looper
Hinge Pin
Connecting Link
Slide Block
Slide
Set
Set
Hinge
Screw 11/64X40 L=9.5
Screw
Looper Eccentric Collar and
Set
Looper Eccentric and
Looper E
Set
Bed Rotary Shaft Bushing (left)
Looper E
Looper Eccentric Connection Assembly
Looper Eccentric Collar and
Looper Eccentric and
Looper Eccentr
Forked Connection B
Forked Connection Crank
nection Crank Assembly
Hold
Blo
ck
Screw 15/
Screw 15/ 6
Stud
11
/ 64X40 L=5
Screw 1 I 4X40 L=5
ccen
Screw 15/64X28 L=17
ccentr
DESCRIPTION
lt,
lower)
L=3.8
64X28
L=9.97
L=9.9
L=9.
9
Arm
Assembly
64X
40
L=3.5
ng
Eccentric
L=4.4
L=3.2
L=1
0.4
er
Bushing Eccentric
Stud
L=
64X28
4X2
tric and
ic
ic
8.8
L=8.8
8
Support
Feed
Lifting Ec
Feed
Lifting Eccentric As
Connection Looper Driving Arm Assembly
Support
Feed
Lifting E
and Feed Lifting . .Eccentric
racket
Assembly
cen
tric Assembly
cce
ntric
semb
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ly
6
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N
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PART NO
1
416061
10828
2
111
147
3
4 372829
146505
5
416067
6
7
10828
372801
9
10 143126
11
143073
12 6339
13 .
146600
14 146657
15 146658
1
001
16
17
18 8020-02
19 375065
20 375066
21
22 545239
23 545239
24
25 540625
26
27
28
29
30 143622
31 143124
32
33 416102
34
35 143648
36
37
38
39 151
40 415930
41
42
43 143654
44
46
47
48 143015
49 143431
50
51 143650
52
53 143503
54
89
100157
540555
540556
375068
504010
416100
41
6126
143125
41
6103
143457
50025
143370
369
16380
376425
41
6125
143066
143065
143649
143501
143647
L
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Bevel Gear Assembly
Set
Screw 1/ 4X40 L=5
Arm Sh
Arm Sh
Arm
Shaft
Arm Sha
Set
Screw 1 I 4X40 L
Oil
Pump Body
Oil Pipe Clampi
Oi
l Pump Impeller
Screw 1 / 8X44 L=4
Oi
l Pump (centrifuga
O
il
Pump
O
il Pump Scree
Sc
rew 1
Scr
ew 11/ 64X40 L=13
Position Pin
O
il
Removing Pu
O
il
Removin
Oil
Removing Pump Bracket
S
et
Scr
S
et Scr
OH
Removing Pump Pist on
ston Spring
ston Spring Br
Sc
rew
il Pipe Assemb
O
il
Pipe
O
il Retu
O
il Pipe
Oil Pi
pe
O
il Pipe
il Tube
Oi
l Tube
O
il
Connection
Scre
w 3/ 16X28 L=27
Oi
l Lead
Screw
O
il
Removing T
Oil
Removing Lint
Oi
l Removing Tube · Wire
O
il
Removing
O
il Pipe
O
il
Pipe Clamping S l
Oil
Pipe Clamp ing Sl
Bevel Gear
·ow Pi
pe
Oi
l Pipe
O
il
Pipe
il
Pipe
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DESCRIPTION
aft
(upright) Bushing (upper)
aft
(upright)
(upright) Bushing (lower)
ft
(upright) Collar Assembly
=5
ng Sleeve
Scree
n
n Frame
/8X
44 L=8.7
mp
g Pump (body)
ew 1 /8X44 L=3.2
ew 1 / 8X44 L=3.2
acket
9/64X40 L=
ly
Assemb
rn Tu
Clamping
Clamping Slee
Asse
11
ly
be
mbly
Assembly
Connec
tion
/ 64X40 L=9.5
ube
Tube (head
Assemb
ft
ly
(uprigh
l)
Cover
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Assembly
7
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ve Nut
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t)
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n
Assembly
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Scree
n
8
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Arm
"7°-IJ
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chine Pulley
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35 r
34
·
9