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SECTION 3
-
INSTALLATION
4-1/8
in.
5/16
in.
(7.9 mm)
(105 mm)
~LI
ameter
2 Holes
li
~
9-7/8 in.
-
(251 mm)
10-1/2
in.
__________
(267 mm)
3
-
1. LOCATION
(Figure
3-1)
-
The service life and
efficiency
of this unit and associated
components
will
be reduced when
they
are
subjected
to
high
levels of
dust, dirt, moisture,
corrosive
vapors,
and
extreme
heat.
The location should allow
room
to
open
the front
panel
and
to
remove
wrapper(s)
for
installation,
inspection,
maintenance,
and
repair
functions.
Provisions have been made for
mounting
the gas
con
trol
assembly
on
the bottom of the weld control. The
gas control
assembly
may also
be mounted
anywhere
in
line with the
welding
gun
thereby avoiding routing
the
weld cables and gas hoses back
to
the weld control.
Lead
lengths
must
be considered when
locating
all
com
ponents
of the weld control.
Mounting
holes
are
provided
in the gas
assembly
and
weld control.
Figure
3-1
gives
overall dimensions and
mounting
hole
layout.
3 -2.
SHIELDING
GAS
CONNECTIONS
(Figure
3-5)
-
Connect
a
hose
(not
supplied)
of proper
length
and construction from
shielding
gas
supply (regulator
flowmeter)
to
fitting
on
the IN
panel
of gas control
assembly.
The gas
fitting
is
a
5/8-18
connector
with
right-hand
threads. The gas flow
must
be
accurately
controlled
by
a
regulator
and flowmeter
at
the
source.
Connect
supplied
gas
hose
from
remaining fitting
on
gas
control
assembly
to
barbed
fitting
on
wire drive
housing.
3
-
3. WATER CONNECTIONS
(Optional)
C
MJTIION
_________
OVERHEATING
Gas
Metal-Arc
Welding
(GMAW)
gun
can
damage
gun.
If
using
a
water-cooled gun and
recirculating
coolant
system,
make
connections
from
the
coolant
system
directly
to
the
gun
hoses. Do
not
use
water
connections
on
the
gas
control
assembly.
Check
system
periodically
for proper
coolant flow.
When
a
recirculating
coolant
system
is
not
employed,
and
use
of the
provided
solenoid valve is
desired,
make
TA-080
485
water
connections
at
gas control
assembly.
The
water
fittings
are
5/8-18
connectors
with left-hand threads.
Connect
water
hose from
supply
to
fitting
on
IN
pane)
of gas control
assembly.
Connect another hose bet
ween
remaining
fitting
on
gas control and
gun IN
fitting.
Connect and
route
a
hose from
gun
OUT
fitting
to
a
proper
drain.
Check
system
periodically
for
proper
coolant flow.
7-3/4
in.
(197 mm)
(130 mm)
Coolant will flow
as soon as
the POWER switch
on
the
weld control is
placed
in the
ON
position.
If coolant flow
is desired
only
in
conjunction
with
shielding
gas
flow,
1~A-O8O 429
proceed
as
follows: Locate the lead connected from
pin
8 of
receptacle
RC9
to
terminal B
on
terminal
strip
2T.
Figure
3-1. Overall Dimensions And
Mounting
Disconnect this lead from terminal B
on
2T,
and
recon
Hole
Layout
nect
it
to
terminal C
on
terminal
strip
iT.
Page6
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