Chicago Electric MIG 170 owner manual Email our technical support at tech@harborfreight.com

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Owner’s Manual & Safety Instructions

Save This Manual Keep this manual for the safety warnings and precautions, assembly, operating, inspection, maintenance and cleaning procedures. Write the product’s serial number in the back of the manual near the assembly diagram (or month and year of purchase if product has no number). Keep this manual and the receipt in a safe and dry place for future reference.

Visit our website at: http://www.harborfreight.com

Email our technical support at: tech@harborfreight.com

When unpacking, make sure that the product is intact and undamaged. If any parts are missing or broken, please call 1-800-444-3353 as soon as possible.

Copyright© 2011 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. Diagrams within this manual may not be drawn proportionally. Due to continuing improvements, actual product may differ slightly from the product described herein. Tools required for assembly and service may not be included.

Read this material before using this product. Failure to do so can result in serious injury.

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Contents Save this Manual Email our technical support at tech@harborfreight.comGeneral Safety Table of ContentsArc Ray Safety Fume and Gas SafetySafety Setup Basic Welding Welding Tips MaintenanceFire Safety Electrical SafetySafety Setup Welding Welding Tips MaintenanceGas Shielded Welding Cylinder safety MaintenanceWelding Maintenance Welder use and careSetup Basic Welding Replacement CordsExtension Cords GroundingSymbology Basic Welding Welding Tips MaintenanceSpecifications Tips Maintenance Face Shield AssemblySetup Plug AttachmentWire Spool Installation Dcen Setup BasicDcep Feed Roller Instructions Tensioner Arm8mm = .030 & 0.6mm = Feed Roller Knob 030/.035 groove and stamp Groove and stampHold Wire welding Securely SafetyWelding Wire Setup Basic Welding Welding TipsTurn the Welder OFF Incrementally Increase tension Until wire bendsBasic Welding Safety Setup Basic Welding Welding Tips MaintenanceTo Prevent Serious Injury Control Panel Layout WireDial CordTorch Concrete slab Duty Cycle Duration of UseMIG Weld Settings Flux Weld SettingsMIN MAX MINDo not Switch the Current Setting Up The WeldWhile Welding Hold Torch Clear From AsphyxiationStringer bead Basic Welding TechniqueClose shielding gas tank valve completely MIG onlyUp to 2 minutes Welding at rated output Strike Test Cleaning the WeldWelding Tips Workpiece Heat Control / Weld Penetration Example Weld DiagramsWeld Diagnosis To CorrectPenetration Workpiece Heat Control Weld ProblemsBend at Joint Coat of Slag Over WeldExcessive Spatter PorosityCrooked/Wavy Bead Burn-ThroughMaintenance Nozzle and Contact Tip Inspection and CleaningFire and Burns Compressed air, blow out all dust from the interiorWire creates a bird’s nest during operation Wire feed motor runs but wire does not feed properlyTroubleshooting Welding arc not stablePower switch does not light when switched on TroubleshootingWire Feeds, but arc does not ignite Safety Setup Basic Welding Welding TipsParts List Wiring DiagramParts List and Diagrams Record Serial Number HereWelding Assembly Diagram3 4 5 6 7 8 9 10 11 12 13 Mission Oaks Blvd. PO Box 6009 Camarillo, CA 93011 800 Limited 90 Day Warranty

MIG 170 specifications

The Chicago Electric MIG 170 is a versatile and powerful welding machine designed for both amateur and professional welders. This compact welder is particularly suited for those who frequently work on metal fabrication projects, automotive repairs, and home improvement tasks. With its impressive performance capabilities and a range of user-friendly features, the Chicago Electric MIG 170 has become a popular choice among welding enthusiasts.

One of the standout features of the Chicago Electric MIG 170 is its robust welding output. It operates on standard 220-volt power, allowing it to deliver a consistent output that ranges from 30 to 170 amps. This wide range provides users with the capability to weld various materials, including mild steel, stainless steel, and aluminum. Additionally, it is capable of welding materials up to 5/16 inches thick, making it a reliable choice for heavy-duty applications.

The MIG 170 utilizes a gasless flux-cored wire welding process, which makes it suitable for outdoor use without the necessity of shielding gas. This feature eliminates the need for additional gas tanks, making the welding experience simpler and more cost-effective. Users can also switch to MIG welding with a gas setup if desired, allowing for greater versatility in their projects.

Moreover, this welder is equipped with an adjustable wire feed speed control, permitting users to customize their welding settings for different thicknesses of material. The easy-to-read control panel enhances usability, giving welders the ability to quickly adapt to changing conditions and requirements. A built-in thermal overload protection system further ensures that the machine operates safely, preventing damage due to overheating during extended use.

The portability of the Chicago Electric MIG 170 is another key advantage. Weighing in at approximately 60 pounds, it can easily be transported to job sites or moved around a workshop. Its compact design does not compromise on performance, making it a great addition to any workspace.

Overall, the Chicago Electric MIG 170 is an excellent welding machine that blends power, efficiency, and ease of use. Its combination of features makes it suitable for beginners and seasoned welders alike, solidifying its reputation as a go-to option in the welding community. Whether for hobbyist projects or more serious applications, the MIG 170 remains a reliable and effective choice for various welding needs.
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