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SECTION
3-
SPECIFICATIONS
Table 3-1.
Specifications
Input
Power
Requirements
Electrode
Wire
Diameter
Capacity
Wire
Spool
Capacity
Electrode
Wire
Feed Speed
Weight
Net
Ship
10
to
20
lb.
24
VAC
3.5
Amps
50/60
Hz
.O23thru
.045
in.
(0.6 thru
1.1
mm)
(4.5 to
9
kg)
8
in.
(203mm)
spools
up
to
60
lb.
(27.2
kg)_coils
75-600 ipm
(1.9-15.2
mom)
at
24
VA~
30
lbs.
(13.6
kg)
33
lbs.
(15 kg)
SB-124
467
Figure
3-1. Overall Dimensions
3-1. DESCRIPTION
This
unit
is
a
semiautomatic
constant speed wire feeder
which
operates
on 24
volts
ac.
The
feeder
is
designed
for
connection to
a
constant
voltage (CV)
type
power
source
through
a
14-pin
connector.
If
115
volts ac
is
the
only
power
available
for
use
with
the
feeder,
the
optional
power supply
adapter
Model
PSA-2
115/24 should
be
used
to convert
the
power
to
24
volts
ac.
The
case
can
be
tightly
latched to
help
keep
out
dust
and
dirt.
SECTION
4-
INSTALLATION OR
RELOCATION
4-1.
LOCATION
(Figure 3-1)
The
service
life
and
efficiency
of
this unit
and
associated
components
are
reduced
when
they
are
subjected to
high
levels of
dust,
dirt, moisture,
corrosive
vapors, and
extreme
heat.
A
proper installation
site should
be
selected
for
the
wire
feeder
if
the
unit
is
to provide
dependable
service.
Lead
lengths
must
be
considered
when
installing
the
unit.
A
slot
is
provided in
the
base
of
the
unit
to
fit
over
the
lifting
eye
on
welding
power
sources
so
equipped. Suitable
space
should
be
maintained
around
the
unit
for
making
necessary
connections
and
for
maintenance
functions.
4-2.
DRIVE
ROLL
INSTALLATION (Figure 4-1)
A
WARNING: ELECTRIC
SHOCK
can kill.
•
Do
not
touch
live
electrical
parts.
•
Shut
down
wire
feeder and
welding
power
source,
and
disconnect
input
power
employ
-
ing
lockout/tagging
procedures
before
in
-
specting
or
installing.
Lockout/tagging
procedures
for
wire feeder
con
-
sist
of
disconnecting
interconnecting
cord,
and
for
welding
power
source consist
of
padlocking
line
disconnect switch
in open
position,
remov-
ing
fuses
from
fuse
box,
or shutting
off
and
red-
tagging
circuit
breaker
or
other
disconnecting
device.
Stop
engine, and
disconnect negative
(—)
battery
cable
from
battery
on
welding
gen
-
erators.
TM-1571
Page
3
10-112
In.
(267
mm)
22-1(2
in.
(572
mm)
S-21E