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OM-249 498 Page 38
9-3. Holding And Positioning Welding Gun
. Welding wire is energized when gun trigger is pressed. Before lowering helmet and pressing trigger, be sure wire is no more than 1/2 in. (13 mm)
past end of nozzle, and tip of wire is positioned correctly on seam.
1 Hold Gun and Control Gun
Trigger
2 Workpiece
3 Work Clamp
4 Electrode Extension (Stickout)
1/4 to 1/2 in. (6 To 13 mm)
5 Cradle Gun and Rest Hand on
Workpiece
2
3
5
4
90° 90°
0°-15°
45°
45°
1
0°-15°
S-0421-A
End View of Work Angle Side View of Gun Angle
GROOVE WELDS
End View of Work Angle Side View of Gun Angle
FILLET WELDS