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| INSTALLATION | |||
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ALUMINUM WIRE PREPARATIONS | FIGURE AA.13 | |||
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| WARNING |
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ELECTRIC SHOCK can kill.
•Turn the input power OFF at the dis- connect switch before working on this equipment.
•Do not touch electrically hot parts.
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Welding with aluminum filler wires requires extra care. Aluminum wire is softer and not as stiff as steel wires, it is important to keep aluminum wire free of dirt and scratches. Limit gun length to 10 Ft.(3.0 m) for best results and use a spool cover if feeding from a spool.
To prevent scratching of the aluminum wire, remove the ball bearings from the ball housing as follows.
Tools required: (See Figure AA.12b)
•9/64" Hex key wrench
1.Turn off power at the welding power source.
2.Remove the
4.Place the ball bushing housing into the wire feeder case and secure with the “O” ring.
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FIGURE AA.12b
"O" RING
3.Remove the three socket head cap screws from the ball bushing assembly. Caution: as the screws are being loosened, the balls may fall free from the assembly. Remove the balls and the steel washer.
