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Chicago Electric 98357 - User Manual

Chicago Electric 98357
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DENT REPAIR STUD WELDER
98357
SET UP AND OPERATING INSTRUCTIONS
Distributed exclusively by Harbor Freight Tools
®
.
3491 Mission Oaks Blvd., Camarillo, CA 93011
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
©
2008 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.
For technical questions or replacement parts, please call 1-800-444-3353.

Questions and Answers

  • J
    jennifer55Jul 31, 2025
    Why does the circuit breaker keep tripping on my Chicago Electric 98357?
    • R
      Robert RichardJul 31, 2025
      If the circuit breaker of your Chicago Electric Welding System continues to trip, it could be due to a couple of reasons. First, the circuit rating might not be large enough; try connecting the welder to a dedicated 20A circuit. Alternatively, there may be an electrical fault in the welder itself, in that case you should have a qualified technician service the welder.
  • E
    Elizabeth HarrisAug 7, 2025
    What to do if the weld is weak and the stud doesn't hold on my Chicago Electric 98357 Welding System?
    • J
      jennifer69Aug 7, 2025
      If you're experiencing a weak weld where the stud doesn't hold with your Chicago Electric Welding System, consider the following: 1. The "On Time" might not be long enough, so try holding the trigger longer. 2. The electrode or stud could be dirty; clean or replace them. 3. The weld surface may not be cleaned down to bare metal; clean the surface to the metal.
  • C
    christygreenAug 15, 2025
    Why is the weld burning through the metal with my Chicago Electric 98357 Welding System?
    • T
      Tamara PrestonAug 15, 2025
      If the weld is burning through the metal when using your Chicago Electric Welding System, it could be due to: 1. Weld time being too long, so shorten the weld time. 2. Using an incorrect stud, replace the stud with the correct size and clean the electrode.
  • A
    Alison DicksonAug 22, 2025
    What to do if stud does not weld, weld area is cold for Chicago Electric Welding System?
    • B
      bthompsonAug 23, 2025
      If the stud does not weld and the weld area is cold when using your Chicago Electric Welding System, consider the following: 1. Ensure sufficient contact to the metal surface with the Electrode Assembly by cleaning the metal surface for the entire Electrode Assembly to contact fully, press harder, and ensure Electrode Assembly contacts the surface evenly. 2. Check the Power Source. 3. Press Circuit Breaker Reset.

Summary

Important Safety Information

General Power Tool Safety Warnings

Read all safety warnings and instructions to prevent electric shock, fire, and serious injury.

Specific Safety Warnings

Safety Precautions and Handling

Maintain labels, avoid unintentional starting, do not leave unattended, keep away from children, pacemaker precautions.

Inhalation Hazard

Toxic Fumes and Gases

Welding/plasma cutting produces toxic fumes and gases increasing cancer risk. Use ventilation and respirator.

Grounding

Grounded Tools with Three Prong Plugs

Tools with 3-prong plugs must connect to a properly grounded outlet for safety.

Double Insulated Tools with Two Prong Plugs

Double insulated tools do not require grounding and use a special double insulation system.

Extension Cords

Selecting and Using Extension Cords

Guidelines for selecting appropriate gauge, length, and type of extension cords for grounded and double insulated tools.

Specifications

Tool Set Up

Unpacking

Operating Instructions

Welding the Stud

Instructions on how to clean the surface, insert the stud, and position the electrode for welding.

Pulling Out the Dent

Slide Hammer Operation

How to attach and use the slide hammer to pull the dent by hammering the stud.

Cleaning, Maintenance, and Lubrication

Procedures for inspecting the tool, cleaning it, and maintaining the electrode assembly.

Troubleshooting

Parts List

Assembly Diagram

Limited 90 Day Warranty

Chicago Electric 98357 Specifications

General IconGeneral
Model98357
Input Voltage120V
Welding TypeFlux Core
TypeFlux Wire Welder
Welding Thickness18 gauge to 3/16 in.
Weight37.5 lbs
Electrode Size0.030 in.
Electrode Size Range0.030 to 0.035 in.
Welding Thickness Capacity18 gauge to 3/16 in.
Included Accessoriesbrush

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