Harbor Freight Tools 91146 operating instructions Figure P

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5.To replace the Gun Liner: Disconnect the Gun’s Power Cable from the Welding machine. Remove the Nozzle, Contact Tip, Adapter, Gas Diffuser, and Wire Outlet Guide. Then, remove the old Liner. Lay the Gun’s Power Cable out straight before installing a new Liner. Blow out the Gun Casing with compressed

air. Install and tighten the new Liner. Cut Liner off 3/4” from the Head Tube (3/8” for aluminum). Then reinstall the Wire Outlet Guide, Gas Diffuser, Adapter,

Contact Tip, and Nozzle. (See Figure P.)

REMOVE NOZZLE (100A),

CONTACT TIP (90A),

ADAPTER, GAS DIFFUSER,

WIRE OUTLET GUIDE.

SWAN NECK (1A)

REMOVE OLD

LINER (130A).

BLOW OUT

GUN CASING.

LAY GUN POWER CABLE (40A)

 

OUT STRAIGHT BEFORE

 

INSTALLING NEW LINER.

FIGURE P

SKU 91146

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

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Contents MIG Welder 250 AMP Product Specifications General Safety RulesSave this Manual UnpackingElectrical Safety Personal SafetyTool USE and Care Service Grounding Grounded Equipment Equipment with Three Prong PlugsSymbology Extension CordsCords Longer than 25’ should not be Used with this Welder Specific Safety Rules Page Page SKU For technical questions, please call Product Overview Figure DBack Panel Controls Figure EAssembly Instructions To Attach a Power Cord PlugTo Attach The Rear Wheels And Front Castor Wheels To Attach The Gun Power Cable And Ground Clamp Cable To Install Welding Wire Spool And Adjust Wire TensionWire Spool To Install a Gas Cylinder See Figures FFigure J Welding Gun Duty Cycle And OverheatingFour Welding Features TimeInterval Minutes Welding Troubleshooting Guide Welding Machine Figure NTroubleshooting Guide Welding GUN & Wire Drive INSPECTION, MAINTENANCE, and Cleaning Welding MachineINSPECTION, MAINTENANCE, and Cleaning Welding GUN Figure OFigure P Please Read the Following Carefully Parts List Welding Machine Assembly Diagram Welding MachineParts List Welding GUN DescriptionAssembly Diagram Welding GUN 201A Ground Clamp Cable not Shown 202A GAS Hose not ShownElectrical Schematic Welding Machine