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2-1.
Duty
Cycle
Obtain
the
following
parts
(see
Section
6):
1
Tungsten
Electrode
(See
Section
5)
2
Cup
3
Collet
Body
4
Standard
Collet
5
Reverse
Collet
Reverse
collet
improves
electrical
contact
of
tungsten
electrode.
6
Power
Cable
Adapter
Assembling
Torch
Body
7
Flex-Lok
Head
8
Heat
Shield
9
Backcap
(Short
Backcap
Shown)
10
0-Ring
Installing
Tungsten
To
adjust
tungsten
position,
loosen
backcap.
5
Keep
connections
tight.
Replace
cup,
heat
shield,
backcap,
and
0-rings
f
cracked.
Installing
Tungsten
-~
ST-800
486
Figure
3-1.
Required
Torch
Parts
And
Torch
Assembly
a
CAUTIONS
WELDING
LONGER
THAN
RATED
DUTY
CYCLE
can
damage
torch
and
void
warranty.
Do
not
weld
at
rated
load
longer
than
shown
below.
wfwarn8.1~
8/93
0
Definition
Duty
Cycle
is
percentage
of
10
-
10
rated
load
without
overheating.
minutes
that
torch
can
weld
at
Minutes
100%
D
uty
Cycle
At
150
Amperes
Using
Argo
Continuous
Welding
n
Gas
sb1.5~
8/93
Figure
2-1.
Duty
Cycle
SECTION
3-
INSTALLATION
&
OPERATION
3-1.
Required
Torch
Parts
And
Torch
Assembly
Required
Torch
Parts
4
3
Assembling
Torch
Parts
7
3
-~
10
OR
~-
Loosen
Tighten
OM-1563
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