Harbor Freight Tools 97503 Installing a gas cylinder, SKU For technical questions, please call

Models: 97503

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on the Torch Handle until the Welding Wire feeds into the Torch Handle about 2 inches. If necessary, move the Torch Handle slightly in a circular motion to help feed the Welding Wire properly out of the Head Tube.

14.If the Welding Wire does not feed and the Spool is stationary, turn the Welder off and unplug it. Tighten the Tension Adjusting Knob on the Wire Feed Assembly, and rewind the Welding Wire slightly before retrying.

15.Feed the Welding Wire against scrap wood that is 2 to 3 inches away. If the Wire stops instead of bending, turn the Welder OFF and unplug it. Tighten the Tension Adjusting Knob more.

16.Turn the Welder OFF, unplug it, and discharge the electrode to ground. Insert the contact tip onto the Welding

Wire and screw it firmly in place.

Replace the Nozzle and cut off any excess Welding Wire over 1/2 inch.

17.Check that +/– cables to connection Knobs (34) are correct. See photo this page.

18.When using Non-flux wire and

Protective gas, connect Ground cable with clamp to the “-” terminal and the Internal Power cable to “+” terminal.

Strap down the Argon / Co2 gas cylinder and connect the hose to the rear of the MIG Welder.

19.When using Flux-core wire (DO NOT USE Protective gas), connect Ground cable with clamp to “+” terminal, and the internal Power cable to “-” terminal.

20. Close the Side Panel B (1).

Connections

Installing a gas cylinder

21.Do not use an Argon/Mixed pressure regulator/flow meter with CO2 shielding gas. To use CO2 shielding gas, you must install a CO2 gas pressure regulator/flow meter (neither one included).

22.Thread the provided straps through the slots on the back of the welder. With assistance, set the cylinder onto the shelf at the back of the welder.

23.Secure the cylinder in place with both of the straps.

24.Remove the protective cap from the cylinder. Stand to the side of the cylinder valve, and open the valve slightly to blow dust and dirt from the valve. Close the valve.

25.Make sure the Flow Adjust on the Pressure Regulator/Flow Meter is turned off. Screw the Pressure Regulator/Flow Meter (not included) firmly onto the cylinder valve.

26.Attach the Gas Line to the Pressure Regulator/Flow Meter from the Gas

SKU 97503

For technical questions, please call 1-800-444-3353.

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Harbor Freight Tools 97503 operating instructions Installing a gas cylinder, SKU For technical questions, please call