Brother CB3-B913 - Page 3

( SPECIFICATIONS J
Sub-clas s - 1
I
-2
Stitc h type
Single ch
ain stitch, single needle,
single
thread (JIS C ll)
Speed
1,500 r pm
Button cla mp lift S tandard 14 mm, Maximum 20 mm
Motor
4P, 25 0 W mo tor
(s ingle-or thr ee-ph as e)
Sewable button size
8 to 30 mm in ou tside diam eter
2.5 to 6.5 mm in b utton hole spac ing.
Numbe r of st itc he s
8, 16 , 32
I
6, 12, 24
Nee dle bar stro.ke
48 mm
Belt
diam e ter
6.5 mm ¢ round leat h er belt
Fla t bu tton
e
@
S tit ch
Form
Nee dle
T Q
X 1 for A a t button s ewing
TQ X 7 for shank butt on se\\'ing
Sha nk button
2
( INSTALLING J
[I] . Motor Base
In case of using a co mm ercial motor, select one of th ose * In case of using a commercial t ab le. dr ill hol es as shown below.
shown below.
Powe r requirement s
Motor
Single-ph ase
4P, 250 W mot or
Three - pha se
4P, 250 W m oto r
Motor Pulley
Se l ect th e co rr ect motor pu ll ey f rom the ta ble below
which s
ui ts the power so ur ce fre qu ency of your area.
So ur ce
Machi ne
Mo tor pull ey
frequen cy
speed
Outs id e di ameter
Pulley
50
Hz
1 ,5 00 rpm
75 mm N-75 pulley
60Hz 1,500 rpm
65
mm N-65 pulley
~ - Setting up the Machine
l. Pl ace the machine head on the t able , and
faste n the head with four h exagona l bolt s 0 .
n at washe rs f) . was her s 0 and nut s 0 .
- I -
0
Lf)
0
0
N
1. -,.
U')
co
0
U')
2. L oo se n the head clamp bolt 0 . ope n th e bed
cover
0 . tilt the ma chine h ea d to the left, and
h
oo k th e chain (l) to th e c lut ch actuat ing l ever
f) .
From the library of: Superior Sewing Machine & Supply LLC