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SECTION
4
INSTALLATION
*Cup
~Tungsten
Electrode
Heat Shield
Torch
Body
(Neck Portion)
*POwer Cable
Adapter
Gas Valve
(If Applicable)
0-Ring
Handle
>
SA-120
671
Figure
4-1.
Torch
Components
4-1.
TORCH BODY
(Figure
4-1)
a
WARNING: ELECTRIC SHOCK
can
kill.
Do
not
touch live electrical
parts.
Shut
down
welding
power
source,
and dis
connect
input
power
employing lockout/tag
ging
procedures
before
installing
torch.
Lockoutltagging
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 discon
necting
device.
The torch
body
is
shipped requiring
consumables and
accessories indicated
in
Figure
4-1:
Cup,
collet
body,
collet,
power cable
adapter (with
flex cable
only),
and
tungsten
electrode.
A.
Assembly
Assemble torch
as
follows:
1.
Install
collet,
slotted end
last,
into collet
body.
2.
Install collet
body
and collet into torch
body
making
sure
heat shield is
in
place.
3.
Install
properly
prepared
tungsten
electrode
(see
Section
6-2)
into collet
body,
and
position
elec
trode
tip
outside cup
rim.
Tighten
collet
body.
4.
Install cup
onto
collet
body.
5.
To
readjust
electrode
position,
remove
cup and
loosen collet
body.
IMPORTANT:
As
a
general
rule,
electrode extension
should
equal
electrode
diameter;
but exact electrode
ex
tension may vary
according
to
application.
B.
Flexible Head
Adjustment
a
CAUTION: BENDING RIGID
HEAD
TORCH
can
damage
torch.
Do
not bend
rigid
head model
torches.
Warranty
is
void
if
rigid
head torch is bent in any
manner.
Improper bending
of flexible head
torch
can
damage
gas
hose. Make
sureto
bend
onlywithin
the
middle
portion
of
torch neck
(see Figure 4-1).
Restrict
bending angle
to
90
degrees.
*Collet
*ColIet
Body
-~
High
Flex
Cable
Fitting
*Required
Consumables and Accessories
**Obtain from
Welding Equipment Supplier
OM-1 558
Page
4
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