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! In particular cases special protection measures may be required.
Interference can be reduced by following these suggestions:
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If there is interference in the power source line, an E.M.T. filter can be mounted between the power supply and the power source;
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The output cables of the power source should be not too uch long, kept together and connected to ground;
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After the maintenance all the panels of the power source must be securely fastened in place.
1.7
PROTECTIVE WELDING GASES
Shielding gas cylinders contain gas under high pressure. If damaged, a cylinder can explode. Treat them carefully.
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These welders use only inert or non-flammable gases for welding arc protection. It is important to choose the appropriate gas for the type of
welding being performed;
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Do not use gas from unidentified cylinders or damaged cylinders;
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Do not connnect the cylinder directly to the welder, use a pressure regulator;
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Make sure the pressure regulator and the gauges function properly;
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Do not lubrificate the regulator with oil or grease;
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Each regulator is designed for use with a specific gas. Make sure the regulator is designed for the protective gas being used.;
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Make sure that the cylinder is safely secured tightly to the welder with the chain provided.
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Never expose cylinders to excessive heat, sparks, slag or flame;
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Make sure that the gas hose is in good condition;
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Keep the gas hose away from the working area.
2.0 INSTALLATION RECOMMENDATIONS
2.1 LOCATION
be sure to locate the welder according to the following guidelines:
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In areas, free from moisture and dust;
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Ambient temperature between 0° to 40°C;
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In areas, free from oil, steam and corrosive gases;
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In areas, not subjected to abnormal vibration or shock;
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In areas, not exposed to direct sunlight or rain;
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Place at a distance of 300mm or more from walls or similar that could restrict natural air flow for cooling.
2.2 VENTILATION
Since the inhalation of welding fumes can be harmful, ensure that the welding area is effectively ventilated.
2.3 MAIN SUPPLY VOLTAGE REQUIREMENTS
The main supply voltage should be within ±10% of the rated main supply voltage. Too low a voltage may cause poor welding performance. Too high a
supply voltage will cause components to overheat and possibly fail. The welder Power Source must be:
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Correctly installed, if necessary, by a qualified electrician;
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Correctly grounded (electrically) in accordance with local regulations;
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Connected to the correct size electric circuit.
2.1 VOLTAGE CHANGE
These machines are normally supplied connected to at 400V three-phase. For safety double check the sticker placed at the end of the input cable.
Should it became necessary to use an input current at 230V three-phase follow these simple instructions:
1
Bring on the "OFF" position the ON/OFF switch, disconnect the mains switch and the input voltage plug
from the mains.
2
Open the right side panel (facing the welder).
3
Change the connection by following the instructions displayed on the here attached drawing.
4
Make sure that the nuts holding the bridges are securely tightened.
5
Re-assemble the side panel.
DO NOT WORK WITH THE SIDE PANLES PARTIALLY OPENED OR COMPLETELY REMOVED FROM
THE POWER SOURCE IN ORDER TO AVOID CONTACTS WITH WIRE OR PARTS.
IMPORTANT: If in doubt, consult a qualified electrician. Do not attempt any electrical repairs
yourself.
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