Brother CB3-B913 Instruction Manual
INSTRUCTION
FOR
MANUAL
BROTHER
CB3-B913
Chain
BROTHER
Stitch
INDUSTRIES,
NAGOYA,
Buttoning
JAPAN
Machine
LTD.
© FEATURES
* Model CB3-B913 is
sewing
shirts.
and children's clothing.
The number
*
changed to
ope
in a wide
*T
rai
efficiency.
* A
shock
*
Attachments may
pearl
buttons on
workin
ration
so
ran
he
button clamp
sed
and lowered
unique
and ass
button sewing
g c
lothe
of stitches ca
8.
16
or
the
machine can
ge
of
brake
ure
s a qui et stop.
an
ideal ma
to
s, l
32
with
butt
on sewing
I S
for
minimi
be installed fo r
etc.
chine fo r
knitw
ork.
adies gar
n be easily
simple le
be used
automatically
bett
er sewi
zes
stopping
dre
ss
ment
ver
work.
ng
easy
s
,:{l
.~
·-,·~J
u"
-i~
~
·
""'
( SPECIFICATIONS )
( INSTALLING )
[I].
Motor Base ......
Mot
or
Pull
ey
......
~
-
Sett
ing up
the Machine
~-
Install
ing the
(
LUBRICATION
[I]
. Oiling
[2]
.
Trial
Operati
........
Button
.. .. ..... ·
on
......... · ·
....
· · ..
.............
Tray ........................ · .. · ...........
AND
..... · .................... · ........
......
··
............ · .............................
.............
........
........
.....................
.. ·
.................
....
.....
....................................
TRIAL
OPERATION , ....
( CORRECT OPERATION )
. Longitudinal
~-
Button Inserti
~-
Chang
@.
Needle and
and
Tran
on
·· · ........
ing the Number
Thr
ead ...... ·
sversa
l Feed Positioning ·
· · · · ··· · .. · · · ·
of
Stitch
es
......
. ·
........
..............................
....
.....
...
.....
· · ........ · .... · ......
· .. ·· ·
.. · ........
·· .. ··
...... · ........
. ·· · .. · ·
...
.................
..........
.......
· ·
.. · ....
· .. · ·
....... ·
.......... · .....
......
......
........
....... 2
.....
....
· ... 4
· ·
1
~-
Needle Installing .
[Q].
T
hreading
[1]
.
Thread
. 1
~-
Adjusting ·
E
I
~
-
Adjust ing the
I
I
( STANDARD ADJUSTMENTS )
2
[D . Needle
2
~
-
Needle and Looper
2
~
-
Needle
@ . Needle
~
-
Thread
3
[Q].
Su
[1]
. Button C
( TROUBLESHOOTING )
··
. 3
4
4
ye
after
b-T
T ension
Sew
Bar
Clea
Guard
Looper
ension
lamp
......
...
................................... ····
.....
· · ..
.................
........ · .............. · ........
eed
le
Thre
ing · ·
.......
Button
Cla
Hei
ght
Adjus
Timing
ran
ce
Adjustme
Adjustment ................................
Timing
Adjustme
Lift
er
Adjustme
... ·
ad
Length fr om Needle
·· · · ·
......
mp Pressu
tment
Adjus
nt
......
Adjus
tment
nt
.........................................
nt
...........
· ... · · ·
......................
........................
···
.... · ......
·· ·
.........
··
· ... · · ·
.....
re
... · ....... · ..... · ......
tment
···
..................
· · · ....... · · ·
........................
..........
....
...........
. ·
·· ··· 4
·· ... ... 4
· .. ·
..
· ... 5
· ... · .. · · · ··· 5
............
.. ····
·· ..
· ..... 6
· .. · ...... 6
... 6
... 6
.........
···
·· .
........ 7
5
5
. 5
5
6
( SPECIFICATIONS J
Sub-clas
Stitc
h type
Speed
Sewable
Numbe
Nee
dl e
Nee
dle
s - 1
button
size
r of stitches
bar
stro.ke
Single ch
single
8 to
2.5
TQ
TQ
ain
thread
30
mm in outside
to
6.5 mm in b
8, 16,
32
X 1 for A at button s
X 7 for
( INSTALLING J
[I]
.
Motor
In
case
shown below.
Power requirement
Base
of
using a comm
Single-ph
Three-pha
ase
se
ercial
s
motor,
I
stitch, single needle,
(JIS C
1,500 r
utton
I
48
mm
shank
butt
select one
Motor
4P,
250
W mot
4P,
250
W m
-2
ll)
pm
diam
eter
hole
6, 12,
ewing
on
se\\'ing
of those * In
or
oto
r
spac
24
ing.
Motor
(s
ingle-or
Belt
S
tit
Form
case
Button
cla
mp
lift S
thr
ee-phase)
diameter
Fla
t bu
tton
ch
Sha
nk
button
of
using a co mmercial table. dr
0
Lf)
4P, 250 W mo
6.5
0
U')
tandard
mm
¢ round
e
2
14
mm,
tor
ill
Maximum
leather
hol
belt
es
as shown below.
20
@
mm
Motor
Select the corr
which s
~
Source
frequen
50
Hz
60Hz
-
Setting
Pulley
ui
ts the power sour
cy
ect
motor pull
Machi
ne
speed
1,500
rpm
1,500 rpm
up
the
ey from
ce
frequency
Outside di
75
65
Machine
the table below
of
Mo
tor pull
ameter
mm
mm
your
area.
ey
Pulley
N-75 pulley
N-65 pulle y
0
0
N
1.
-,.
U')
co
l.
Pl
ace
the
machin e
faste
n the head with four h
n
at
washe
rs
f)
.
was
head
her
s 0
on the t
exagonal bolt
and
nut
able
s 0 .
, and
s 0 .
- I -
2. Loosen
cover
ook th
h
f)
.
0 . tilt
the
head
clamp
the machine head
e chain (l) to the c
bolt 0 .
lut
ch
actuat
open th
to
the
e bed
left, and
ing l
ever
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