Lincoln Electric HANDY MIG IM756-A Operator's Manual page 15

B-4
MAKING A WELD
FIGURE B.5 – WELDING SETUP
WORKPIECE
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.
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OPERATION
4. Check that the polarity is correct for the welding wire
5. Refer to Figure B.5. Connect the work clamp to the
GUN CABLE
6. Based on the welding process type and material
ARC
7. Based on the weld joint type and orientation of the
8. To begin welding, raise your hand shield to protect
9. While welding, travel at a constant speed and main-
10. To stop welding, release the gun trigger.
11. When no more welding is to be done, close the
TABLE B.1
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HANDY MIG
being used and that the gas supply, if required, is
turned on.
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.
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.
weld joint, position the gun into the joint at the cor-
rect angle. Refer to the LEARNING TO
WELD(LTW1) manual.
your eyes and pull the trigger.
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.
valve on the gas cylinder (if used), momentarily
operate the gun trigger to release gas pressure,
and turn off the machine.
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