Harbor Freight Tools 97503 operating instructions Replacing the Welding Torch Liner

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enlarges. A Contact Tip that measures 150% or more the original size* should be replaced. (*.045” or more for .030” Tips; .035” or more for .023 Tips.)

5.If any problems are noted with a Contact Tip, have it replaced.

6.When inspection and maintenance is completed, reinstall the Contact Tip and Nozzle.

Replacing the Welding Torch

Liner

1.Switch welder off, disconnect power, and discharge electrode to ground before proceeding.

2.Secure welding wire to the spool, cut it near the spool, and remove it from the torch and cable.

3.Gently twist and slide the Locking Collar off the torch and onto the Protective Sleeve. Slide the Upper Housing forward and off the Lower Housing.

4.Remove the four Screws that hold the Cable Clamp in place. Set aside the Cable Clamp, Screws, and the Liner Sleeve underneath the cable clamp.

5.Lay torch cable out straight to allow the cable to twist within the sleeve.

6.Press in on the Push-lock Coupler and remove the Liner from the gun end.

7.Install a new Liner and Fitting from the gun end with the end without a

Fitting first.

8.Attach the Fitting at the end of the Liner to the Push-lock Coupler on the Switch Body.

9.Slide the Liner Sleeve back onto the end of the liner. Reinstall the Cable Clamp and Screws. Trim off the Liner that extends past the Clamp.

10.Make sure that all torch parts lay back into place properly including the Protective Sleeve, Head Tube, and Trigger. See Assembly Diagram. While all parts are properly in place, carefully put the Upper Housing back onto the Lower Housing and slide back to secure. Slide the Locking Collar back onto the Housings and twist to secure.

11.Check the Torch carefully for proper operation.

12.Route the Wire as instructed in the Loading and Adjusting the Wire Tension Section.

SKU 97503

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

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Contents Distributed exclusively by Harbor Freight Tools For technical questions or replacement parts, please callContents Save This Manual General Safety RulesWork area safety Power tool use and care Electrical safetyPersonal safety Service Specific Safety RulesFor technical questions, please call For technical questions, please call For technical questions, please call Initial Set Up Instructions SpecificationsList of contents AssemblySteps require Loading and adjusting the wire tensionFollowing SKU For technical questions, please call Work Piece and Work Area Set Up Tool Set UpOperating Instructions General Operating InstructionsRequired Flux core wire, protective gas is notSet Switch Amps Duty Volts For technical questions, please call Wire Size Wire Size 030MildFluxSteel Gas 023Cleaning, Maintenance, Lubrication Maintenance ServicingNozzle Care Contact Tip CareReplacing the Welding Torch Liner Welder does not function when switched on TroubleshootingWire feed motor runs but wire does not feed properly Wire Feeds, but Shielding gas does not Flow Wire Feeds, but arc does not igniteParts List Parts list and assembly diagramRecord Product’s Serial Number Here Limited 1 Year / 90 day warranty