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Chicago Electric 68888 - User Manual

Chicago Electric 68888
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Visit our website at: http://www.harborfreight.com
Email our technical support at: tech@harborfreight.com
Read this material before using this product.
Failure to do so can result in serious injury.
SAVE THIS MANUAL.
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.
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.
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.
Owners Manual & Safety Instructions
ITEM 68888
Includes:
6 ft. welding cable with multi-angle
Electrode Holder
6 ft. Ground Cable with clamp
Five 1/16" electrodes
Handheld face shield
Chipping hammer with wire brush
Shielded Metal Arc Welder
120 volt, 20 amp, single phase input
AC Outlet for a Smooth & Easy Welding Process
• Weldable materials: steel, stainless steel, cast iron
• Material thickness: Up to 1/8" thick
• Thermal overload protection with indicator light
• Welding current: 40-70 amp AC
• Duty cycle: 30% @ 55 amp (Rated), 20% @ 70 amp (Max.)
• Electrode diameter ranges: 1/16"-3/32"
70 AMP
ARC WELDER

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Questions and Answers

  • E
    Edward BarrJul 31, 2025
    Why is the welding arc not stable on my Chicago Electric 68888 Welding System?
    • B
      Brandy WarnerJul 31, 2025
      An unstable welding arc in your Chicago Electric Welding System can result from several factors: loose electrode handle cable or ground cable, a damaged electrode handle or loose connection within it, or an incorrect current setting. Check to ensure all connections are tight. Have a qualified technician inspect and repair or replace the electrode handle if necessary. Also, make sure the current setting matches the recommended setting.
  • L
    Laura ThompsonAug 7, 2025
    How to fix weak arc strength on a Chicago Electric 68888?
    • M
      Margaret ClarkAug 7, 2025
      A weak arc strength in your Chicago Electric Welding System could be due to incorrect line voltage or an improper gauge or length of extension cord. Check the line voltage and have a licensed electrician correct it if it's insufficient. Extension cords are not recommended; if you must use one, refer to the guidelines to ensure it meets the necessary specifications.
  • L
    lmooreAug 15, 2025
    What to do if Chicago Electric 68888 Welding System power switch lights but the welder does not function?
    • M
      Matthew StewartAug 15, 2025
      If the power switch lights up, but the welder does not function, it could be due to a tripped thermal protection device or a faulty connection. To address this: reduce the duration or frequency of welding to lessen wear on the welder. Also, have a qualified technician check the connection.
  • J
    Jennifer WhitakerAug 23, 2025
    What to do if the power switch does not light on my Chicago Electric 68888 Welding System?
    • M
      Maria ButlerAug 23, 2025
      If the power switch on your Chicago Electric Welding System doesn't light up when switched on, it could be due to the unit not being properly connected to the outlet, or the outlet itself may be unpowered. Verify the voltage at the outlet and the connection to the outlet. If there's no voltage, check the circuit breaker/GFCI devices and reset them after determining and fixing the cause. Also, verify that the circuit is designed to supply the required input.

Summary

Important Safety Information

General Safety

General safety precautions to protect yourself and others before and during operation.

Fume and Gas Safety

Arc Ray Safety

Electrical Safety

Fire Safety

Welder Use and Care

Maintenance

Gas Shielded Welding - Cylinder Safety

Grounding

Extension Cords

Symbology

Specifications

Setup

Components and Controls

Operating Instructions

Duty Cycle (Duration of Use)

Setting up the Weld

Welding

Welding Tips

Cleaning the Weld

Strike Test

Example Weld Diagrams

Diagnosis - Workpiece Heat Control; Weld Penetration

Weld Not Adhering Properly

Bend at Joint

Coat of Slag Over Weld

Porosity

Crooked;Wavy Bead

Excessive Spatter

Burn-Through

Maintenance and Service

Troubleshooting

Parts List and Diagrams

Wiring Schematic

Limited 90 Day Warranty

Chicago Electric 68888 Specifications

General IconGeneral
Input Voltage120V
Amperage90A
Duty Cycle20% at 90A
Electrode Size0.030 in. to 0.035 in.
Welding ThicknessUp to 1/8"
Wire Size0.030 in. - 0.035 in.

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