Filter
Top Products
3-3.
Connecting
Torch
~
~
~
READ
SAFETY
BLOCKS
at
beginning
4jj~1
~
of
manual
before
proceeding.
BUILDUP
OF
SHIELDING
GAS
can
harm
health
or
kill.
0
Shut
off
shielding
gas
supply
when
not
in
use.
warnl.1
9/91
Turn
Off
welding
power
source,
and
If
applicable.
install
high-frequency
unit,
disconnect
input
power
before
in
stalling
torch.
Obtain
the
following
hose:
Torch
With
Gas
Valve
1
Gas
Hose
With
5/8-18
Right-
Hand
Fittings
Connections:
2
Regulator/Flowmeter
3
Gas
Cylinder
4
Welding
Power
Source
5
Gas
Valve
6
Torch
Cable
7
Power
Cable
Adapter
Connect
hose
and
cable
to
adapter
before
connecting
adapter
to
weld
output
terminal.
8
Work
Clamp
Connect
work
clamp
to
clean,
paint-
free
location
on
workpiece.
as
close
to
weld
area
as
possible.
Use
wire
brush
or
sandpaper
to
clean
metal
at
weld
joint
area.
Operating
Torch
Gas
Valve:
Valve
controls
gas
preflow
and
post
flow.
Preflow
aids
arc
starting.
Pre
low
and
postflow
prevent
electrode
from
forming
a
black
surface
(oxidizing).
Open
valve
just
before
welding.
Turn
valve
clockwise
1/4
turn
to
open,
and
counterclockwise
1/4
turn
to
close.
________
After
welding,
leave
valve
open
about
10
seconds
for
every
100
amperes
of
weld
current.
Close
valve
when
postflow
is
finished.
3
Tools
Needed:
~
5/8,
7/8
in
sT-BOO
487
Torch
Without
Gas
Valve
8
Figure
3-3.
Connecting
Torch
OM-1563
Page
4