Mitsubishi LG2-3370 User Manual
MITSUBISHI
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Industrial
Model
LG2-3370
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Sewing Machine Parts Catalog
INDEX
Page
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Arm bed & it's accessories · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · .. · · · 2
Sewing mechanism (I) · · · · · ·· · · · · · · · ·· · · · · · · · ·· · · · · · · · · · · · · · · · · ·· · · · · · · · · · · · · · · 4
•••
Sewing mechanism
Stitch length mechanism · · • · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·
t•
Top feed rock shaft mechanism···················································
Presser foot mechanism ...... · · · · .. · · .... · · .... · · · · · ·· .. · .. · · · · · .. · · · · ·· · · · · · · · ·· · ·
Top feed mechanism..................................................................
Knife actuating mechanism · · · · ... · · · · · .. ·· .. · · · · · · · .. · · · · · ·· · · .. · · · ·· · · · · · · · · · · · · · ·
Touch back mechanism & detector mechanism · · · · · · · · · · · · · · · .. · · · · · · · · .... ·
Oil lubrication mechanism · · · · · · · · · · · · · · · · · · · · · · · · · · · · .. · · · · · · · · · · .. · .. · · · · .. · · · · · ·
Accessories (I) · · · · · · · · ·· · · · · · · · · · · · · · · · · ·· · · · · · · · ·· .. · · · · · · · .. · · · · · · · · · · .. · ... · · · · ·
Accessories
Gauges
(IT)
.................................................................................
(IT)
& feed rock lower shaft mechanism ·········
· ·
..
· · · · ·· · · .. · · · ·· .. · · .. · · · · · · .. · · · · · · · .. · ... · .. · · · · .... · · · · ·
..
· · 24
6
8
10
12
14
16
18
20
22
26
P-168
199202
[I]
*fif~f~
ARM
B§ED~~~.:..:::...::.-~
&
IT'S
ACCESSORI~E:=_S
__
_
9--g
(6)
10
Jc/
2
(26)--\))
(26>~
45~
44
43"i
1-~
I
~42
-~
~
-r.
!~"')
(12)-®
'?
41
(13)
~1
~
I~!
·~I
I
I)
!
39
l.'-.._381
'(903)
~
'·...j
I
I
i
I
1
'
2
rn
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ARM
Fig.
No.
BED
$~:::1-F
Parts. No.
& IT'S ACCESSORIES
Description
1i!
ffl1111
Amt.
Req.
ti:
01
*
02
*
03
04
05
06
07
08
og
10
11
12
13
14
15
16
17
18
1g M F
20
21
22
23
24
* 25
26
* 27
28
2g
MH
OOAO
MH
OOAO
Mg11og
Mg
0883
Mg1110
Mg
1g10
Mg
1116
MF
36Al
MF
20AO
Mg
0573
Mg
2701
Mg
0106
MF
lOAO
Mg
2004
Mg
1108
MF
OOAO
MF
goAO
MF
lOAl
36AO
Mg
1101
Mg
og43
MF
80AO
Mg
1508
Mg
1107
MH
OOAO
Mg
1182
Mg
0234
Mg
1501
MF
lOAO
6g1
ti"AJr
·:;
880
3
004
PWf1:17?1-*V'
080
:::i
004
:17?1-*~·
080
:::i.L.~
002
SjL-*~·
180
7"-.l..*~Pil
135
)83~
080
:::i'.L.~
080
:::f.L.~
053
''-*~~
151
~
080
:::f.L.~
001
.It;(-*~
181
*~Pi!
553
*~Pii~-T*'
553
~-Tl!D.
24 5 F9ttr\-*
046
';.t?
003
A_SjL-*
181
7"-.L..*~Pil
001
.It;(-*~-
002
SjL-*
601
:1Enln:i1f&
080
:::i.L.~
060
t: /
085
0 ')
70g
-;·
::J
-;·11
.L.~
$.
7
~
~
:....-?·
·:;
~
.::1.
1-
·;;
...........................
...........................
11/64(40)X8
;
8.8
..................
11/64(40)X8
;
}g
.....................
11/64(40)X8··
(...t)
.....................
...........................
;
5. 7 ..................
; 27
.....................
6
........................
...........................
; 20
...............
11/64(40)X5.5
1-
11
/64(40)
gf64(40)X6
(ti)
15/64(28)X6
11/64(40)X5.5··
...........................
;
11.8
...........................
S 1 5·
...........................
............
.........
.....................
.........
...............
....
· .. · .. · .. · .. · ·..
.........
.........
.......
···
....
Arm
Arm
Screw
Rubber
Screw
Rubber
Screw
Thread
Oi 1 check
Rubber
Rubber
Spring
Leg
...
Rubber
...
Screw
Thread
Pre-tension
Thread
Pre-tension
Pre-tension
Screw
Thread
Set
Screw
Cloth
Rubber
Thread
0-
r i n g S
Thread
side
cover
side
11/64(40)X8
plug ; 8.8
11/64(40>X8
plug ; }g.....................
11/64(40)X8
guide(Arm
plug ; 5.
plug
washer 6 .....................
...............
plug ; 20
11/64(40)X5.5
guide
tension
gJ64(40)X6.....................
guide
screw
11/64(40)X5.5
guide
plug ; 11.8..................
releasing
15
tension
gasket............
cover"·.....................
..................
..................
..................
..................
window.....................
adjusting
15/64(28)X6
top)
7 ...
...............
¢27
.....................
...........................
.........
..........................
stud
...................
disc
.............
spring
................
nut
(Right)·
plate..................
........
...............
pin
...............
· ·
....
· .. · · · · .. · .. · ·.. 1
regulator
............
··· ...
... ... 1
...............
11/64(40)·"
..............
............
bushing
1
1
4
5
1
2
1
1
1
1
1
3
3
1
.
1
..
1
..
2
..
1
1
1
1
1
2
1
3
1
1
30
31
32
33
34
35
36
37
38
3g
41
42
43
*
44
45
* 46
* 47
48
901
* 902
903
MF
MF
MF
MM
MF
MT
Mg
Mg
Mg
MF
Mg
MF
Mg
MH
Mg
MH
MH
MF
MF
MH
MF
lOAO
lOAD
lOAO
11AO
1100
60AO
1605
ogol
0604
lOAO
ogog
lOAO
1106
OOBl
1111
OOAO
OOAl
OlAO
OOEO
OOEO
lOEO
553
~-T*'
187
*n:
~~
;q,
555
~-Tl!D.
556
~-Tl!D.~I.
245
f9tt;\-*
802
(!jJ
~~
.11:.
;(
045
~Bi'i7
·;;
002
SjL-*
~
002
¥-*
471
003
181
011 A.llll-*
101
004
830
6g1
584
550
210
470
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...t*~Bri~
1lit
~H&
...........................
...........................
...........................
...........................
...........................
...........................
1-
1-
1/4(40)
9/64(40)X4
3/32(56)X2.2
9/64(40)X6
(ir:)
11/64(40)X7
...........................
11/64(40)X10
...........................
...........................
.................................
(~J!)
(~J!)
(~J!)
...............
.........
.........
.....................
.........
.....................
.....................
.....................
Thread
Thread
Thread
Thread
Thread
Thumb
Thumb
Screw
......
Screw
Plate
Screw
Thread
Screw
Throate
......
Screw
Face
Face
Thread take-up cover ....................... 1
Pre-tension
Thread
Slide
tension
take-up
tension
tension
tension
nut
nut
gJ64(40)X4.....................
3/32(56)X2.2
spring
9/64(40)X6
guide(Left)..................
11/64(40)X7
plate...........................
11/64(40)X10
plate
plate
tension
plate
stud
spring
disc
reledsing
spring
revolution
1/4(40)
for
...
... ...
...
gasket
assy_
regulator
assy_
...............
..................
..................
..................
slide
.....................
.....................
..................
... ...
.........
.....................
.....................
............
disc
............
stopper
plate
...
...
...
.........
assy.
1
1
2
1
1
1
1
1
2
1
1
1
2
1
3
... 1
1
1
1
1
*
~D
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-~:--------:~94
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~
95
86
~
84~<
83
~
8
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(68/\::!
103
)--~
I \:j
l,",L__(B61
102!
92
(89)
I
62
64~
5
6~
67~
~66
104
4
Fig.
No.
60
H9
HF
61
* 62
*
* 64
* 65
HH
63HHOOA0664
HH
HH
66
H9
67
HF
68
H9
HF
69
$~::1-
Parts. No.
0883
080 :::fb.ti ;
70AO
663
OOAO
660
OOAO
180
OOAl
180
0815
002
70AO
128
1513
001
01AO
417
t:
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at
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8.8
..................
(.t)
··· ..................
... ···
.....................
.....................
...........................
·•·
........................
1/8(44)X4.5
DBX1-2#14
15/64(28)X9.5
.........
.........
...........................
Description
Rubber
Needle
Needle
Needlebarbushing(Lower)
Thread
Thread
Screw
Needle
······Set
Oil
plug ; 8.8..................
bar
bar············..................
guide·
guide··"·····..................
l/8(44)X4.5..................
DBXl-2#14
screw
15/64(28)X9.5
shield
bushing(
.. ···
..................
cap
.....................
Upper)··....
..................
······
~ffl1lillk
Amt.
Req.
1
1
1
··· 1
··· 1
1
1
1
4
1
* 70
* 71
72
78
79
80
* 81
82
83
84
85
86
* 87
*
88
89
* 90
91
* 92
93
94
95
96
* 97
1
02
103
104
105
108
1
09
*
110
111
11 2 H9
HF
OlAO
HH
OOAO
H9
1606
H9
1802
H9
0700 085
H9
1801 002
HH
OOAO
HF
05AO
H9
1602
HF
80AO
H9
0902 011
H9
1521 002
HH
OOAO
H9
4007 052
HN
35AO
HH
OOAO
H9
1502
HH
OOA1
H9
3008
HF
OlAO
H9
1472
H9
1203
HH
OOA2
H9
1606
HG
75AO
HF
10AO
HF
70AO
H9
0740
HH
OOAO
HF
OlAl 740
HG
75AO
0402
740 7
325
001
006
232 .ttdl
234 .tflli
001
352
384
628
492
002
384
050
233 .ttdl
086
002
384
001
521
520
522
080 :::fb.ti
230
417 :::fb..a
085
.:tJL-
t-
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~-
~-.)(:$1)1,..
.ttdl
7
I
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t-
01)/?
V"
JLJL-
V"f<t
JL-
...........................
...........................
1/4(40)X6
9/32(28}X14••••••••• ScreW 9/32(28)Xl4·""""""""""""""" 1
1AP7•••ooooooooo••••••O-ringlAP7••••••oo•oo""""""""""" 1
9/32(28)X13·
(;£)
(if!)
1/4(40)X4
...........................
3/16(28}X13""""""" ScreW
11/64(40)X7·····
···
.........
·········
...
···
·········
..................
15/64(28)X12
···
·········
··· ···
(;fi)
...........................
3/16(28)X15···"""
...
·········
1/4(40)X7
(.t)
...........................
(T)
...........................
···
............
...........................
......
S4
............
.....................
.....................
............
······ ······
...............
······
...
······
······ ......
.....................
.....................
······
.........
............
.....................
.....................
······ ......
··· ··· ··· ··· ... ··· ...
.....................
Felt.......................................
Slide
Set
..
······
Screw
Upper
Upper
Set
Thrust
..
··
Screw
...
Crank
Thrust
······
Needle
··· Feed
······Screw
···
Crank
Thrust
Upper
Oil
Screw
Crank
Set
Vertical
Vertical
Vertical
Rubberplug·····················
Upper
Felt.......................................
Rubber
0-ring
block···
screw
screw
seal·········........................
screw
l/4(40)X6
9/32(28)Xl3..................
shaft
shaft
1/4(40)X4··.............
collar
3/16(28)Xl3
11/64(40)X7..................
rod
············
washer
bearing
drive
eccentric
15/64(28)X12
rod
...... ······
washer···
shaft
3/16(28>X15..................
rod
···
l/4(40)X7...............
shaft
shaft
shaft
shaft
bushing
54
..............................
........................
..
·············
bushing(Left)
bushing(Hiddle)
with
screw··....
.. •••••"""""""" 6
··· ···
.....................
bushing(Right)
..................
bushing(Upper)
bushing(Lower)
···
......
············
··· ··· ··· ...
......
.....................
··· ··· ··· ··· ...
cam· .. ··· 1
...............
............
···············
·········
.........
··· ... ... 1
······
... 1
··· 1
··· ... 1
..
····
... 1
... ...
1
1
2
1
1
2
1
2
1
2
2
1
1
1
2
8
1
1
1
1
1
1
1
*
*
*
904
HH
OOEO
580
~W·
905
HH
OOEO
906
HF
OlEO
HF
907
908
909
*
OlEO
HH
OOEO
H9
7006 060
~
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383
331
11-tttli•.t
332
1Jiftii*T
230
.tflll*.ll..ll:
as)IBiill3i'i5e"/
it*l?7/7"
~
71'
.....................
(*.ll.)
··· ......... ······ ...
(*.ll.)
.................. ···
(*.ll.)
.....................
···
..................
(*.ll.)
.....................
L,
!!:
9 o
Thread
Crank
Bevel
Bevel
··· ... Upper
Oil
5
amount
(*.ll.)
take-up
assy
gear
gear
shaft
lever
..........
upper
lower
assy.
adjusting
··· ... ···
assy.
assy
..
.......
pin
assy.
......
.........
..........
··· ··· 1
assy.
··· 1
··· 1
1
1
1
LG2-3370
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m
\,
,.muJi
SEWING MECHANISM
aD
s
142
J:
vT~
~;
-mMJi
OD
& FEED ROCK LOWER SHAFT MECHANISM
147
145
167
140
'\)
141
1
~.-----~~
[
[~~~154
if(
'151
152
L ____ (
153
91
o l
----~
'\
'
144
161
165
164
~171
~
173
"'
~170
172
174
177
(140)
(144)
6
@1
m~
'~~Au•
an
SEWING MECHANISM
sJ:vT~~J••
(II)
&
FEED
ROCK LOWER SHAFT MECHANISM
*
Fig.
No.
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
aiS~::J-1'"
Parts. No.
MF
90AO
283
{I,L,fa
MF
90AO
278
M9
M9
M9
M9
MH
MF
MF
M9
M9
M9
MF
M9
MF
MF
MF
MF
M9
M9
MF
M9
M9
MF
ME
M9
MF
MF
MF
M9
1204
1106
0619
0806
OOBl
OOEO
OlEO
1112
0315
1502
OOAO
1602
80AO
70AO
OOAO
OOAO
1521
1113
OlAO
7085
7087
OlAO
OOAO
1118
lOAD
OOAO
05AO
1259
*Sfl.*IJB!ii:ti::*V"f-1
002
A.Sfl.*V"
004
/7-;f-f*V"
050
~~
002
Sfl.*
104 *
281
]!IJE;-
276
..t"F*•J=:X*V"M ........................... Feed
002
Sfl.*V"
065
Cffhl:.;(.aflb.lfl
001
11:.;(
286
*SJl.*IJflb;(
001
11:.;(
352
:h
491 *SJl.*IJtdi
279
*~IJB!ii
454
*Sfl.*IJB!iiflb
002
Sfl.*
002
Sfl.*
557 ;tHIIH·J\*
030
;tH~T-*
030
.;tH~T-1\*.ll:.;(*V"
245
~fii~.ll:.J\*
123
;;f.t:/
002
Sfl.*
229
J*;l11£.1l:.;(
120
illf*.ll.
740
71'
030
~;¥~*
IJ
*
*
7-*
V"
V"
V"
JL-11-
V"
V"
V"
V"
V"f;t
V"
...........................
···························
3/16(28)X12·········
11/64(40)X8·········
...........................
1/8(44)X6
........................... Drop
(*II.)
.........................
11/64(40)X12
15
.....................
15/64(28)X3.5
11
JL-
(:ti::)
..................... Bushing
1/4(40)X4
...........................
...........................
(ti)
.....................
...........................
11/64(40)X7
11/64(40)X15
...........................
3/32(1
OO)X1.6
1/16(80)X1.2
...........................
...........................
11/64(40)X10
...........................
...........................
...........................
(*.ll.)3/16(32)X9·
............
......
......
............
.........
......
......
......
......
.....
Description
Shaft
for
feed
bar(Eccentric)
Feed
rock
shaft
Screw
3/16(28)Xl2
Screw
11/64(40)X8
Washer
Screw
Feedbarassy
Screw
Retaining
Screw
Set
Thrust
Feed
Feed
Feed
Screw
Screw
Bobbin
Tension spring screw
Tension regulating screw
Bobbin
Bobbin
Screw
Hook
Rotary
Oil
Oil
...... ...... ...... ......
l/8(44)X6
feed
lifting
11/64(40)Xl2·
15/64(28)X3.5
for
screw
collar
rock
rock
rock
11/64(40>X7
11/64(40)Xl5..................
thread
tension
....................................
11/64(40)Xl0·.................
positioner
hook
felt
for
cap
screw
crank(Left)···
.....................
dog
............
..................................
rock
ring
C-type
feed
rock
l/4(40)X4
with
shaft
......
shaft
crank(Right)
shaft
crank
tension
3/32(100)X1.6
spring
.....................
assy.
lower
assy.
··················
··················
... ...
......
............
shaft
fork
.................
15
......
...............
shaft(Leftl
...............
screw
......
...
.........
pin
..................
spring
l/16(80)Xl.2
.........
..................
shaft
......
3/16(32)X9
~.lfHiil~
Amt.
Req.
1
1
4
1
1
2
1
1
1
1
2
1
1
4
2
... 1
1
... 1
1
1
1
1
1
1
1
1
1
1
1
1
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
* 180
910
M9
MF
M9
MF
MF
MF
M9
MF
MF
MF
M9
MF
MF
MF
M9
M9
M9
MF
MF
M9
MH
MF
0800
086
OOAO
451 "ff$;(
1602
020
OlEO
350
OOAO
453
OOAO
450
1106
001
OlEO
352
OOAO
452
80AO
688
1513
001 .ll:.;(*V"
OOAO
753
OOAO
572
80AO
154
1515
1502
1513
70AO
70AO
0904
OOEO
40EO
~J*;I'Ji
002
>jl*V"
050
001
11:.;(
286
..t"f*IJtdi;(
460
..t"f*IJflll
060
·;n\f-tflll
277 ..t"f*IJB!iiti*
125
;;f-1:::/?'-A
:;t1
JL-~-JL-
11
JL-
:t\fii:A:f-111:.;(
*
V"
*tl.l•J:hb.*V'f<t
"Fflll
;(
11
JL-
"ff$
11:.;(
*
V"
:tJ
7-*
11
V"f;t
JL-
"ftdi;(
J'i-(/
7'7/V"-t<
':JJI--;f;:fJ\*
A 7 A
~--~~
*
V"
11JL-
V"f-1
8X12X3
(:ti::)
1/4(40)X10
...........................
(tP)
...........................
11/64(40)X3.7
...........................
(ti)
15/64(28)X9.5·
...........................
...........................
...........................
15/64(28)X10
...........................
15/64(28)X9.5
(:ti::)
......
...........................
...............
..................... Lower
.........
.....................
......
..................... Lower
.....
......
......
..................... Bushing
.........
...... ......
...........................
(*.ll.)
.....................
Oil
seal
8X12X3
shaft
bushing(Left)......
Socket
Thread
Lower
Lower
Set
Thrust
Oil
Set
Plunger
Coi 1
Guide
Screw
Thrust
Set
Feed 1
Pin
Feed
Bobbin
set
screw
trimmer
shaft
bushing(Middle)...
shaft
......
screw
ll/64(40)X3.7·........
collar
shaft
bushing
pipe
for
lower
screw
15/64(28)X9.5
....................................
spring..............................
plate
..............................
15/64(28)Xl0
washer·..........................
screw
15/64(28)X9.5
for
feed
ift
i ng
.........
case
rock
......
rock
assy.
......
lifting
.....................
l/4(40)Xl0...
cam
with
... ... ...
...... ......
with
screw
(Right)
shaft
..................
lifting
shaft
rock
shaft
... ...
......
crank< Right) 1
... ... ... ...
screw
......
... 1
bushing
.........
.........
shaft
.........
...
......
......
1
1
2
1
1
1
2
1
1
1
1
1
1
1
1
1
1
1
1
1
* gJ t;t:, LG2-3370
WfflffB~
~II'
l.t
~To
7
LG2-3370
'*~J~~~~~~H!....:M~E:::..:C:...:.H_A_N_IS_M
@]
8-nTCH
_!-ENGT
_______
_
210
(205)
(208)
214
//
~(2001
213
212
7
204
~~2
201
203
---------=----
8
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