B-4 OPERATIONB-4
MAKING A WELD
FIGURE B.5 – WELDING SETUP
GUN CABLE
WORKPIECE 
ARC
WORK CLAMP
READ the LEARNING TO WELD (LTW1) manual prior to making your first weld. Also, refer to Table B.1 and the Procedure Decal located on the inside of the wire drive compartment door of your machine for process selection, consumables, and quick tips for welding.
1.Select the right welding process based on the type and condition of the pieces to be welded; the envi- ronment in which welding is to be done; and the desired finished appearance of the weld.
2.Select and install the welding wire to match the process. Use Genuine Lincoln Electric Brand wire. Wire quality is essential for successful welding.
3.Install the drive roll, contact tip, and nozzle appro- priate for the weld process.
4.Check that the polarity is correct for the welding wire being used and that the gas supply, if required, is turned on.
5.Refer to Figure B.5. Connect the work clamp to the metal to be welded. The work clamp must make good electrical contact to the work piece. The work piece must also be grounded as stated in Arc Welding Safety Precautions in the beginning of this manual.
6.Based on the welding process type and material thickness of the work piece, use the chart below (or on the procedure decal located on the wire drive door) to set the correct wire feed speed and heat range setting.
7.Based on the weld joint type and orientation of the weld joint, position the gun into the joint at the cor- rect angle. Refer to the LEARNING TO WELD(LTW1) manual.
8.To begin welding, raise your hand shield to protect your eyes and pull the trigger.
9.While welding, travel at a constant speed and main- tain an electrode stickout of 3/8". Follow the correct direction of travel for the process and joint type and orientation as detailed in the LEARNING TO WELD (LTW1) manual.
10.To stop welding, release the gun trigger.
11.When no more welding is to be done, close the valve on the gas cylinder (if used), momentarily operate the gun trigger to release gas pressure, and turn off the machine.
TABLE B.1
1
2
3
4
1
5
6
7 | 8 | 8 | 8 |
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