Harbor Freight Tools 98870 manual

ARC WELDER - 120 Model 98870 SET UP AND OPERA TING INSTRUCTIONS Diagrams within this manual may not be drawn proportionally . Due to continuing improvements, actual product may differ slightly from the product described herein. Distributed exclusively by Harbor Freight T ools ® . 3491 Mission Oaks Blvd., Camarillo, CA 9301 1 Visit our website at: [...]

Page 2- SKU: 98870 SPECIFICA TIONS Input Power 1 15/230 V~ , 42 A Maximum Amperage Output 120 A Electrode Sizes (Note: Electrodes not included) 1/16” to 5/64” (1 15V) 1/16” to 3/32” (230V) Features This is a high-quality hobby arc welder , delivering up to 140 Amps welding current. It will hold electrodes sizes from 1/16” to 3/32” in di[...]

Page 3- SKU: 98870 Use eye and ear protection . Wear ANSI-approved impact safety goggles at all times. Wear a full face shield if you are producing metal lings or wood chips. W ear an ANSI approved dust mask or respirator when working around metal, wood, and chemical dusts and mists. Do not overreach . Keep proper footing and balance at all time[...]

Page 4- SKU: 98870 Safety W arnings and Precautions for Arc W elding W ARNING! Arc W elding Can be Hazardous. It is your responsibility to operate this equipment in a safe manner . Fire or Explosion Precautions Arc welding creates heat and sparks. These can cause re or explosion. Please follow these safety considerations while using your spot we[...]

Page 5- SKU: 98870 Personal Safety Precautions Flying Sparks can cause injury , and Hot Materials can cause burns. Please wear appropri - ate safety clothing, and observe precautions to prevent burns or injury to yourself or others. Wear ANSI approved safety goggles or glasses when using this equipment. Wear protective clothing such as heavy gloves[...]

Page 6- SKU: 98870 ARC WELDER ASSEMBL Y Installing the Handle Locate the HANDLE (27) and SCREW (28). Slide the HANDLE (27) onto the top of the CASE (26), indexing the tabs on the underside of the HANDLE onto the slots on top of the CASE, as indicated by lines (A) in Figure 1. Insert the SCREW (28) through the HANDLE (27), as shown in Figure 1, and [...]

Page 7- SKU: 98870 Installing the Electrode Handle Figure 3. Installing the Electrode Handle Locate the ELECTRODE CABLE (5), as shown in the parts diagram, and the Elec- trode Handle as shown in gure 3, Step 1 above. Slide the Handle Grip off the Electrode Handle, as shown in Step 2 above. Insert the ELECTRODE CABLE (5) through the Handle Grip, [...]

Page 8- SKU: 98870 Installing the Power Plug Note: This Arc Welder is equipped to operate with either 1 15 or 230 V olt power supply . Standard “household” current in the U.S. is 1 10-120 V olts. If you will be using a “household” outlet, follow directions for 1 15 V olt wiring. Electric service for applianc- es such as stoves in the U.S. a[...]

Page 9- SKU: 98870 Wiring Diagram 1 15/230 V~ 1 15 V~: B - M 230 V~: M - N B=White N=Red M=Black[...]

Page 10- SKU: 98870 Preparing a Safe W orkplace Environment to A void Hazardous Conditions The primary hazards to be managed when using Arc Welding equipment include Electric Shock, Fumes and Gasses, Sparks and Fire, Arc Light, and T ools and Equipment in the Work Area. Electrical Hazards Work only in a dry environment. This includes dry clothing, [...]

Page 1 1- SKU: 98870 General Workplace Cautions Prepare and maintain a safe, uncluttered workplace. Make sure the welding ground circuit is direct to the work. Be wary of hoist chains, cables, scaffolding, etc. Avoid contacting other electrical equipment in the area, such as hoists, grinders, etc. Always unplug the power line before servicing this [...]

Page 12- SKU: 98870 CONTROLS POWER SWITCH (1). Use this selec- tor to turn the welder Off, or On to the correct V oltage. WARNING: It is imperative that you select ONL Y the V oltage setting for which you have wired the Power Cable. POWER CABLE (2). Y ou will have wired this for either 1 15 or 230 V olts. AMPERAGE CONTROL KNOB (3). Use this control[...]

Page 13- SKU: 98870 important information, you are strongly urged to obtain appropriate training, and to practice on non-critical test pieces before attempting to weld important items. T o begin welding, rst observe all safety precautions, then attach the Ground Clamp to the workpiece in such a way as to provide good electrical conductivity betw[...]

Page 14- SKU: 98870 T roubleshooting Arc W elding Defects Porosity and Surface Holes Most porosity cannot be seen, but serious porosity weakens the weld. Before welding, remove all surface contaminants, such as Mill Scale, Rust, Paint, Dirt, Grease, or Moisture. Keep the weld puddle molten for a longer period, allowing time for gasses to escape. St[...]

Page 15- SKU: 98870 Parts List Part Code Q’ty Description 1 ZH-HC-3 1 SWITCH 1 15/230V 2 BA.B12.6 1 POWER CABLE 3 BA.B12.4 1 AMPERAGE CONTROL KNOB 4 BA.B12.7 1 GROUND CABLE 5 BA.B12.7 1 ELECTRODE CABLE 6 ND10 T90 1 GREEN PILOT LAMP 7 ND10 T90 1 YELLOW LAMP 8 GB818 3 SCREW M4 X 12 9 1 WELDING STEP SELECT OR 10 GB818 1 SCREW M 3 x 10 1 1 BA.B12.4-1[...]

Page 16- SKU: 98870 Assembly Diagram 29[...]

Page 17- SKU: 98870 LIMITED 1 YEAR / 90 DA Y W ARRANTY Harbor Freight T ools Co. makes every effort to assure that its products meet high quality and durability standards, and warrants to the original purchaser that for a period of ninety days from date of purchase that the torch, liner , wire feed mechanism (if applicable), welding clamps, electro[...]