Yamato Z610, Z612 User Manual
ILLUSTRATED
SPARE
FOR
PARTS
LJST
HIGH
SAFETY
(FOR
STITCH
HEAVY
SPEED
MACHINE
DUTIES)
·
MODELS
Z610
--
EDITION
No.1
K---iC--MT--
&
DEVICES
Z612
PERSPECTIVE
CONTENTS
MISCELLANEOUS
""
""
MISCELLANEOUS
CRANKSHAFT & MISCELLANEOUS
NEEDLE
KNIFE
PRESSER
UPPER
LOWER & DOUBLE
FEED
FEED
LUBRICATING
"C"
"MT"
ACCESSORIES···················································· J7?
INDEX·········
BAR
DRIVING
LOOPER
DRIVING
DRIVING
& "K"
DEVICE
COVERS
THREAD
DRIVING
MECHANISM
FOOT
MECHANISM
DRIVING
CONTROL
MECHANISM
MECHANISM························
DEVICES
··
··
·•·
...................................................
(1) ·· · ·· · ·· · ·· · ·· · .. · ·· · ·· ·
""
(2)
..
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
""
(3) .. . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
EYELETS·····························
BUSHINGS·
MECHANISM
•· • •· · ·· · ·· • ·· · ·· · ··
· · · · · · · · · · • · · · · · · · · · · · · · · · · · · · · · · · · · ·
MECHANISM
CHAINING
LOOPER
MECHANISM
..
•··•·•······························
··
···•
· • · · · · · · · · · · · · · · · · · · · · · · · · · ·
· • · · · ·
..
···········
•••·
·····•
··
· · · ·
DRIVING
MECHANISM
··
· · · · · · · · · · · · · • · · · · · ·
···············
············it ...
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Illustration
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Book
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o
1
2
--15
18
~
MISCELLANEOUS
COVERS(l)
7J
J
'\-
~1~(1)
1
Ref
No.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
J>arts
No.
1
35390
35236
2
32628
3
4
33029
5
6
7
8
9
5095
30126
6040
33026
6910
35394
7606
7605
33017
1457
33024
9106
334
697
33209
33638
32421
5076
567
9852
33284
1330
34628
32879
33627
33636
Descriptio-n
I\1uchine
Cloth
Cloth
Cloth
Slc1pper
Cloth
Screu
Rubber Cushion Holding
Wood
Cloth
Screw
Sc-reu• {or 35236 ........................................................... * ;1)1\ -
Cloth
Screw
Cloth
Stoppe
Nut {or 9}nt;" ........... ........................................ .............
Cloth
Base
Base
Drain
Drain
Drain Hole
Drain
Chip Guard
Screw
Adapter
Base
Base
J\tlachine
J<'rame
}.Jlate
Plate
Plate
Screw
Plate
• fur
Screw
Plate
for
Plate
·· · ··
· · · · · · ·
·· · ··
··· ·
·· · ·· · ·· · ·· · ·· · ·· · ·· · ··
· · · ·
··
· ···
·· · ·· · ·"'
(Upper I ...................................................... * ;I; I
Latch
.........................................................
Latch
Spring
............. · ........... · ............ · .....
for :J0126 .............................................
Hook
·· · ·· · ··
............ ·
30126·····················
(or
.'3.'3026
....................................................
..
· ··· ........ · .....................
......................................
Plate
.....................................
(Lowe-r} .....................................................
.'J52:-J6
........................................................... ;t:,;IJI
Hinge
Pin
................................................ ..
fur 38017 ..........................................................
Plate
Hinge
r Sc"'"'V for Cloth
Plate
rlook
Gasket
Pin
Retaining
Plate
Pin
..................................................
Ring
........................
..................................
..................................................................
...............................................................................
Hole
Seal
for Inner .......................................... · 0
Hole
Screw
Seal
Hole Scrt>w
(Lower)
{or Inner ........................................
for
Outer
..........................................
for
Outer
........................................
.....................................................
{or 33284 · ..........................................................
(ShortJ
Rubber
Rubber
Frame
.............................................................
Cushion (Black-coloredJ ..........................
Cushion (G·reen-colored) ......................... r.:
Hanger .................................................
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31
32
33
34
35
4642
5519
563
570
317
Screw
Screw
{or 33636 ...........................................................
{or 33638 ...........................................................
l.Yasher {or 33638 .........................................................
Seal
for 33638 .............................................................
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13
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24
'
25
27
'rJ
25
MISCELLANEOUS
COVERS(2)
1JJ\-~'f~(2)
2
Ref.
No.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
4
5
6
7
8
9
2
3
1
Parts
No.
32970
4435
36238
4445
32597
36239
32615
9106
5075
525
32924
32930
4404
36179
1016
32620
7006
32622
35233
35391
35392
34639
5089
33022
4440
35219
1330
1223
32607
32608
Description
Thread
Screw
Top
Screu
Top
Top
Top
Screw
Oil
Oil
Oil
Oil
Screw
Needle
"Z"
Needle Th·
Screw
Needle
Side
Side
Cloth
Cloth
Screw
Chip Guard
Screu
Chip Guard
Scr
Screu
F'ront
Front
Lead
Bur········· ·················································-*·
for 32970 ·································
Cover (Right)
for 36238,
Cover
Cover
Cover
Gasket
(Left)
Gasket (Left) ·· ····· · ······················· ··············
··
······················
:-J6239,
35391·
(Right} ···························
······
· ·
··········· · ··· ········
for 36239 ···························
flole
Screw
Hole
Seaf.
Sight
Sight
{or 32930 · ···
Thread
······················
··············
Top Wi1ulow
Top Wi1ulow
···· ·········· ·
Secd
··
······
·············
··
................................... ..................
Cove r···················
····
·······
fv/ark ·········· ········ ······························
reuJ
for 32620 .................
Cover
Thread
Cover
Cover
Gasket
Latch
Spring
......
Pin··· ··························· ·····
.. ···················· ··· ············ ···················-" .;
··
··········
····
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········ ········
··
· · · ·
· · ·
······· · · ·
··
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··
······························ ·it-*
····
·········
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··········
· · · ·
········
···········
..
········
··
······ ............... ·······
...........................
Cove·r ····· ···········································'···················"'·
Plate
Hinge ·
Plate
Hinge
for 35392 ···
Support··
• {or 33022, 32607· ·
(Fixed)
ew
for 35219············ ·········· ··············
• {or
35219
Cover
Cover
··
.. · · ·· · ·
··
· · ·
··
· ·· · ..... ·
··
Gasket
··
······
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·······
············
Hinge · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·
Hinge
Pin················································
· ·· · ·· ·
··
··
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······
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1
31
32
33
34
35
36
37-1
37-2
38
39-1
39-2
33021
5131
36435
2527
32609
4358
18186
18187
20811
18700
18701
Chip Guard (Openable)-·· ··············· .. ··················· ···········t)]fflt;f; -/f&(
Screu·
Front
Threading
Front
Screll" {or 32609 ···························
Model
Gauge Indicate
Device
for 33021 ········ ··········
Cover
··································· ·······················
Chart
Cover
Plate
" "
( Z610,
Latch
(Z610)
(Z612
Spring
.. .....
) ·· ············· ······················· ················
Plate
Indicate
Plate (/K) ·
" " (
·········································t)]Ji!!:l; -/
Z612)··
······ ······························*
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····
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36
24
29
~
26
~
30
32
MISCELLANEOUS
COVERS(3)
1J
I\-
~i~(3)
3
Ref.
No.
6
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
1
2
3
4
5
7
8
9
Parts
No.
33653
4353
33764
4441
35282
4437
35283
32604
32663
9853
32627
1223
930
928
36199
5087
5078
20538
36241
550
4440
33562
33013
5345
33265
33012
33037
33038
1174
5094
Description
F'ubric Guide
Sc
·rew {or 33653, 33618················································ll:?-:/ ············································· 3
Double Chaining
Screw
r~eed
Mechanism
Screw
Feed
Mechanism
Cloth
Plate
H'ornl
Oil
Scre1r
Needle
Screw
Oil
Seal
Oil
Seal
Pulley
Screw
Screw
Seal
Foot
Fiber
{or Machine
Ring for 5078 ·······················································0
Lifter
Ring
Screw
Double Chaining
Feed
Bar
Screw
Seal
Plug
Crankshaft
Crankshaft
Crankshaft
Screw
Screw
·································································1ti
Looper
(or 33653
···························································1ti
Cover··················
(or
35282···························································
Cover
Rubber Cushion ··· ···
Shield
·································· ························
Threml l:.yelet
..
Gasket
..
································ .. i!_
··
· ········· ····················· ·l!I1.J
······················
····························
{or 32663···························································
Bur
Connecting
for
32627···························································
Link
Cover
··· ········ ··········
Plug·························································
Plug································································
Cover
· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·
{or 36199···························································
Frame···········································
Hinge
{or 36241
Cover··············································
..
··················································
{or 36241, 33562 ················································
Looper
Driving
for
33013···························································
{or Machine Frame··················
Ball
Bearing
Ball
Bearing
Ball
Bearing
Thread
Shaft
End Cap································
(Small)
(Small) Cap
(Small)
Eyelet
Gasket····················
..
···
Cap Clamp ··· ········
(Rear)
..
··········
···················
···················yifii
for 33038 ···························································
for
36216···························································
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··················
Amt.
Rert.
1
1
1
2
· · 1
···· 1
1
1
2
1
1
1
31
32
33
34
35
36
37
33131
36216
32429
32612
3434
33155
33618
Feed
Dog
Regulating
Feed
Dog
Regulating
~Vire
···············································································
Seal
Plug···················································
Screw
Pulley
Belt
(or
32612
Graduations
Cover····································································
Pushbutton
Pushbutton ································· 7
···························································
Sight
Window································
Spring·····················
···················
/
·:~-:/~:;f-?/1\::j'
·:~
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t
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(2
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29
30
27
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32
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17
.
1_7
.··
·· .
.....
..
43
42--A
'
~45
MISCELLANEOUS
THREAD
EYELETS
4
Ref.
No.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
4
5
6
7
8
9
1
2
3
Parts
No.
20104
33890
30255
20118
286
31111
7904
32968
35367
35366
7006
4125
340
35226
32952
32962
32963
36235
1326
32955
532
1330
36233
35363
35364
5000
35365
1228
36175
32425
Aml.
DcscTiplion
Threacl
Tens
Tension
Threcul
/;-ell
Tension
Tension
NC'eclle
Double Chaining
Double Chaining
Screw
Tension
Nul {or 4125 ··································································-}-
Tension
Looper
Looper
Looper
Looper
Screw
Lower
~Vasher
Screw
Upper Loope1·
ion
Tension
Spring
Spring
Tension
Spring
Cap·······
············
Bushing························ ··
(Overlock
Spring
Stitch)
Retainer
..................... ...........
·································
······················
······················
,1Hfil.:r--''*~
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············
for 31111····························· ············ ······················/IJL-t-- ····················· ····················· 8
Disc
·····
·········
················
Post
(
Long)············
Thread
{or 35366
Post
Spring
Thread
Thread
Thread
Threacl
for 36235··
Looper
Tension
Needle
Needle
···························································
(
Short)························
Disc
Thread
Threacl
(Double Chain
Tension
Tension
Pipe
Eyelet
Threacl
Spring
Disc
·····················································'/f-il!
Support
··
·······················································Wit.J J\-
Eyelet
for 32955··························································
for 32955·····························
Thread
Eyelet
·······
··
···············
·· ···························
Eyelet
···························
Eyelet
Eyelet
·······················
·····
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....................................
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··
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Rell.
••
•• 4
········· 4
···
·
8
·
········
3
·······
..
······ 1
Needle Threacl Eyelet···················································it'ff-itt············································· 1
Needle
Screw
Needle
Screw
Needle
Needle
Bar
Threacl
for 35364
Thread
Pull-o{{············
for 35365 ·
Bar
Threacl
Bar
Thread
Retainer
···························································
··
· ····· · ··· ······
Retainer
Retainer
Bracket
·
········
·· · ··
· ···
Plate
Plate
·························
····
············
··
· ···
··
· ········ · ·············
Support
···
···············
·····························
1
N
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1
l'
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it
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··
· ·•·•· ••• · ·· · · 2
.......................................... 1
1
1
1
2
2
1
1
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
32426
1092
33159
20123
4120
20124
20125
20126
182
35368
4437
35369
9730
38077
4358
21711
1227
20120
35388
531
36643
20128
5043
Needle
Screw
Looper
Tension
Tension
Tension
Bar
Thread
{or 32425 ···························································'l'm!
Thread
Disc
Eyelet
Post
·································································
Disc
·································································
Double Chaining
Tension
Adjusting
Threacl
Screw
Spring
Nut
{or
Eyelet
for 35368 ··························································· .=.x'/f-
Double Chaining
Screw
for 35369, 35388 · ·
Double Chaining
Screw
Threacl
Screw
for 38077···························································
Retaining
for
21711·······························
Double Chaining
Double Chaining
1
H
asher
for 35388 ..........................................................
Stopper
Holder
Double Chaining
Screw
{or 36643···························································
Retainer
Eyelet
Pipe
for Double Chaining
Looper
Bushing
20125··············
Bracket
·················
Looper
Looper
Finger
Looper
Looper
Spring
(Long) ..
···························,Nfij-=ffiDJ
····························
Looper
Tension
··············································
Spring
··········
····················
·
········
··············
································
Thread
··
· ···
Threacl
Eyelet
(Left}
···········
·· · ·· · ·· · ·· · ·· · ·· · ·· · ·· · ·· · ·· · ··
Eyelet
Spring
· ···
··········.=.x
··················· ···························
····
························
Threacl
Threacl
Eyelet
Eyelet
······················
Stopper········.=.x'/f-@:A
.............................................................
Looper
Threacl
Eyelet
(Right
) ····· ····
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1
1
1
1
5
16 ~ 17
CRANKSAFT
&
MISCELLANEOUS
BUSHINGS
5
Ref.
No.
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
6
8
9
2
3
4
5
7
1
Parts
No.
33053
3591
9203
4402
35340
5133
32817
4441
32818
32777
32775
32778
33899
32925
7650
33077
1435
35360
33052
33079
35389
1457
32681
32782
33051
3434
32904
32905
2133
32906
Description
J:>ulley ................................ .. ............................ ..............
Main
Screw
Sub-Screw
Cap
Screw
Pulley
Screw
Crankshaft
Screw
Crankshaft
Crankshaft
Crankshaft
Crankshaft
Crankshaft
Oil
Pump
Screw
Crankshaft
ScreW
Crankshaft
Crankshaft
Crankshaft
Double Chaining
Screw
Crankshaft
Crankshaft
Crankshaft
Screw
Upper
Upper
Screw
Upper
(or
3805:J ..................................................
{or 33053 .................... ................................
(or
33053 ............................
Grculualions
Plate
(or
Reverse
.......................
Di((erential
.. ·7-')
for 35340 ...........................................................
Hall
Bearing
Housing Cap .............. ...........
for 82817 ................................. .. ........................
Ball
Ball
Ball
Hall
Ball
Driving
Bearing
Bearing
Bearing
Bearing
Bearing
Worm
Retaining
Ring (Outer)
.......
............................ ...................
Housing
Retaining
Retaining
........................ ........
Ring
(Inner) ........ A
Washer
................
................... ............................
{or 32925 ........................................................... '7
Counterweight
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for 33051 ........................................................... ~ 7'
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47
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51
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53
54
55
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32650
32648
32647
32684
30291
34518
32793
32349
1448
527
32350
30227
33055
33061
33062
33101
34710
33103
33069
33070
33119
3636
32652
304
35240
9209
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Needle
Needle
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Lower
Lower
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Driving
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