Miller PORTA-MIG Manuale d'uso - Pagina 20
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SECTION
4-
INSTALLATION OR RELOCATION
4-1.
LOCATION
(Figure
3-1)
J~
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
mak
ing
internal
connections.
Lockout/tagging
procedures
consist of
pad
locking
line disconnect switch in open
position,
removing
fuses
from fuse
box,
or
shutting
oft and
red-tagging
circuit breaker
or
other disconnect
ing
device.
The
service life and
efficiency
of
this unit and associated
components
are
reduced when
they
are
subjected
to
high
levels of
dirt, moisture,
corrosive vapors, and
ex
treme
heat.
A
proper installation site should be selected for the wire
feeder if
the unit is to
provide dependable
service.
Con
sider lead
lengths
when
installing
the unit. An
opening
is
provided
in base
of ABS units
(wire spool end)
in
case
feeder
must fit
over
lifting
eye of
welding
power
source.
Provide suitable space around the unit for installation
and
maintenance
procedures.
IMPORTANT: Wire feeders with
an
ABS
case
should be
positioned
horizontally.
The metal-cased models
can
be
placed horizontally
or
vertically.
Vertical
position
is
shown in
Figure
3-1.
4-2.
OPENING WIRE FEEDER CASE
4~
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
mak
ing
internal connections.
Lockout/tagging
procedures
consist of
pad
locking
line disconnect switch in open
position,
removing
fuses from fuse
box,
or
shutting
off and
red-tagging
circuit breaker
or
other disconnect
ing
device.
When it is
necessary
to
open
wire
feeder
case
to
inspect
or
install
components,
open
case as
follows:
A.
For Metal Case Models
1.
Release
the
two
latches,
and
fully
open
top
of
case.
2.
Close
and
secure
top
of
case
when
inspection
or
installation is
complete.
B.
For ABS Case Models
1.
Release
the two
latches,
and
remove
top
of
case.
2.
Install and
secure
top
of
case
when
inspection
or
installation is
complete.
a
WARNING: ELECTRIC SHOCK
can
kill.
Do
not store
metallic
objects
in this
com
part-
merit.
The
wire drive
assembly
is
electrically
hot whenever the
welding
circuit is
energized.
Loose metal
objects
in this
compartment
may
create
an
electrical
path
between the weld
output
circuit and any metal
surfaces
or
parts
resulting
in electric
shock.
4-3.
DRIVE
MOTOR
The
drive motor is
provided
with
a
vent
screw
which
must
be
removed before
operating
the wire
feeder. The
screw
can
be
removed
through
the hole
provided
in the motor
mounting
bracket.
a
CAUTION:
PRESSURE
IN
WIRE
DRIVE
MOTOR GEAR BOX will
damage
motor.
Remove
vent
screw
before
operation.
Open
feeder
case
according
to
Section
4-2
before
beginning
this
procedure.
Close
and
secure case
when
procedure
is
done.
Warranty
is void if the vent
screw
is not removed
before
operation.
4-4.
INTERCONNECTING CORD AND SHIELDING
GAS HOSE 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
in
put
power
employ
ing lockout/tagging procedures
before
mak
ing
internal connections.
Open
feeder
case
according
to
Section
4-2
before
beginning
this
procedure.
Close
and
secure case
when
procedure
is
done.
Lockout/tagging
procedures
consist of
pad
locking
line disconnect switch in open
position,
removing
fuses from fuse
box,
or
shutting
off and
red-tagging
circuit breaker
or
other disconnect
ing
device.
A.
InterconnectIng
Cord
1.
Place unit
in
a
horizontal
position.
2.
Remove
interconnecting
cord coiled inside wire
spool protector.
OM-1220
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