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  9. Brother LT2-B841 User manual

Brother LT2-B841 User manual

Twin
Needle, Lockstitch
Machine
Doppelnadei-Verriegelungsstichmaschine
Machine
a Double
Aiguille
pour
Point
Noue
Maquina
de
Doble Pespunte con Dos Agujas
LT2-B841 · LT2-B842 · LT2-B845
LT2-B847 · LT2-B848
LT2-B872 · LT2-B875
INSTRUCTION
MANUAL
BED
IENU
NGSAN
LEITU
NG
MANUEL
D'INSTRUCTIONS
MANUAL
DE
INSTRUCCIONES
From the library of: Superior Sewing Machine & Supply LLC
CONTENTS
~
NAMES
OF
MAIN
PARTS
~
.......................
~
INSTALLATION
~
5
ITJ
PowerTable
..........
..
......
...
..
............................. 5
[2]
To Attach
the
Oil Pan and Knee Lifter ............ 6
~
To
Attach the Rubber Bases and Cushions
...
7
[1]
Installing
the
Skirt, Knee Lifter
Compl
ying
Bar...
.......................................
...
..
. 7
[5]
To
Install
the
Ma
c
hine
H
ead·
Belt
Tension.
...
8
[QJ
To Attach
the
Bobbin
Winder......................... 9
ITl
To
Attach
the
Thr
ead
Unwind
er .................... 9
[BJ
Precau
tions
Before Installing
the Belt Cover ...................................
..
............ 10
~
LUBRICATION
~
.......................................
11
ITJ
Lubrication ......................................................
11
[2]
Oiling
...............................................................
12
~
COR
RE
CT
OPERATION
~
.....................
...
13
ITJ
To Attach
the
Needles ....................................
13
[2]
To Remove
th
e Bobbin .........................
..
.....
..
.
13
~
To
Wind
the
Lower
Thread ............................ 14
[11
To Attach
the
Bobbin ...................................... 15
[5]
L
ower
Threading
............................................ 16
[Q]
UpperThreading
............................................
17
[1]
Adjustment
of
the
Presser Foot Pressure ...... 18
[BJ
Adjustment
of
the
Stitch Length .................... 18
[9]
Thread Tension .............................................. 19
[Q]
To
Stop
the
Needle Bars ................................ 23
~
STANDARD
ADJUSTMENTS
~
.................
25
ITJ
Adjustment
of
the Needles and
Fe
ed-
Timing
................................................... 25
[2]
Adjustment
of
the
Needles and
Rotary-Hook
Timing
....................................... 26
~
Adjustment
of
the Presser Foot He
igh
t .........
31
[11
Adjustment
of
the Feed Dog
Height
.............. 32
[5]
How
to
Change Gauges ................................. 33
~
TROUBL
ES
HOOTING
GU
ID
E
~
............... 37
IN
HAL
TSVERZEICHNIS
~
TEILEBEZEI
C
HNUNG
~
...........................
~
AUFSTELLUNG
~
...................................... 5
ITJ
Nahtisch .......................................................... 5
[2]
Montage
der
Olwanne
und
des
Kniehebers ......................
...
.............
..
.............. 6
~
Montage
de
r
Gummiauflagen
und
der
Dampfer
.....
..
................................................... 7
@
Montage
de
r Tulle und der
Knieheberstange ...................
..
.....................
..
7
[5]
Aufstellung
des Maschinenoberteils
und
Riemenspannung ............
..
......................
..
..... 8
[Q]
Montage
des Spulers ..................................... 9
[1]
Montage
des Spulentragers .......................... 9
[BJ
Vorkehrungen
vor
dem
Anbringen
rles
Ri
emenschutzes .......................................
10
~
SCHMIERUNG
~
.......................................
11
[I]
Schmierung ....................................................
11
[2]
Vor
der
lnb
etriebnahme .................................
12
DER
RICHTIGE
MASCHIN
EN
BETRIEB
.......................... 13
[I]
Nadelbefestigung ................................
..
......... 13
[2]
Entnehmen
der
Spulen .................................. 13
~
Aufw
ickeln des
Un
ter
fadens .......................... 14
@ Einsetzen
der
Spulen ...................................... 15
[5]
Einf
adeln des Unterfadens ............................ 16
[QJ
Einf
adeln des Obe
rf
adens ..............................
17
[1]
Einstellung des Stoffdruckerfuf?.drucks ......... 18
[BJ
Einstellung
der
Stitchlange ............................
18
[9]
Fadenspannung ..............
..
.............................
19
[Q]
Abschal
ten
einer
Nadelstange ........
..
............. 23
~
STANDARDEINSTELLUNGEN
~
.............. 25
[I]
Einstellung des Nadel- und
Tr
ansporte
ur
gleichlaufs ................................ 25
[2]
Einstellung
der
Nadei-Greifer-
synchronis
ierung
..
.
..
...................................... 26
~
Einstellung
de
r Stoffdruckerfuf?.hohe
..
........
..
31
[1]
Einstellung
de
r
Transporteurhohe
................ 32
[5]
Austauschen verschiedener T
ei
le ................. 33
~
FEHLERSUCHE
~
..................................... 38
From the library of: Superior Sewing Machine & Supply LLC
TABLE
DES MATIERES
~
NOMS
DES
PIECES
PRINCIPALES
~
~
MISE
EN
PLACE
~
...........
...
..
.
..
.
..
.
..
......
..
........ 5
[iJ Table ...........
..
..
................................................ 5
[ZJ
In
stallation du reservo
ir
d'hu
il
e et
du
relevage au genou .......................................... 6
~
In
stallation des supports
de
caoutchouc
et des amortisseurs ........................................ 7
@
Montage
de Ia jupe, de
Ia
barre de liaison
de
genoui
llere ................................................. 7
[Q]
In
stallation de Ia tete de Ia machine.
Tension de
courroie
correcte ......................... 8
~
Installation de l
'e
nrouleur
de cannette .......... 9
ITl
Installation
du
porte-bobines ......................... 9
1BJ
Precautions a prendre
avant
de
monter
le couvercle de
courroie
.................................
10
~
LUBRIFICATION
~
..
....
..
........
....
..
..
........
..
.
11
[1]
Lubrification ...................................................
11
[ZJ
Graissage ............................................
..
.......... 12
~
FONCTIONNEMENT
CORRECT
»
..
......
..
.13
[1]
Installation des a
iguill
es ................................ 13
[2]
Depose de Ia cannette .................................... 13
~
Bobinage du fil inferie
ur
................................ 14
@ Installation
de
Ia
ca
nne
tt
e .............................. 15
[5)
Enfilagedu fil i
nf
erie
ur
................................... 16
~
Enfilage du fil su
perieur
............
..
................... 17
ITl
Reglage du
pied
de biche ............................... 18
!Bl
Reglage de Ia
longueur
de
point
....................
18
~
Tension defil ..................................................
19
!!]!
Arret des barres aa
iguill
e
(droite etgauche) ...........................................
23
~
REGLAGES
STANDARD
»
....
....
..
....
..
....
..
..
25
[iJ Sync
hr
onisation des aiguilles et de
l
'e
ntraine
ment
................................................
25
[ZJ
Synchroni
sa
tion
des a
iguille
s et
du crochet
rot
atif
....................
..
...................... 26
~
Reglagede
Ia
ha
ut
e
ur
du pied de biche ........ 31
111
Reglage de
Ia
haute
ur
des griffes
..
..
............
..
32
[5)
Comment
changer les jauges ........................ 33
~
RECHERCHES
DE
PANNES
~
................... 39
INDICE
DEL
CONTENIDO
NOMBRE
DE
LAS
PIEZAS
PRIN
C
IPAL
ES
~
INST
A
LA
CION
~
....
..
..
..
........
..
..............
..
..
. 5
[1]
Mesa de Ia
maquina
....................................... 5
[ZJ
Para colocar el deposito de aceite y
e
ll
evantador de rodilla .................................. 6
~
Para colocar a
lm
ohadillas y bases de
cauc
ho
............................................................. 7
@ lnstalaci
on
de Ia falda, barra de trans-
mi
sion de
lle
vantador
de rodilia
..
.................. 7
[Q]
Para instalar Ia cabeza de Ia maquina·
Tension de Ia correa ....................................... 8
~
Para colocar
el
devanador de Ia bobina ........ 9
[Z]
Para colocar
el
port
a-conos ........................... 9
!Bl
Precauciones a
tom
ar antes de instalar
Ia
cubierta de
Ia
correa ...................................
10
~
LUBRICACION
»
......
..
..
....
..
......
....
..
....
....
...
11
[1]
Sistema de lubricacion ...................................
11
[ZJ
Aceitado
..
..
...................................................... 12
P
ARA
UN
FUNCIONAMIENTO
C
OR
R
ECTO
....
....
....
13
[iJ Para colocar l
as
ag
ujas
..
........
....
.....................
13
[ZJ
Para sacar Ia
bobin
a .......................................
13
~
Para devanar el
hilo
i
nf
e
rior
........................... 14
@ Para colocarIa bobina .................................... 15
[Q]
Para enhebrar el
hilo
inf
er
ior
......................... 16
~
Enhebrado de los hilossuper
ior
es ................
17
[Z]
A
ju
ste de Ia presion del pie
de
l
pren
sa
tel
as
..................................................... 18
!Bl
Ajuste
de
Ia
longitud
de Ia pu
nt
ada
....
..
..
.......
18
[91
Tension del hilo ..............................................
19
!!]!
Para
que
dejen de funcio
nar
las barras
de Ia aguja
._
..........................
..
..........................
23
~
AJUSTES
~
.....
....
.....
..
....
....
.....
..
..........
25
[iJ Ajuste
de
Ia
sincronizacion de las agujas y
Ia
alimentacion ...............................................
25
[ZJ
Ajuste de
Ia
sincronizacion de l
as
ag
uja
s
y
ca
ngr
e
jo
s .......................
..
..
..
.........
..
.............
26
[3]
Aju
ste de Ia altura del pin del prensatelas ..... 31
@ Ajustede Ia a
lt
ura del
alimentador
................
32
[5)
Como
ca
mbiar
los
ca
libradores .............
..
......
33
GUIA
PARA
LA
LOCALIZACION
DE
FALLAS
........
40
From the library of: Superior Sewing Machine & Supply LLC
NAMES OF MAIN PARTS
TEILEBEZEICHNUNG
NOMS DES PIECES PRINCIPALES
NOMBRE DE LAS PIEZAS PRINCIPALES
[L
T2-B841]
Twin
Needle, Needle Feed
Lock
s
titch
Machin
e
Doppeln
a
dei-Stepp
s
tich-Ma
schine
mit
Nadeltr
ans
port
Machine
a
double
aiguille
a
entrainement
par aiguilles
et
po
int
noue
Ma
quina
de
doble
pespunte
con
transporte
de aguja y
do
s agujas
0 Needle
plat
e
Stit
c
hpl
a
tt
e
Plaque a aiguille
Pl
aca
de Ia aguja
6 Face plate
Fro
ntabd
eckung
Plaque frontale
Placa frontal
0 Oil ga
uge
w
indow
Ols
ichtg
las
Fenetre de Ia jauge
d'
h
uile
Ve
nt
anilla me
di
dora
de
l
aceite
O o il
in
let
Einfi.ill6ffnu
ng
O
rif
ice
d'
hu
ile
Entrada del ace
it
e
0 P
ulley
Ri
emenscheibe
Poulie
Polea
0 Model
plat
e
Modellschild
Plaque de
mod
ele
Placa
mod
elo
[LT2-B842) Tw
in
Needle, Needle Feed
Lockstitch
Machine
with
Reverse Feed
Doppelnadei-Verriegelung
s
stichmaschine
mit
Nadeltransport
und
Transportrichtungsumkehr
Machine
a
point
noue
a
aiguilles
jumele
es
et
entrainement
reversible
Maquina
de
doble
pespunte
con
transport
e
de
aguja y
do
s agujas con re
troceso
de
Ia
alimentaci6n
[LT2-B847)
Twin
Needle,
Drop
Feed,
Lockstitch
Machine
Doppelnadei
-
Verriegelung
s
sti
c
hmaschin
e
mit
Untertransport
Machine
a
point
noue
a aiguilles
jumele
es
et
entrainement
inferieur
Maquina
de
doble
pespunte
de
do
s agujas
con
alimentac
i6n
inferior
-
1-
0 Needle plate
Stitc
hp
latte
P
la
que a aiguille
Placa de Ia aguja
6 Face plate
Fr
ontab
deckung
Plaque frontale
Pla
ca
frontal
0 Oil gauge
windo
w
Olsichtglas
Fene
tr
e de Ia jauge
d'
hu
ile
Ventan
ill
a medidora del
aceite
()
Oil inlet
Ein
fi.i
ll
6f
fn
un
g
Or
if
ice d'huile
Entrada del aceite
0 Feed adj
ustment
dial
Transporte
instellscheibe
Cadran
de
reglage
de
l'entrainement
Dial de ajuste de
al
imentac
i
6n
0 Reverse feed lever
Umkehrhebel
Levier
d'invers
ion de
l'en
tr
ainem
ent
Palanca de retroceso de
Ia
ali
mentaci6
n
From the library of: Superior Sewing Machine & Supply LLC
[LT2-B845]
Twin
Needle, Needle Feed, Lo
ckstitch
Machine
with
Angular
Stitching
Dop
pelnadei-Ecken/Ve
rri
egel
ung
sstichmaschine
mit
Nadeltransport
Machine a
point
noue aaigui
ll
es jumelees
et
entrainement
par
aiguille avec
point
oblique
Maquina
de
doble pespunte con
transporte
de
aguja y
dos
agujas con
puntada
angul
ar
[L
T2-B848]
Twin
Needle, Drop Feed, Angular S
titching
Ma
ch
in
e
Doppelnadei
-E
cke
nniihm
aschine m
it
Untertran
s
port
Machine a
point
oblique
a aiguilles jumelees
et
e
ntr
ainement
inferieur
Maquina
de
coser puntadas angulares de
do
s agujas con a
limentaci
6n
inferior
0 Needle plate
Stitchplatte
Plaque a aiguille
Placa
de
Ia
aguja
8
Face
plate
Frontabdeckung
Plaque
front
ale
Placa frontal
0
Oi
l gauge w
indo
w
Olsic
ht
glas
0 Oil inl
et
Eintulloffnung
Orifi
ce
d'
huile
Entrada del aceite
0 Feed adjustment dial
Transporteinstellscheibe
Cadran de reglage
de
l'entrainement
Dial
de
ajuste
de
alimentaci6n
0 Reverse feed lever
Umkehrhebel
Fenetre
de
Ia
jauge d'huile
Ventanilla medidora del
aceite
Levier d'inversion
de
l
'e
ntraineme
nt
Pal
anca de retroceso de
Ia
a
lim
entaci6n
-
8842
-
8845
-5 -3 -5 -3 -5
For For
For
Use
medium
-For
thick
medium
-
For
thick
medium
-
For
thick
thick
-
mat
erials
thick
mat
erials
thi
ck
mat
erials
materia
ls
materia
ls
materia
ls
Sew
ing
s
peed
(
spm
) 4
50
0 3500 4500 3500 3000
S
tit
ch l
eng
th
4
mm
5
mm
4
mm
5
mm
Presser Presser
foot
lift
er 7
mm
f
oo
t
heig
ht
Knee
lift
er
13
mm
Feed dog h
eight
1
mm
Nee
dle
s
DP
x5
#
11
-
#2
2
Nee
dl
e feed mecha
ni
sm
S
tandard
Single n
ee
dle st
op
devi
ce
N
ot
ava
il
able St
andar
d
Note: The needle feed mechanism is n
ot
provided on LT2-B8
47
a
nd
88
48
mod
els.
Hinweis: Die Typen LTZ-8847
und
8848 sind nic
ht
mit
ei
nem Nadeltransport ausgerustet.
-8847 -
8848
-7 -1
-1
For
thick
For
thin
For
thin
materials
materia
ls
materi
als
4500 3000
4
mm
DP
x 17 DP
x5#
9
-#1
4
#
16
- #23
Not
avail
ab
le
Not Sta
ndard
avail
ab
le
Remarque: Le mecanisme d'e
ntr
ainement par ai
gui
ll
e n'est pas
fo
urni s
ur
les modeles LT2-8847 et 8848.
Nota: El mecanisme de
tr
ansporte de aguja no existe
en
los modelos L
TZ
-8847 y 8848.
- 2 -
From the library of: Superior Sewing Machine & Supply LLC

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