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130 AMP TIG / 90 AMP
ARC WELDER
91811
ASSEMBLY AND OPERATING INSTRUCTIONS
®
3491 MISSION OAKS BLVD., CAMARILLO, CA 93011
VISIT OUR WEB SITE AT HTTP://WWW.HARBORFREIGHT.COM
®
Copyright © 2004 by Harbor Freight Tools . All rights reserved. No portion of
this manual or any artwork contained herein may be reproduced in any shape or
form without the express written consent of Harbor Freight Tools.
For technical questions and replacement parts, please call 1-800-444-3353.
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SPECIFICATIONS Welding Current DC TIG: 130 Amps; Range: 5 to 130 Amps DC ARC: 90 Amps; Range: 5 to 90 Amps Load Voltage DC TIG: 15.2 Volts; DC ARC: 21.6 Volts N0 o-load Voltage 5 Power Consumption 220 VAC, 18 Amps, 60 Hz, single phase Duty Cycle 35% (3-1/2 minutes ON, followed by at least 6-1/2 minutes OFF) Material Thickness TIG: .024” to .118”; ARC: .024” to .197” Line Cord Length 6’ – 2” (without 220 VAC plug, not included) A” rc Torch Cable Length 9’ – 1 1 1 Tungsten Electrode Size Capacity
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Electrical Safety 4. 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. 5. Do not expose power tools to rain or wet conditions. Water entering a power tool will increase the risk of electric shock. 6. Grounded tools 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
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14. Do not overreach. Keep proper footing and balance at all times. Proper footing and balance enables better control of the power tool in unexpected situations. 15. Use safety equipment. Always wear eye protection. Dust mask, nonskid safety shoes, hard hat, or hearing protection must be used for appropriate conditions. Tool Use and Care 16. Use clamps (not included) or other practical ways to secure and support the workpiece to a stable platform. Holding the work by hand or against your bo
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SPECIFIC SAFETY RULES FOR THIS PRODUCT 1. Maintain labels and nameplates on the welder. These carry important information. If unreadable or missing, contact Harbor Freight Tools for a replacement. 2. Maintain a safe working environment. Keep the work area well lit. Make sure there is adequate surrounding workspace. Always keep the work area free of obstructions, grease, oil, trash, and other debris. Do not use a power tool in areas near flammable chemicals, dusts, and vapors. Do not use th
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• Remove or make safe all combustible materials for a radius of 35 feet (10 meters) around the work area. Use a fire resistant material to cover or block all open door- ways, windows, cracks, and other openings. • Enclose the work area with portable fire resistant screens. Protect combustible walls, ceilings, floors, etc., from sparks and heat with fire resistant covers. • If working on a metal wall, ceiling, etc., prevent ignition of combustibles on the other side by moving the combustibles t
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10. Always keep the Welding Hoses away from welding spot. Examine the Welding Hoses for cuts, burns, or worn areas before each use. If any damaged areas are found, replace the Welding Hoses immediately. 11. Read and understand all instructions and safety precautions as outlined in the manufacturer’s manual for the material you will weld. 12. Proper cylinder care. Secure cylinders to a cart, wall, or post, to prevent them from falling. All cylinders should be used and stored in an upright pos
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GROUNDING This welder requires a 3-prong, 220 VAC, polarized, twistlock plug (not supplied). This plug must be installed by a qualified electrician. WARNING! Improperly connecting the grounding wire can result in the risk of electric shock. Check with a qualified electrician if you are in doubt as to whether the outlet is properly grounded. Do not modify the power cord provided with the tool or product. Never remove the grounding prong from the plug. Do not use the tool if the power cord or p
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SYMBOLOGY Table B UNPACKING When unpacking, check to make sure that all the parts are included. Refer to the Assembly section, and the Assembly Drawing and Parts List at the end of this manual. If any parts are missing or broken, please call Harbor Freight Tools at the number on the cover of this manual as soon as possible. Arc Welding Electrode Holder (53) TIG/ARC DC Welder Grounding Clamp/Cable (54) Collets Nozzle Covers 220 VAC Line Cord TIG Torch Accessories TIG Torch Assembly (52) ASSEMBLY
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OPERATING INSTRUCTIONS Controls and Indicators Argon Gas Inlet (49) at Power Indicator (5) opposite end of unit. Power Switch (3) Welding Indicator (6) Current Adjustment Overheat Indicator (7) Potentiometer (4) Argon Gas Outlet (10) TIG Torch or Arc Electrode Holder - Quick Coupler (8) Workpiece Ground Cable Clamp - TIG Torch Cable Plug or Arc Quick Coupler (8) Electrode Holder Cable Plug Grounding Clamp/Cable (54) Gas Outlet Hose TIG Welding Before beginning, please read and understand the se
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10. When everything is in place for welding, press the Power Switch to the On position. Caution: Be careful not to touch anything else with the welding rod except the work- piece. 11. Orient yourself on the area to be welded, then hold the Arc Shaded Face Shield over your eyes, then strike the metal to begin welding. Warning: Never look at the ignited arc without ANSI approved, arc shaded, eye protec- tion in a full face shield. Permanent eye damage or blindness can occur. Skin burns can occur.
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8. When everything is in place for welding, press the Power Switch to the On position. Caution: Be careful not to touch anything else with the welding rod except the work- piece. 9. Orient yourself on the area to be welded, then hold the Arc Shaded Face Shield over your eyes. Then, strike the metal to begin welding. Warning: Never look at the ignited arc without ANSI approved, arc shaded, eye protection in a full face shield. Permanent eye damage or blindness can occur. Skin burns can occur. Nev
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7. Periodically clean out the TIG Torch Head by unscrewing its components and cleaning with a brush. PARTS LIST NOTE: Some parts are listed and shown for illustration purposes only and are not available individually as replacement parts. PLEASE READ THE FOLLOWING CAREFULLY THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS DIAGRAM IN THIS MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER NOR DISTRIBUTOR MAKES ANY REPRESENTATION OR WARRANTY OF ANY KIND TO THE BUYER THAT HE OR SHE
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ASSEMBLY DRAWING 55 56 57 58 SKU 91811 For technical questions, please call 1-800-444-3353. Page 14
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ELECTRICAL SCHEMATIC SKU 91811 For technical questions, please call 1-800-444-3353. Page 15
