9-4. 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) Solid Wire − 3/8 to 1/2 in.
(9 to 13 mm)
1Flux Cored Wire − 1/2 to 5/8 in.
2 3
5
4
(13 to 16 mm)
5 Cradle Gun and Rest Hand on Workpiece
|
| |
90° | 90° |
|
End View of Work Angle | Side View of Gun Angle | |
| GROOVE WELDS |
45°
45°
End View of Work Angle | Side View of Gun Angle |
FILLET WELDS