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 |
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Welding Current |
DC TIG: 130 Amps; Range: 5 to 130 Amps |
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DC ARC: 90 Amps; Range: 5 to 90 Amps |
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Load Voltage |
DC TIG: 15.2 Volts; DC ARC: 21.6 Volts |
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No-load Voltage |
50 |
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Power Consumption |
220 VAC, 18 Amps, 60 Hz, single phase |
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Duty Cycle |
35% (3-1/2 minutes ON, followed by at least 6-1/2 minutes OFF) |
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Material Thickness |
TIG: .024” to .118”; ARC: .024” to .197” |
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Line Cord Length |
6’ – 2” (without 220 VAC plug, not included) |
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Arc Torch Cable Length |
9’ – 1” |
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Tungsten Electrode Size Capacity |
1/16” to 1/8” |
Included Electrodes |
5 pc., 1/16", Thoriated |
Connection Type |
DINS Connection, 9mm, lug with 0.160 key |
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Overall Dimensions |
16" (L) x 15-3/4" (H) x 12-1/4" (W) |
Weight |
17.75 lbs. |
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Accessories |
TIG Torch, ARC welding electrode holder, grounding clamp, gas hose, |
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shoulder strap, carrying handle, 2 extra collets, 5 extra nozzle covers |
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SAVE THIS MANUAL
You will need the manual for the safety warnings and precautions, assembly instructions, operating and maintenance procedures, parts list and diagram. Keep your invoice with this manual. Write the invoice number on the inside of the front cover. Keep the manual and invoice in a safe and dry place for future reference.
GENERAL SAFETY RULES
WARNING!
READ AND UNDERSTAND ALL INSTRUCTIONS.Failure to follow all instructions listed below may result in electric shock, fire, and/or serious injury.
SAVE THESE INSTRUCTIONS
Work Area
1.Keep your work area clean and well lit. Cluttered benches and dark areas invite accidents.
2.Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust. Power tools create sparks which may ignite the dust or fumes.
3.Keep bystanders, children, and visitors away while operating a power tool.
Distractions can cause you to lose control. Protect others in the work area from debris such as chips and sparks. Provide barriers or shields as needed.
REV 10/04; 11/04; 09/05
SKU 91811 |
For technical questions, please call 1-800-444-3353. |
Page 2 |
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 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 tools should electrically malfunction or break down, grounding provides a low resistance path to carry electricity away from the user.
7.Double insulated tools are equipped with a polarized plug (one blade is wider than the other). This plug will fit in a polarized outlet only one way. If the plug does not fit fully in the outlet, reverse the plug. If it still does not fit, contact a
qualified electrician to install a polarized outlet. Do not change the plug in any way. Double insulation 
eliminates the need for the three wire grounded power cord and grounded power supply system.
8.Do not abuse the Power Cord. Never use the Power Cord to carry the tools 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.
9.When operating a power tool 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.
Personal Safety
10.Stay alert. Watch what you are doing, and use common sense when operating a power tool. Do not use a power tool while tired or under the influence of drugs, alcohol, or medication. A moment of inattention while operating power tools may result in serious personal injury.
11.Dress properly. Do not wear loose clothing or jewelry. Contain long hair. Keep your hair, clothing, and gloves away from moving parts. Loose clothes, jewelry, or long hair can be caught in moving parts.
12.Avoid accidental starting. Be sure the Power Switch is off before plugging in.
Carrying power tools with your finger on the Power Switch, or plugging in power tools with the Power Switch on, invites accidents.
13.Remove adjusting keys or wrenches before turning the power tool on. A wrench or a key that is left attached to a rotating part of the power tool may result in personal injury.
SKU 91811 |
For technical questions, please call 1-800-444-3353. |
Page 3 |
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 body is unstable and may lead to loss of control.
17.Do not force the tool. Use the correct tool for your application. The correct tool will do the job better and safer at the rate for which it is designed.
18.Do not use the power tool if the Power Switch does not turn it on or off. Any tool that cannot be controlled with the Power Switch is dangerous and must be replaced.
19.Disconnect the Power Cord Plug from the power source before making any adjustments, changing accessories, or storing the tool. Such preventive safety measures reduce the risk of starting the tool accidentally.
20.Store idle tools out of reach of children and other untrained persons. Tools are dangerous in the hands of untrained users.
21.Maintain tools with care. Keep cutting tools sharp and clean. Properly maintained tools with a sharp cutting edge are less likely to bind and are easier to control. Do not use a damaged tool. Tag damaged tools “Do not use” until repaired.
22.Check for misalignment or binding of moving parts, breakage of parts, and any other condition that may affect the tool’s operation. If damaged, have the tool serviced before using. Many accidents are caused by poorly maintained tools.
23.Use only accessories that are recommended by the manufacturer for your model. Accessories that may be suitable for one tool may become hazardous when used on another tool.
Service
24.Tool service must be performed only by qualified repair personnel. Service or maintenance performed by unqualified personnel could result in a risk of injury.
25.When servicing a tool, use only identical replacement parts. Follow instructions in the “Inspection, Maintenance, And Cleaning” section of this manual. Use of unauthorized parts or failure to follow maintenance instructions may create a risk of electric shock or injury.
SKU 91811 |
For technical questions, please call 1-800-444-3353. |
Page 4 |
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 this product in a damp or wet location.
3.Avoid unintentional starting. Make sure you are prepared to begin work before turning on the Welder.
4.Unplug before performing maintenance. Always unplug the Welder from its electrical outlet before performing and inspection, maintenance, or cleaning procedures.
5.Never leave the Welder unattended while energized. Turn power off if you have to leave the Welder.
6.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.
7.Prevent eye injury and burns. Wearing and using ANSI approved personal safety clothing and safety devices reduce the risk for injury.
•Wear ANSI approved safety impact eye goggles with a welding helmet featuring at least a number 10 shade lens rating. Any additional safety equipment worn on the head (such as a respirator or hearing protector) must fit properly and safely underneath the welding helmet without decreasing the helmet’s effectiveness.
•Leather leggings, fire resistant shoes or boots should be worn when using this product. Do not wear pants with cuffs, shirts with open pockets, or any clothing that can catch and hold molten metal or sparks.
•Keep clothing free of grease, oil, solvents, or any flammable substances. Wear dry, insulating gloves and protective clothing.
•Wear an approved head covering to protect the head and neck. Use aprons, cape, sleeves, shoulder covers, and bibs designed and approved for welding and cutting procedures.
•When welding or cutting overhead or in confined spaces, wear flame resistant ear plugs or ear muffs to keep sparks out of ears.
8.Prevent accidental fires. Remove any combustible material from the work area.
•When possible, move the work to a location well away from combustible materials. If relocation is not possible, protect the combustibles with a cover made of fire resistant material.
SKU 91811 |
For technical questions, please call 1-800-444-3353. |
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