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LUH-520
User Manual
24 pgs12.29 Mb0
Parts Book
18 pgs2.7 Mb0

Juki LUH-520 User Manual

No.
0002-00
model
=*~t*M*~*~
Two-needle,
Industrial
PARTS
--
~
.,
®
1975·2
LUH-520
'J
~ Y ~
Unison
Sewing
Feed
Lockstitch
Machine
BOOK
I
I
~
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~
~
:
'·
_...,_,,
,__.--
('"'
- -
TDIYD
JIKI
IIDUITRIAL
CD
••
LTD.
HOW TO MAKE
USE
OF
THIS
PARTS BOOK
1. This parts
2.
The
3. Explanation of codes
1)
21
(Example)
Ref. No.
Note: Consequently, in case C
3)
book
figures
on
(j)
The
part
® For
the
the
sketch.
The
codes in
(j)
A,1/75
D,1/75
@
M,1/75
@
C,1/75
Note
81234·123·000
so
pl;a~e
The
codes
(j) 2 ....
on
..
................ means required
® 2.0 ............
@ -....
....
is
divided, as a basic principle,
the
illustrations indicate
with
a mark in
parts
with
the "E.
.............. Added in
.............. Obsoleted from
..............
.............. Error in
Part No.
c
cc
Correct No.
~?'~o~
the
"Amt.
..
...... means required length, namely 2
.. ..
........ Part which was obsoleted from this parts list.
@ 1 ...................... This
(1) ............... }
(2)
..............
(3) ........
(Example) Ref.
No.
10 11 12
.
.....
. .
Note Part No.
;
:ti
C!
81234-012-0AO 811 SS·711151Q-SP Screw
the
"Note"
the
codes o
C."
(Engineering Change)
January,
(In this case,
"
.l'o ~ "
amount
the
down
column
required
the
part
correct
Description
Needle
The
(In this case,
(In this case, wntten
t
code
p
~~~!-~~U.~
means
Jl,
23-012·000
.
.?~~~~~t~ ~s-~r_on~!~~~-be~
Req."
column
is
ass"mbly
parts
which
•
the
corresponding
column
and
t,
1975
January,
only
when
of Japanese
figure in number
in
the
"
bar
is
entered
indicate
amount,
part
and
construct
Description
Frame Frame
into
various sections according to
numbers (Ref.
means this
in
"Note"
column
1975
substitute
(Amt.
Req .)
the
was
part
number
.l'o
~
"column
in
the
the
namely 2 ea.
is
written
assembly
asm.
part
column,
indicate following changes:
part
"Description").
"Amt. found
"E.C."
following:
meter
can be used intact, this
is
changed
Req."
in
January,
is writte11 in
.
~!!~.EI
C,3/75
column,
(in this case
down
in English as
unit
~1o.l
is
changed,
please refer
from
January,
column
shows
1975,
the
"Part
E.C.
the
the
and
the
part
E.C.
~!!~.EI
the
functions
shown
by
the
added,
obsoleted
to
explanation
1975
the
changed
so revised
part
"asm."
to
No."
column
number
unit
is
meter).
and
just above this
.u:A· -;;
of
respective parts.
Index.
or
revised.
under
part
number
amount
correct
part
and
o"!.
8
1234· 723·000
t
Wrong No.
in
the
"
as
"(~Jl)
","~~"in
is
shown
c
oc
7
v-.L.(H!)
7v-.L.
separate
the
-1E.
Jl. ~ "
~
sheet
will be shown in
figure.!
number.
wrong
part
column
Japanese.
the
assembly of these parts.
or
under
the
number
Amt. Req.
n•
is wrong,
Amt. Req.
n•
1
(1) (2)
1s
4. Examples of interchangeability
1)
In
case
of
changing interchangeable
Ref. Note Part No. Descri No.
81301·400·000 8
130
1·1
2)
In
case
Ref. Note Part No.
No.
1·1
1·40Q-OOOA
of
changing no-interchangeable
c
co
8
1234·200·000
8
1234·300·000
(In
.....
....
thi~
case,
~
.....
-
........
-~
parts
order
.....................
parts
ption
Needle
bar
Needle bar
parts
Descnption
Frame cover
Frame
cover
by
the
new
--
............................................
part
number)
.....
E.C.
~!!~.EI
D,12/74 A,12/74
E.C.
~J!~.EI
D,12/74
A,12/74
c
oc
Needle
bar
Needle
bar
c
AO
8
1234·300·000
7
v-.L.tJ,
~
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Amt
.
Req.
ft.
Amt
.
Req.
ft.
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4.
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......
I/75··
/7
5·· · · · · · · ·
C. 3/7
CD
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li•ttn•~
Ref. No. Note Part No.
5·········197SJ!!,3fJI::.fl.:ll=rT>;;Ah'
i.!l:le
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(
1Jol)
Ref. No. Note Part No. Description E.
...
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;
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10 81234·012-0AO Frame 11 12
A •
81301-4QQ-OOO 81301-40Q-QQQ-A
81234-~,Q-000
812JOmooo
eli'
L ~ • A
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.
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:liE. Description
Needle bar
'tr;.!l:.
t.lt..,
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r
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'
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•
711151Q-SP Screw
Needle bar Needle bar
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nt:-&IJtlll
.
(Ref.No.)l::)tlthc;T~
ifl:IJD.
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Description
Frame cover Frame cover
e.
L •.
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....
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j
CONTENTS
El
~
1.
MACHINE HEAD & MISCELLANEOUS COVER COMPONENTS
iJUlB91-*flll1i
2.
UPPER MECHANISM COMPONENTS
3.
NEEDLE BAR, FEED ROCK SHAFT COMPONENTS
4.
PRESSER
.1:
att
MAIN
..
,
~"'
•,
*l¥~
*'I..,
5.
SEWING HOOK SHAFT COMPONENTS
"'Ffdl,
6.
KNEE LIFTER AND
R..l:.tf,
7.
EXCHANGING GAUGE PARTS
~--7-
8.
NUMERICAL INDEX OF PARTS
*
*l¥iill(l1i . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
~I
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
SHAFT, THREAD TAKE-UP & SAFETY CLUTCH
~~-·JIIl1i
'J
**""1i
BAR & WALKING FOOT COMPONENTS
.1:~
'J
11(11i
OIL
$dl~lrlll1i
~IB.H.
..........................................................
.............
..................................
.....
.'
....................................
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
RESERVOIR COMPONENTS
..
..............
..
........
.
................
.
.........
3
11
13
16
1.
MACHINE
HEAD
& MISCELLANEOUS COVER COMPONENTS
- 1 -
1.
MACHINE HEAD & MISCELLANEOUS COVER COMPONENTS
Ref.
Note Part No.
No.
;
uc
oil.
B3101-053-000 2 3 4 5 6 7 S5-9111010.SP B 9
10 11 12 13 14 SS-209071 15 16 B1112-512-EOO 17 B 1113-512-EOO lB 19 20 21 22 23 24 25 26 27 2B
29
30 31 32 33 34 35 36 37
B31
11
B
B1140.051-000
S5-309061
B
1423-051-000
WP-0480856-SP
1129-563-000
B
SS-2090710.SP
B113().051-000
S5-209071
B1131-051-000
B1114-051-000
BlllG-051-0AO
BlllG-051-000
Bllll-051-0AO
B
11 SS-211 SS-6090630.SP
B1104-051-000
B1157-009-0AO Oil cup, small .......................................................
B 112B-051-000
SS-Bll 051
B
11
SS-7160740.SP
B3501-051-000 B 1155-053-000 B 1509-051-000 Pressure regulating
B115().051-000 SD-0630241-SD B 1152-051-000
B3121-52().0BO Thread controller base asm .................................
B3121-52().000 Thread controller base ........................................
•
06-019-000 03-051-000
O.SP
O.SP
O.SP
09-520.KOO
0920.
TP
O.SP
58-563-000
Face plate .............................................................
...
Set screw .......................................................
...
Set pin ........................................................... .
Thread take-up oil shield ..................................
...
Set screw .......................................................
bar
Needle
...
Set screw .......................................................
...
Washer ........................................................... .
Frame thread guide, upper ................................... .
...
Set screw .......................................................
Frame thread guide, middle ...............................
...
Set screw ........................................................ .
Frame
thread
...
Set screw ........................................................ .
thread guide pin .....................................
Needle
slide, left (3/B") standard ............................
Bed Bed slide, Bed slide asm.
Bed slide ................................................................
...
Stopper
Throat
plate (3/B") standard ............................
...
Set screw .......................................................
. . . Guide screw .................................................. .
. . .
Stopper
Three-hole ...
Set screw .......................................................
Thread take-up cover ...........................................
...
Set screw .......................................................
Upper main shaft Upper feed rod oil
Top
cover .............................................................. .
...
Set screw .......................................................
...
Washer ..........................................................
Description E.C.
frame guide .....................................
guide, lower ..................................
nght
(3/B"l standard .........................
..
.....................................................
..........................................................
pin .................................................. .
thread eyelet ...................................... .
front
bushing oiling
cup
......................................... .
thumb
screw ......................
tube
....
38 B3114-761-000 Thread tension disc thread guide ....................... .
39 40 41 42 43
44
45
46
47 4B 49 50 51 52 53 54 55 56 57
NS-6060350.SP
B3124-051-000 Thread tension post ...........................................
B3125-012-000
B3126-051-000 Thread tension disc ..............................................
B3132-051-000 . . . Presser ........................................................... .
B31
29-053-000 B3131-051-000 Thread tension spring B3134-52().000
SD-04702B1-SP
B3122-051-000 Thread release lever pushing bar ....................... .
B3127-051-000 Thread release pin ..............................................
B312B-52().000 Take-up spring ....................................................
B3123-52().000
B3137-52G-OAO SS-608081 S5-B111251-SP . . .
B3138-051-000 Take-up spring adjusting plate ............................
S5-7090520.SP SS-711 0720.SP
O.SP
...
Nut ................................................................. .
Thread tension
Thread tension spring ........................................
Thread release lever ..............................................
...
Set screw .......................................................
...
Stud
.
Guideasm
. . . Guide disc set screw ................................
Stud
...
Set
Thread controller base
nut
..............................................
stopper
pin ......................
.............................................................. .
.....................................................
screw ..................................................... .
screw .......................................................
set
screw .......................... .
Amt.
oil.
.. ..
mit&
.....................................................................
iWt&.ilo.:t-:/ iWt&.ilol:':...
.. .. .. ..
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............................................
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..
(1)
.
. .. .. ..
-
2-
,
:;.
2.
UPPER
MAIN
SHAFT, THREAD TAKE-UP & SAFETY CLUTCH MECHANISM
...
.
12
9
4
•
3~
L-
--
_.)
COMPONE~'TS
~--
~~-~*··~~
!581
60
~
61
~!59
{D-63
•"(j
1
64
26
48
65
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