Typical Mig Welding Connections And Settings - Miller Bobcat 260 Diesel Owner's Manual

6-4.

Typical MIG Welding Connections And Settings

3/4 in.
wrench
crescent wrench
nutdriver
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Complete Parts List is available at www.MillerWelds.com
Stop engine.
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This section provides general guide-
lines and may not suit all applications.
1 Work Clamp
2 Wire Feeder
3 MIG Gun
4 Gun Trigger Plug
5 Voltage Sensing Clamp
6 Gas Cylinder:
75/25 Argon/CO Gas for Short Circuit
2
Transfer; 80% Argon (Or Higher)/CO
Spray Transfer
7 Gas Hose
8 Quick Connector
9 Workpiece
Connect work cable to welder/generator
Work terminal. Connect cable from wire
feeder to cable from welder/generator Elec-
trode terminal.
Typical Control Settings For Short Circuit
Transfer Using .035 (ER70S-3) Solid Wire
And 75/25 Argon/CO Gas:
2
� Set Weld Process Selector switch to
Wire + (DCEP) position.
� Set Coarse Range switch to Wire/17–22
Range position.
� Set Fine control to obtain minimum
spatter.
� Set wire feed speed between 100-300
IPM.
Typical Control Settings For Spray Trans-
fer Using .035 (ER70S-3) Solid Wire And
80% Or Higher Argon/CO Gas:
2
� Set Weld Process Selector switch to
Wire + position.
� Set Coarse Range switch to Wire/20–28
Range position.
� Set wire feed speed between 320-500
IPM.
� Set Fine control to 3 and increase for
longer arc length.
Typical Control Settings Using .045
(E71T-11) Self-Shielded Flux Core Wire:
� Set Weld Process Selector switch to
Wire – position (DCEN).
� Set Coarse Range switch to Wire/17–22
Range position.
� Set Fine control near minimum setting.
� Set wire feed speed between 125– 200
IPM.
� Do a test weld. To increase arc length,
increase Fine control setting. To shorten
arc length, reduce fine control setting or
increase wire feed speed.
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