Harbor Freight Tools 91146 operating instructions Electrical Safety, Personal Safety

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3.Keep bystanders, children, and visitors away while operating welding equipment. Distractions can cause you to lose control. Protect others in the work area from arc rays, sparks, and slag. Provide barriers or shields as needed.

ELECTRICAL SAFETY

1.Grounded welding equipment must be plugged into an outlet properly installed and grounded in accordance with all codes and ordinances. Never remove the grounding prong or modify the plug in any way. Do not use any adapter plugs. Check with a qualified electrician if you are in doubt as to whether the outlet is properly grounded. If the welding equipment should electrically malfunction or break down, grounding provides a low resistance path to carry electricity away from the user.

2.Avoid body contact with grounded surfaces such as pipes, radiators, ranges, and refrigerators. There is an increased risk of electric shock if your body is grounded.

3.Do not expose welding equipment to rain or wet conditions. Water entering welding equipment will increase the risk of electric shock.

4.Do not abuse the Power Cord. Never use the Power Cord to carry welding equipment or pull the Plug from an outlet. Keep the Power Cord away from heat, oil, sharp edges, or moving parts. Replace damaged Power Cords immediately. Damaged Power Cords increase the risk of electric shock.

5.When operating welding equipment outside, use an outdoor extension cord marked “W-A” or “W”. These extension cords are rated for outdoor use, and reduce the risk of electric shock.

The minimum extension cord size for this tool is 6 GAUGE for cords UP TO 25’ LONG.

CORDS LONGER THAN 25’ SHOULD NOT BE USED WITH THE WELDER.

PERSONAL SAFETY

1.Stay alert. Watch what you are doing, and use common sense when operating welding equipment. Do not use welding equipment while tired or under the influence of drugs, alcohol, or medication. A moment of inattention while operating welding equipment may result in serious personal injury.

SKU 91146

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

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Contents MIG Welder 250 AMP Unpacking Product SpecificationsGeneral Safety Rules Save this ManualPersonal Safety Electrical SafetyTool USE and Care Service Grounded Equipment Equipment with Three Prong Plugs GroundingSymbology Extension CordsCords Longer than 25’ should not be Used with this Welder Specific Safety Rules Page Page SKU For technical questions, please call Figure D Product OverviewFigure E Back Panel ControlsAssembly Instructions To Attach a Power Cord PlugTo Attach The Rear Wheels And Front Castor Wheels To Install Welding Wire Spool And Adjust Wire Tension To Attach The Gun Power Cable And Ground Clamp CableWire Spool See Figures F To Install a Gas CylinderWelding Gun Duty Cycle And Overheating Figure JFour Welding Features TimeInterval Minutes Welding Figure N Troubleshooting Guide Welding MachineINSPECTION, MAINTENANCE, and Cleaning Welding Machine Troubleshooting Guide Welding GUN & Wire DriveFigure O INSPECTION, MAINTENANCE, and Cleaning Welding GUNFigure P Please Read the Following Carefully Assembly Diagram Welding Machine Parts List Welding MachineDescription Parts List Welding GUN201A Ground Clamp Cable not Shown 202A GAS Hose not Shown Assembly Diagram Welding GUNElectrical Schematic Welding Machine