Mitsubishi LZ-760 User Manual

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MITSUBISHI

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···· ··Needl

·· ····Zig-Zag

······Needle vibrator crank operati

···Presser foot Mechanism ···

SEWING

Model··· ············ LZ

m bed · · · · · · · · · · · ·· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · 1

e bar and take-up lever Mechani

motion Mechanism ··· · ···

::II

MACHINE

INDEX

.•

....

Jiifl

m··

=============================

PARTS

760

·····

·····

·····

··········
sm

···

· ·· · ·· · ··

ng

shaft Mechanism

···········

·················· ·· ······················ ···13

CATALOG

········ ···········

·· ·······

···

···

· ·············· ···

· ·· ·· ··· · · .. ··· · ·· ···· ·· · ·· · ·· ·· 9

······ .. ··

····

·····

···

······

···

······ ·

·····

···

5

· 7

11

7. *li§

8.

9.

10.

11.

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~······Acces

·

··

···

Stitch

···· ··Rotati

··· ···Oil lubrication Mechanism

··

·A

regulator Mechanism · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·15

ng

hook shaft Mechanism · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·

ccessor

i

es

.

s

ories

box

· · ·· · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · · ·· · · · · · · · · · · ·· · · · · · · · · · · ·· · · · · · · · · · · · · · ·

==================================================197603==

·······················································

···································································

MITSUBISHI ELECTRIC

CORPORATION

·17

··23

··2

7

29

==============::a.•

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TOTAL

Mode

l ....

ASSY,

.. L

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L

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)

- 1 -

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LZ760ff~

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90

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1

I

ARM

BED

----2

0

111-----26

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)

*1*$1t ARM

Fig.

-if-t:~ftfSdi.J::J-1"

No.

1
3
4

5
6
7
8
9

10

901

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

Part

No.

BED

-~;f::J-

Code

No.

W501374H01
W501320H01
W502078H01
W500092H01
W468291
W452151
W501901
W500810H01
W450619H01
W502172H01
W501636H01
W501637H01
W502193H01
W502171
W501400H01
W471432H01
W472715H01
W220683H01
W467880H01
W330150H01
W472552H01
W500294H01
W462654H01
W468706H01
W468807H01

8
B503846H01

409034

HOl
HOl

H01

H01

H

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1:1

1:11:1

7' - b.

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b.

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011

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11/64

(40)

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11/64(40)

X5.5

Arm

bed

Rubber

plug

Rubber

plug

Rubber

plug

Screw

(for

Thread

take-up

Thread

guide

Screw

(for
Pin
Pretension
Thread

guide
Tension
Thread
Tension
Thread
Set
Thread

Oil

Top

Screw
Gasket
Base

Screw
Washer

Short
Plug
Thread

Set

discs

tension

spring

tension

screw

guide

check

cover

(for

plate

(for

guide

screw

Name

Fig.

7)
cover

Fig.

8)

assy.

regulating

stud

win'dow

Fig.

19)

cover

Fig.

22)

of

Part

thumb

nut

1!1/~

Amt.req

760

1
1

11

1
5

1
3
3
1
1
1
2
1
1
1
4

1

1
1
9
1
1

16

3

1
1
1
2

Fig.No.901

~

~

~

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fiiD

Remarks

':~t;

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I

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=

LZ760ff~

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ARM

BED

902

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Fig.
No.

902

35
36
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54

55
56

58

59
60
61
62
63
64
65
66

oft-

t:

.A$~

Part

No.

:J

-

I"

Jf.M:J- I"

Code

No.

W450067G03
W502940H01
W473335H01

B419179H01

W444059H01

8509216H01

B419178H01
W450070H01
W450069H01
W500741
W502087H01

B509088H01
W468707H01
W462616H01
W501275H01
W468806H01
W468805H01
W468807H01
W452343H01
W501166H01
W446404H01
W475455H01
W468708H01
W446407H01

B509070H01
W472512H01
W330151
W502069H01
W500187H01
W568591
W330152H01

H01

H01

HOl

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X4.5

Name

of Part

Thread tension regulator Assy,

Thr~ad

tension regulating thumb nut
Thread tension spring
Thread tension releasing disc
Tension discs
Thread tension releasing

Thread tension stud
Thread take-up spring

Thread tension regulator bushing

Set screw
0 ring
Set screw
Thread

Short

Plug
Gasket
Cover
Plug
Short
Screw
Bed slide
Needle plate

Slide plate

Spring

Screw (for Fig.-59)
Thread guide
Face plate

Rubber plug
Set
Thread guide

Gasket

(for Fig.4 1 )

Fig.

(for

guide

leg

leg

screw (for Fig. 65)

pin

902)

11/a Amt.req

760

1
2 Fig.
1
1
2
1
1
1
1
1
1
3
1

1
3
1
1
1
1
4
1
1
1
1
2
1
1
4
2
1
1

No.

1a

902';:

~

~

~

~

~

~

~

~

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Remarks

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t;

:iff

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========================================================~=LZ760=··===

-4-

- 5 -

==============•·•,ititH============

LZ760ff~

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fib

78

79

rus

80

81

;t

83

UPPER

SHAFT

92

93

MECHANISM

94 95

96 97

98

10

10
11

111

=

8

9
0

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(5

1 ) L Z

B

$t.J"'.Wf.J:

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Fig.

-tt-t:~$~:::1-l"

No.

70
71

72

73
74
75
76

UPPER

Part

No.

n

78
79
80
81
83
84
86
88
91
92
93
94
95
96
97

98
904
105
106
107
108
109

110
111
112

SHAFT

JUt::~-

Code

8503851

W468734H01

B504016H01
W502474H01
W500003H01
W501905H01
W462698H01
W500006H01
W474380H01
W502945H01
W468731
W464441

B509087H01
W470214H01
W333589H01
W472551

W461784H01

W468737H01

B503852H01

W468789H01

B508963H01

W501212H01

W468832H01

W330158H01
W445869H01
W330157H01
W500509H01
W500246H01
W500233H01
W502088H01
W461758H01
W468788H01

I"

No.

H01

H01
H01

H01

MECHANISM

g

AJ:I

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7

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IJ

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15/64

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11/64(40) X10

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15/64(28)
15/64

1--.

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15/64(28) X12
11/32

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11/32

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1--

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l¥

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.$'Cjz,Sf!*:l

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7"

l¥

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3Jl

*

H

':I

~il*:l

IJ

0

~-(

~

/?-"'Jll

:g

{28) X 14

X6

{28)

X7

(28)

X8

(28)

X6

XlO

(28)

(~Jl)

(28) X 17

(28)

P4

.5

Set screw
Crank
Set

screw
Screw
Paking

.Plug

Oil

seal

Set

screw
Upper

shaft

Screw

Balance
Upper

shaft

Set

screw

Upper

shaft collar

Upper

shaft

Wonn

gear

Oil

seal

Upper

shaft

Set

screw

Spring

flange
Screw
Screw
Belt

pully

Connection
Balance

Ball

bearing

Balance

screw

Set

Set

screw
Packing
Screw

0

ring

Belt

pully

Name
{for

Fig.

(for Fig.78)

bushing

weight

bushing

(for Fig.81)

bushing

(for

Fig.

(Upper}

belt

wheel

Assy

wheel

(for Fig.l 06)

(Under)

of

Part

71

(left)

(middle)

(right)

92)

111~

Amt.req

760

)

14

10

1
1

2
2

3
1
3
1

5

1
1

1
1
1

1
1
3
3
3

1
1
1
1
1
1
4
1
1
1
2
1

Fig.No.904

,

m

t~

~

Remarks

t;

:11

=============================================================LZ760===

-

6-

-7-

=============EIIJ,ififll=============

ti

• ·

IS

~

LZ760ff~

134
133

131

130

129

905-{121

122

NEEDLE

BAR AND

145

146

A

115

TAKE-UP

905

8 C D

116

LEVER

E F G

MECHANISM

77

)

) )

,)

()

) )

tf-f*$~

Fig.

if-l::!'~$~:::J-I'"

No.
905

A

115

B

NEEDLE

Part

No.

c

D

116

E

F

G

117
118
119
120
121
122
123
124
126
127
128
129
130
131
132
133
134
140
141
142
143
144
145
146

BAR AND

-~~:::J-1'"

Code

No.

W330155H01
W502076H01
W468722H01
W468721

W450060H01
W450062H01
W470229H01
W450058H01
W502077H01

W468720H01
W468724H01
W468719H01
W500231
W468723H01
W472531
W502074H01
W468259H01

W333580H01

S561121
W468718H01
W468725H01
W474386H01
W474387H01
W468839H01
W502071
W468710H01
W502350H01
W468709H01
W330154H01
W468711
W468713H01
W468710H01

H01

H01

HOl

H01

H01

H01

QQ

~

l::!'

~.lJL:?-.

ll

~l::!'/?7/?

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=-

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7C

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tifilt.J7/t::/

r\

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it

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if

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1:1

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tl

~

(~I!)

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(40)

fl

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0-7

j'"Jt,0-7-~71)

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1/8(44)

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SKF70

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X4.5

::g

/IJ

X9

LEVER

Thread
connecting

left
Needle

Thread

Needle

Needle
Set
Thread
Thread
Thread

Needle

Sqt1are

Screw

Oil

Needle

Screw

.5

Needle

Thread

Needle
Thread
Spring
Screw
Base

Washer
Washer

Needle
Plug
Pin
Pin

Cover

Support
Bushing
Pin
Shaft

thread

pin

wick

plate

·

Name

take-up

crank

screw

bar

connecting

take-up
roller
roller

take-up

take-up

take-up
bar

connecting

block

bar

connecting

(for

Fig.

clamp

guide

take-up

washer

bar

MECHANISM

of

Part

lever

and

crank

crank

eyelet

link

stud

needle

rod

rod

guide

rod

(for Fig.115)

crank

beanng

lever
lever
lever

121)

screw

lever

bar

11!1/~

Amt.req

760

1
1
1
1

18

2
1

1
1
1

1
1
1
1
1
1

1

1
1
1
3
1
1
1
1
1
1
1
1
1
1
2
1
1

1rm

Fig.No.905':~t;

//

//

//

//

//

//

//

//

Fig.No.905':~t;

//

~

===============================================================LZ76o----

-

8-

-9-

=============E:il.•

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LZ760~~

170

166
165

T

••

a

IS~

ZIG

...

llitl=============

ZAG

MOTION

MECHANISM

164
163

161

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