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OM-1314 Page 12
2-6. Installing Welding Gun And Setting Gun Polarity For Wire Type
1 Gun Opening
2 Gun Trigger Receptacle
3 Gun Securing Nut
4 Drive Assembly
5 Gun End
Loosen securing nut. Insert gun
end through opening until it bottoms
against drive assembly. Tighten
nut.
6 Gun Trigger Plug
Insert plug into receptacle, and
tighten threaded collar.
Close door.
1
2
3
4
56
ST-149 328-B / Ref. ST-159 270
5/16 in
Front Panel Openings
Straight Polarity
DCEN
Reverse Polarity
DCEP
Flux Cored Wires
(FCAW–Without Gas)
Solid Steel Or
Aluminum Wires
(GMAW–With Gas)
. Follow wire manufacturer’s recommendation.
Tools Needed: