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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
Page
2
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