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

 

 

0°-15°

90°

90°

 

End View of Work Angle

Side View of Gun Angle

 

GROOVE WELDS

45°

45°

0°-15°

End View of Work Angle

Side View of Gun Angle

FILLET WELDS

S-0421-A

OM-947 Page 32

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Image 36
Hobart Welding Products 125 manual Holding And Positioning Welding Gun, End View of Work Angle