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2-5.
Installing
Welding
Gun
(Gun
Not
Included)
2-6.
Setting
Gun
Polarity
For
Wire
Type
4
1
Drive
Assembly
2
Gun
Securing
Knob
3
Gun
End
Loosen
securing
knob.
Insert
gun
end
through
opening
until
it
bot
toms
against
drive
assembly.
Tighten
knob.
4
Gun
Trigger
Plug
3
Insert
plug
into
receptacle,
and
tighten
threaded
collar.
Close
door.
Ret.
ST-801
770
1
Polarity
Changeover
Label
(Located
Near
Drive
Assembly)
Always
read
and
follow
manufac
tures
recommended
polarity.
Shown
As
Shipped
-
Set
For
Electrode
Positive
(DCEP)
For
Solid
Steel
Or
Aluminum
Wires
(GMAW
Process).
Wire
Drive
Assembly
Lead
To
Positive
()
Output
Terminal
Work
Clamp
Lead
To
Negative
(-)
Output
Terminal
GUN
POLARITY
CHANGEOVER
CONNECTIONS
Reverse
Lead
Connections
-
For
Electrode
Negative
(DCEN)
For
Flux
Cored
Wires
(FCAW
Process).
Drive
Assembly
Becomes
Negative
S.144
449-0
~=:~
3/4,11/l6in
OM-189
424
Page
11