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MINI ARC WELDER - 40 AMP
Model 91220
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, please call 1-800-444-3353.
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Table of Contents
Related Manuals for Chicago Electric 91220
Summary of Contents for Chicago Electric 91220
- Page 1 MINI ARC WELDER - 40 AMP Model 91220 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.
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Page 2: Product Specifications
Keep your work area clean and well lit. Cluttered benches and dark areas invite accidents. Do not operate welders in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust. Welders create sparks which may SKU 91220 PAGE 2 REV 09/04... -
Page 3: Electrical Safety
Stay alert. Watch what you are doing, and use common sense when oper- ating a welder. Do not use a welder while tired or under the influence of drugs, alcohol, or medication. A moment of inattention while operating weld- ers may result in serious personal injury. SKU 91220 PAGE 3... - Page 4 Many accidents are caused by poorly maintained tools. Use only accessories that are recommended by the manufacturer for your model. Accessories that may be suitable for one welder may become hazardous when used on another welder. SKU 91220 PAGE 4...
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Page 5: Double Insulated Tools: Tools With Two Prong Plugs
Double insulated tools may be used in either of the 120 volt outlets shown in the following illustration. (See Figure A.) Your tool must be plugged into an appropriate outlet, properly installed and grounded in accordance with all codes and ordinances. (See Figure A.) FIGURE A SKU 91220 PAGE 5... -
Page 6: Extension Cords
Always replace a damaged extension cord or have it repaired by a qualified electrician before using it. RECOMMENDED MINIMUM WIRE GAUGE FOR EXTENSION CORDS* (110 VOLT) FIGURE B SKU 91220 PAGE 6... -
Page 7: Specific Safety Rules
Never leave the Mini Arc Welder unattended when it is plugged into an electri- cal outlet. Make sure to unplug it from its electrical outlet before leaving the area. Do not allow children to handle or play with this product. SKU 91220 PAGE 7... - Page 8 Significant DC voltage exists after turning off and unplugging the Inverter Arc Welder. Discharge the electrode to ground before handling. Position a fire-resistant screen (not included) around the welding area to pro- SKU 91220 PAGE 8...
- Page 9 Locate the welding or cutting operation as far as possible from sensitive electronic equipment, or have the electronic equipment shut down tempo- rarily. Performance of this Mini Arc Welder may vary depending on variations in SKU 91220 PAGE 9...
- Page 10 Use eye and breathing protection. Always wear ANSI approved, arc shaded, impact safety face shield. Always use a full face shield when arc welding. Wear an ANSI approved dust mask or respirator when working around metal, chemical dusts, fumes and mists. SKU 91220 PAGE 10 REV 05/04...
- Page 11 Once the arc is stable, move the electrode along the workpiece and down as the welding process consumes the electrode. Re- place the electrode as needed to complete the job. (See Figure D.) SKU 91220 PAGE 11...
- Page 12 When the job is completed, turn the Power Switch (5) to its “OFF” position, and unplug the Power Cord (9) from its electrical outlet. Then, remove the Ground Clamp (8) from the workpiece or metal table. (See Figure D.) SKU 91220 PAGE 12...
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Page 13: Troubleshooting Guide
If abnormal noise or vibration occurs, have the problem corrected before further use. Do not use damaged equipment. SKU 91220 PAGE 13... -
Page 14: Please Read The Following Carefully
Round Cross Head Screw Self-Tapping Screw Body Grounding Connector Main Transformer Grounding Connector Screw Power Switch Grounding Connector Washer Lock Stud Grounding Connector Nut Electrode Holder Nut (M6) Ground Clamp Flat Washer Power Cord/Plug Round Head Cross Screw Foot SKU 91220 PAGE 14... -
Page 15: Assembly Diagram
ASSEMBLY DIAGRAM NOTE: Some parts are listed and shown for illustration purposes only, and are not available individually as replacement parts. SKU 91220 PAGE 15... -
Page 16: Schematic Diagram
SCHEMATIC DIAGRAM SKU 91220 PAGE 16...