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SAFETY PRECAUTIONS
Read and understand this entire section before
operating the machine.
WARNING
ELECTRIC SHOCK can kill.
• Do not touch electrically live parts
or electrode with skin or wet
clothing.
• Insulate yourself from work and ground.
• Always wear dry insulating gloves.
• Read and follow "Electric Shock Warnings"
in the Safety section if welding must be per-
formed under electrically hazardous condi-
tions such as welding in wet areas or on or
in the workpiece.
FUMES AND GASES
can be dangerous.
• Keep your head out of fumes.
• Use ventilation or exhaust to remove fumes
from breathing zone.
WELDING SPARKS
can cause fire or
explosion
• Keep flammable material away.
• Do not weld on containers that have held
combustibles.
ARC RAYS
can burn.
• Wear eye, ear and body protection.
Observe additional Safety Guidelines
detailed in the beginning of this manual.
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PRODUCT DESCRIPTION
• Reliable, low-price aluminum welding accessory
for novice and experienced welders.
• Completely enclosed system.
• All combinations of specified aluminum alloys
and wire diameters can be fed with the same
drive roll and liner assembly.
• Gun cable compactly integrates welding current
and gas supplies with gun control functions.
OPERATION
After choosing the proper welding wire
for your application, load the aluminum
wire, connect the gun and cable to the
welding machine. (See Installation
Section).
WELDING PROCEDURES
1. Read and understand Arc Welding Safety
Precautions located throughout this manual
and the Welding Machine's Instruction Manual.
For welding techniques, refer to learn to weld
DVD, included with the machine or visit:
www.youtube.com/user/lincolnelectrictv
2. Obtain and use the proper personal protective
equipment for welding. Connect the WORK
(welding ground) cable(-) to piece(s) being
welded. Make sure gas hose from cylinder's
regulator is connected to welder's gas INLET.
Open cylinder's gas valve.
3. Connect input power to the machine.
4. Turn the machine's power switch to "on". Set
wire speed and voltage tap settings to tables
which are provided on the procedure decal
located on the door of the wire drive.
5. Flip toggle selector switch inside of machine to
the spool gun position. Press and hold trigger
for about 5 seconds to purge hose. Be sure
the Gas flow rate is set to 20 to 50 SCFH thru
the spool gun.
6. Cut off the aluminum wire so that it extends
about 1/4 inches from the contact tip.
B-1
7. CTWD (Contact Tip to Work Distance): Position
the gun so that the contact tip is nominally 3/8
inches from the joint and tilted with a push
angle toward it. The aluminum wire should not
contact the workpiece. (See figure B.1)
FIGURE B.1
8. Protect the eyes and pull the trigger to begin
welding.
9. Adjust the hand travel speed of the gun to
achieve a proper weld. The emerging wire
should stay within the molten puddle and not
overrun it. This speed also should not be so
slow that either the workpiece excessively
melts, or the weld bead becomes excessively
large.
10. Release the trigger to stop welding.
OPERATION
B-2
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