Miller A-500 Manuel du propriétaire - Page 11
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SECTION
2-
INTRODUCTION
2-1.
GENERAL
This
manual has been
prepared especially
for
use
in
familiar
izing
personnel
with
the
design, installation,
operation,
main
tenance, and
troubleshooting
of
this
equipment.
All
informa
tion
presented
herein should be
given
careful consideration
to
assure
optimum
performance
of this
equipment.
2-2.
RECEIVING-HANDLING
Prior
to
installing
this
equipment,
clean all
packing
material
from
around the unit and
carefully inspect
for
any
damage
that may have occurred
during shipment.
Any
claims for loss
or
damage
that
may
have occurred
in transit
must
be filed
by
the
purchaser
with the carrier. A
copy
of the bill of
lading
and
freight
bill will be furnished
by
the carrier
on
request if
occasion
to
file
claim
arises.
When
requesting
information
concerning
this
equipment,
it is
essential
that Model
Description
and/or
Stock Number and
Serial
(or
Style)
Numbers of the
equipment
be
supplied.
2- 3. DESCRIPTION
This unit is
a
water-cooled,
constant
potential
welding
power
source
which
produces
dc.
current.
This
welding
power
source
is
designed
to
be used in
conjunction
with the Gas Metal-Arc
Welding (GMAW)
process.
This
unit is
designed
to
be
operated
from
a
single
input
volt
age,
three-phase,
60 Hertz
power.
2-4.
SAFETY
Before the
equipment
is put into
operation,
the
safety
sec
tion
at
the front of this manual should be read
completely.
This will
helpavoid possible injury
due
to
misuse
or
improper
welding applications.
The
following
definitions
apply
to
CAUTION, IMPORTANT,
and
NOTE blocks found
throughout
this
manual:
th is h
eading,
in
stallation,
operat
in g, and
ma
in
tenance
procedures
or
practices
will be found that if
not
carefully
followed
may
create
a
hazard
to
per
sonnel.
I
.
~.
.
Under this
heading, installation,
operating,
and
main
tenance
procedures
or
practices
will be found that if
not
carefully
followed
may result in
damage
to
equip
mebt.
SECTION
3
-
INSTALLATION
3-1.
LOCATION
Figure
3-1. Dimensional
Drawing
A proper installation site should be selected for the
welding
power
source
if the unit is
to
provide dependable
service,
and
remain
relatively
maintenance free.
A proper installation site
permits
freedom of air
movement
into and
out
of the
welding
power
source,
and also least
subjects
the unit
to
dust, dirt, moisture,
and corrosive
vapors.
The installation site should also
permit
easy
removal of the
welding
power
source
outer
enclosure
for
maintenance
functions.
Holes
are
provided
in
the
welding
power
source
base for
mounting
purposes.
Figure
3-1.
gives
overall dimensions and
the
base
mounting
hole
layout.
On
most
welding
power
sources
a
lifting
device is
provided
for
moving
the unit.
H~ever,
if
a
fork lift vehicle is used for
lifting
the
Unit,
be
sure
that the lift forks
are
long enough
to
extend
completely
under the base.
IMPORTANT
The
use
of lift forks
too
short
to
extend
out
of the
opposite
side of
the base will expose internal
com
ponents
to
damage
should the
tips
of the lift forks
penetrate
the bottom of the unit.
Open
Circuit
Voltage Ranges
Rated
Welding
Current 100%
Duty Cycle
input
At Rated
Load
Output
60 Hz.
Three-Phase
Amperes
At
230V
460V
480V
kva
kw
54
27
26
21.6
20.4
Dimensions
(Inches)
Weight
(Pounds)
Net
Ship
260
275
39.4
344
29.3
38.7
33.6
28.6
37.9
32.9
27.9
37.3
32.2
27.1
36.5
31.5
26.4
35.8
30.8
25.7
35.1
30.1
24.9
24.2
500
Amperes
@
35
Volts
Height
-
17-314
Width
-
19-1/2
Depth
-
18-1/4
Add
2-1/4
For
Lifting Eye.
Figure
2-1.
Specifications
NOTE
Under this
heading,
explanatory
statements
will
be
found
that
need
special emphasis
to
obtain the
most
efficient
operation
of the
equipment.
1-1/2
OM-233
Page
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