Juki LZ-271, LZ-391N User Manual
1-N
eedle E
mbr
oidering Industrial Sewing Machine
..JUKI
-*it*miUII~~
:1
';I
Zs2271
1-N
eedle Lockstitch Hi-zigzag Embroidering,
Indu
str
ial Sewing Machine
-*tt*•~~
LZ0391N
PARTS LIST
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BE2710TOPJA
No.0011-07
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HOW
TO
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1.
The
p~rt number~
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11-
2
explanation
lc!~O>!~D_Ej
1)
Codes
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@
2)
Cortes
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0)
@
!
Eicample
Ref.
No.
{~-1
rf4~2
~
MAKE
1)
.A~
;tr.
.ft
f:
on
ll'o'l
"'
.........
#01
.......
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nn
A.10/83
0.10/83
When
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In
this cese, even
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Note
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In
case
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In
this case
1
.:
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USE
OF
(l)Jl"jj
of
parts
8BiPo
of
codes
the
°'le~
the
tr,iQ)ic.
....
....
previous
li
J~1l. ,,. 1,i '- •
(1§11)
·:,
w',en
J~iil')•it:,-!) t&~Ci);J'.t !I!
shown
Ci)
.g
31;1.
"Note"
column
means this
4i1@0')
,~-·;,
refer
to
the
-:;TO>
"E.C. {Engineering
~
Added
from
1983~
I0J:l
Obsoleted
1983~
IOFI
parts
(Obsoleted
;::
obsoleted
(D)
~
tL
Part No.
~
m
B1401-100-000
B1401·100-000-A
B 1105-200-000
! 81105-~00-000 I
previous
parts
the
new
part
185~.fa'1>fU3tJ'
in
~I:..;..:,
part
"Note"
•;He•
October,
.l
from
J:
~
o,
part
t:
~
,md
number
THIS
the
figure inrlic:a1e
is
changed
IJ
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exr,li1na1ion at
.:hange)"
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i!;to ~ n
October.
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UA
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@ C.10/83
[81105-500-000!
f
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the
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by
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:i
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.....
The
The
1983~1OA
"Amt.
Req,"
lei½
ZUI.
A ~ . 2 -" -
Indicates
=.
lndicales
Assembly
!llfti.,'i.~tA.r;x.L·c\•~,=f-llfl&-.,t,~hLJi.
amount
new
a,~:.-
number
.
amount
.l
column
2fl!l~~h
oarts
1
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sub
part
reQuired
'1
I-
obsoleted
J
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parts
is
order
Please
.:£.
L \ • ~ .. 3 -C
(§)
M.10/83
JI Codes
on
•
Ill
JI"'
© 2 . • . . . . • . • . lndicales amoun1 required
@ 2.0 . . . . . . . . . Indicates length in me1ers, (unit
@
@ {1 J • • • • • • • . • •
PARTS
It T \.
1:.
~1
CJ>l,tqlij
column
198J
2-
ftr:.
and
can
t.,
.:
Description
Needle
Needle bar
Frame
F,ame
part
,eplaced
-f-
Frame
•
is
required
Jkat.,•JtJ!t.·
LI.
JL-
~
~ h L S T .
t-
,.,.
which
shown
LIST
!he
l~o
(Re•
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l>o110111
~-
~ff.~ L
parts
ordered
~
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on
1he"
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~
from
is
shown
,,.
is
2
f·
is
from
the
construct
"asm."
corresponding
No)
"t:
(Added
with the
·t
Wli
in
-:it:
meter)
Ott
ports
il5Jt
the
and
•
~
from the previous parts list.
L
t:
1983
new
be
,i
bar
cover
covet
are interchangeable
~'-
r.ovr.r
changed
'? i!!•lfi ~ .ft,:
as
t:
;tr.
of
T ~ '-'
h·
Ji,
L 1.•JUt h'ac'.J-. L
October,
the
t,
numben
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~
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t:£11\8'
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~-'fu_,t,.
nage.
parts)
are
obsoleted
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~IP.~
~
with
each
.g
(Japanese)"
1983
"Amt.
Req".
:.o,ll~tt•~~t:IU.F
1:l
1:
-" -
I-
JL-
list.
-c
T.
assembly
par!.
i in
Japanese,
tUB~IH'&.gflK!l.:.~Jt·c
(Ref. No.)
°/
·1
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L
j...,.
not interchangeable
part
number.
<:
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column
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column,
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in
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A.10/83'
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of
the
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L
1.•Jtlh'~7f-
"Description"
shown
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p,evious
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by
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with
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LT
column.
·a::m·
Index.
11
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t
-,-
other:
with
changed da1es
SR
L
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.:
,i
Y.
T
C,
ca
so
please order
.:
,iJtT
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I')
l T
-'D,S{-C~it~,'f.LChl'JJ
by
i:-
~
1.•
1.
tlie
and
•
place
new
pan
your
Amt.
Req.
iitll
number .
t
orders .
"I..-.....'-.-....,
j j
j When Ordering The Spare Parts: i
j In order to
i (ox.
i
i j
i M ffl
i j
i
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1
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...........
B1100-012-AOO)
NUMBER,
ftl>
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i' o x,
~·~·
......
ensure
that
because
.Hi
5i x
en~
1
1 .A
.:·HO>~,-•;.,
~ao)1:
...,.
..................
'--•--.--.
............
...,.
..............
""
we
deliver the correcl parts to you, please cleatly
and
also the PARTS
there
arc
some
parts
LIST
which
NUMBEn
have
been
(ex.
....................
0010-01,
changed.
._
.......
--.-.. • ._ • ._
stale
when ordering the corresponding PART NUMBER j
given at the bottom right of
..................... ~ ..................................................
o, :.~;~~ i
~
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ten~
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~--·-·-·-·-·-·-·-·-·-·-·-·-·-·-·~·-·-·-·-·-·-·-·-·-·-·-·-·-·-·-·-~---·-·-·-·-·-·-·-·-·-·-·-·-·-·-·-·--------~
the
cover) or the
(<J1u.11,
3Ui,
~
t'.,
-
MACHINE
SERIAL·
s 1109-012-Aoo>-r
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;
CONTENTS
~
~
1.
FRAME & MISCELLANEOUS COVER COMPONENTS
ffi:g(I
•
91-~ffflfi
2.
MAIN
SHAFT
0
J:.ili~
tt~JROfl
3.
UPRIGHT SHAFT & LOWER SHAFT COMPONENTS
Jt.!Jdl O "'Ftllllfflfj
4.
PRESSER
¥Pz
5.
ZIGZAG REGULATOR COMPONENTS
=F-
6.
KNEE LIFTER &
FOOT & FEED & KNEE LIFTER COMPONENTS (FOR LZ-391N)
1
•
~
J • •J:.TBlHl(
.~
ara
OOffi
Dl..t-'f~fl • jdl!Jl!Trvlffi
7.
SPECIAL ORDER PARTS
~EIJj~,C~~
8.
EXCHANGING PARTS (FOR LZ-391N)
3'.Efl!l1I&L(LZ-391Nffl)
9.
NUMERICAL
~~
I . • • • • • • • • • • . . • . . • • • • . • • . . • • • . . • • • . • • • • • • • • • • • • • • • • • • . • • • . . . . 16
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • . . . . 1
& NEEDLE BAR COMPONENTS
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
. . . . . . . . . . . . . . . . . . . . . . • . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
LZ391
Nffl)
. .
..
• . . . . . . . . • . . . ...
.•.•......••
OIL
RECEIVER COMPONENTS
~
. . . . . • . . . . • • . . • • . . . • . • • . . . . . . . . • . . • . . . . . g
. . . . . . • . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • . . . . .
. . • • • . . . . . . . . . . • . . . . . . . . . . . • . . . . • . . . . . . . . . . . . . . . . • . . . 12
..........•........•....•.•.•................
INDEX
OF PARTS
.. . ..
. . . . . . . . . . 7
11
13
r~
:-~
~--
, \
I
..
a---,,.,
\~
....
,
I
/ 3 O)~~·;
I 6 I
I
f-........9!
I
/ S I
~!-~-..
--- -
l
I
I
~
I I
I'
I
-!-
..
J
I
,'
15
/
I
I
I
,.
j
50
3.
UPRIGHT
Ref.
Note
No.
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
~1)02
46
47
48
49
~'>01
so
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
Note
B1305·012·0CO
B1305-012·0B0
B1305-012·0AO
SS-8660810-TP
1306-012·0AO
B
SS-8660810B1307-012·ABO
B1307·012·AAO
SS-8660810-TP
B1307·012·BAO
SS-8660810-TP
B1301-027·000
B1302·012·0AO
ca-2000000-00
B1304·012·AOO
SS-8151150-SP
B
1303-012·0AO
CQ-2000000-00
B
1310-012·000
B
1308-012·0B0
SS-9181520-CP
SS-6160680-SP
SS-9181520-CP
B
131
B
1312-012·000
B
1313-012-000
B 1309·
SS-9181520-CP
SS-6160680-SP
B 1314-01
81865-391·COO
Bl
864-391-COO
SS-3090610-SP
Bl
838-391-COO
C0·3000000-00
B1852-391-COO
SS-
71
B1850-391-BOO
Bl
813-391-COO
SS-8110750-SP
B1816-271·800
B1853-391-CAO
SS-61
.·.-02
B
1830-
.02
SS-6110460-TP
B9117·039·000
89117•01
B 1 837-027-0AO
;01
B
1830-027-0AO
·>01
SS-6110460-TP
B9117-012-000
)02
88135-039·000
SS·6111620·SP
,,;,01
B
1835-027-000
B1851-391-CAO
SS-6110620-TP
S
1802-027-0AO
ca.
TA·0300503-RO
B 1
805-009-000
SS-6111440-SP
SS-8111010-TP
B1801-391-BOO
CS-0721210-SH
SS·B
B
1302-012-0AO
C0·
B 1304-012-AOO
SS-6111110-SP
(;~Ii!) ·)01 ..••.
SHAFT & LOWER
Part
No.
Gear &
Gear
&
Gear asm .................................................................. .
Screw 1 /4-40
Pinion
TP
Screw
&
Gear
Gear asm .................................................................. .
Screw
Pinion
Screw
Upright
Upright
Oil
wick
Felt
.......................................................................... .
Screw
Upright
Oil
wick
Oil
seal
Gear case asm
Screw
Screw ............................................ M
1-01
2-000
012·0B0
2-000
50940-SP
10620-
71
0-0AO
2-00Q
2020000-00
11
OS
t 0-SP
2000000-00
)02
Screw
Oil
seal
Oil
seal
Oil
seal
Gear case asm.,
Screw9/32·20
Screw
Oil
seal
Helical gear cover
Helical gear case (C) ............................................... .
Screw
Herical gear
Oil
wick
Helical gear
Scre\'V
Hook
Hook
Screw
Hook
Hook
ScrC\\I
TP
Hook
Screw ...................................................................... .
Bobbin
Bobbin
Bobbin
Sewing
Screw
Bobbin
Bobbin
Screw
Bobbin
Lower
Screw
Lower
Oil
wick
Plug
3.0
Felt
...........•........•.........................•............................
Screw
Screw
Lo~ver
Thrust
Screw
Lower
Oil
wick
Felt
.......................................................................... .
Screw
For
LZ-271
.••••
For
LZ·391N
SHAFT COMPONENTS
Description
pinion
asm
•........
pinion
asm.,
L=S.O ............................................... .
asm ............................................................ .
1i4-40
L08.0
pinion
asm.,
1/4-40
L=-8.0 ............................................... .
asm. . .......................................................... .
1/4-40
L=B.O ............................................... .
shaft ........................................................ .
shaft
bi;shing
................................................................. .
15/64-28
shaft bushing esm
................................................................. .
(A)
.............................................................. .
.•
9/32-20
L~l
9/32·20
L-"'15.0 ......................................... .
(Bl
.............................................................. .
(Cl
.............................................................. .
(Dl
.............................................................. .
L=-15.0 ......................................... .
....................................................................... .
(El
.............................................................. .
9/64·40
L"'6.0
shaft
................................................................. .
intermediate
15/64-28
shaft
(8)
shaft bushing (C) ......................................... .
11/64-40
shaft
bushing
shaft
helical gear asm. IC) ......................... .
11/64-40
asm ............................................................... .
.................................................................... .
.................................................................... .
case
asm ...................................................... .
hook
asm. .................................................. .
....................................................................... .
.................................................................... .
ca;e
positioning
11
/64-40
case
positioning
shaft
herical gear asm. . ............................ .
11/64-40
shaft
bushing
................................................................ .
L•4.5
11/64·40
11
/64-40
shaft
(8)
collar
asm ................................................... .
11
/64-40
shaft
bushing asm., rear ............................. .
................................................................. .
11/64-40L"'11.0
LZ·271.lff
LZ-391NJ:;J
: .•.......•........•.••••.•........•.•••
upper
.................................. ..
............................................... .
lower
................................... .
asm.,
upper
....................... .
L-=10.5 ...................................... .
••
lower
....................... .
upper
......................................... .
5.0
......................................... .
........................
lower
............................................ .
(Cl
................. M
............................................ .
intermediate
L ..
9.0
........................................................ .
L=6.5
felt
L ..
5.5
L ..
16.0
L"'5.5
asm.,
......................................................
L=14.0
L=9.5
..................................................... .
L'" 5.0 ........................................ .
.........................
IC)
................... .
(C) ................................ .
......................................... .
......................................... .
(Bl... ................................ .
......................................... .
finger
............................. .
......................................... .
finger
............................. .
......................................... .
front
....................... .
........................................
......................................... .
..................................... ..
..
.
..
..
M.1/80
0.12/79
A.12/79
D.12/79
M.1180
D.3/79
D.6/80
A.6780
C,
QQ
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