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Chicago Electric 93793 User Manual

Chicago Electric 93793
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DUAL MIG WELDER
Model
93793
SET UP AND OPERATING INSTRUCTIONS
Visit our website at: http://www.harborfreight.com
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.
Copyright
©
2006 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.
For technical questions or replacement parts, please call 1-800-444-3353.
Cover Revised 09l
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Chicago Electric 93793 Specifications

General IconGeneral
BrandChicago Electric
Model93793
CategoryWelding System
LanguageEnglish

Summary

Product Specifications

General Safety Rules

Important safety instructions and precautions for operating the welder.

Work Area Safety

Guidelines for maintaining a safe and organized workspace.

Electrical Safety

Personal Safety Precautions

Personal protective measures and awareness while operating tools.

Tool Use and Care

Proper methods for using and maintaining tools safely.

Service Guidelines

Specific Safety Rules

Inhalation Hazard Warnings

Fume and Gas Exposure

Recommendations for ventilation and respiratory protection.

Cylinder Safety Precautions

Pacemaker Warning

Advisory for individuals with pacemakers regarding electromagnetic fields.

Grounding and Unpacking

Extension Cord Restrictions

Prohibition of extension cord use and associated risks.

Symbology Explanation

Explanation of various safety and electrical symbols used in the manual.

Unpacking Instructions

Instructions for unpacking the welder and checking parts.

Assembly Instructions

Attaching the Handle

Step-by-step guide to attach the welder's handle.

Installing Rear Wheels and Casters

Instructions for fitting the rear wheels and casters to the welder.

Installing Wire Spool

Routing the Welding Wire

Wire Feeding Procedure

Changing Wire Settings

Gun Polarity and Ground Cable

Setting Gun Polarity

How to set the gun polarity based on the type of welding wire used.

Attaching Ground Cable Clamp

Steps for correctly attaching the ground cable and clamp.

Installing Gas Cylinder

Operating Instructions

Before You Begin Welding

Preliminary steps and advice before starting to weld.

Duty Cycle Explanation

Explanation of duty cycle and its importance for welder longevity.

Setting Up the Weld

Holding the Welding Torch

Weld Settings Chart

Completing the Weld

Weld Diagnosis

Weld Penetration Issues

Assessing weld penetration for proper quality and identifying issues.

Weld Adhesion Problems

Troubleshooting tips for welds that do not adhere correctly to the base metal.

Weld Defect Identification

Porosity Diagnosis

Identifying and resolving porosity (holes) in weld beads.

Crooked/Wavy Bead Solutions

Causes and solutions for wavy or crooked weld beads.

Excessive Spatter Diagnosis

Diagnosing and reducing excessive spatter during welding.

Strike Test Procedure

Procedure for performing a strike test to evaluate weld quality.

Inspection, Maintenance, and Cleaning

Nozzle Inspection and Replacement

Procedures for inspecting, cleaning, and replacing the welding nozzle.

Contact Tip Inspection and Replacement

Steps for inspecting, cleaning, and replacing the welding contact tip.

Replacing Torch Liner

Parts Lists and Diagrams

Wiring Schematic

Electrical wiring diagram of the welding unit.

Parts List Details

Assembly Diagram Overview

Troubleshooting Guide

Wire Feed Motor Issues

Solutions for issues where the wire feed motor operates but wire does not feed.

Wire Bird's Nest Formation

Troubleshooting tips for when welding wire forms a bird's nest.

Unstable Welding Arc

Common causes and solutions for an unstable welding arc.

Welder Functionality Issues

Welder Not Functioning

Diagnosing and resolving issues when the welder fails to power on.

Weak Arc Strength

Identifying causes for reduced arc strength and potential solutions.

Arc Ignition Problems

Troubleshooting steps when wire feeds but the welding arc does not ignite.

Gas Flow and Warranty

Shielding Gas Flow Issues

Solutions for problems where wire feeds but shielding gas does not flow.

Limited Warranty Information

Details of the product's limited warranty terms and conditions.

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