Campbell Hausfeld DW3130 Manual De Instrucciones Y Lista De Piezas página 16

WELDING GUIDELINES (CONTINUED)
Push vs Pull Technique
The type and thickness of the work piece dictates which way to
point the torch nozzle. For thin materials (18 gauge and smaller)
and all aluminum, the nozzle should point out in front of the weld
puddle and push the puddle across the workpiece. For thicker
steel, the nozzle should point into the puddle to increase weld
PULL
penetration. This is called backhand or pull technique (See Figure
10).
PUSH
Figure 10
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