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Lincoln Electric AC-225-S User Manual

Lincoln Electric AC-225-S
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Operator’s Manual
AC-225-S & AC/DC 225/125
Register your machine:
www.lincolnelectric.com/register
Authorized Service and Distributor Locator:
www.lincolnelectric.com/locator
IMT237-P | Issue D ate Nov-13
© Lincoln Global, Inc. All Rights Reserved.
For use with machines having Code Numbers:
10420, 10421, 10422,
10423, 10424, 11074,
11602, 11603, 11604,
11674, 11675
Save for future reference
Date Purchased
Code: (ex: 10859)
Serial: (ex: U1060512345)
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Lincoln Electric AC-225-S Specifications

General IconGeneral
BrandLincoln Electric
ModelAC-225-S
CategoryWelding System
LanguageEnglish

Summary

General Safety Precautions

Fume and Ventilation Safety

Keep your head out of the fumes and use adequate ventilation or exhaust to keep fumes and gases away from the breathing zone.

Personal Protective Equipment (PPE)

Protect your eyes, face, body, and skin with appropriate welding helmet, clothing, and gloves.

Hazardous Material Handling

Do not weld or cut containers with hazardous substances or painted/plated parts without special precautions.

Specific Safety Warnings

Regulatory and Hazard Warnings

Includes California Proposition 65 warnings and general arc welding hazard awareness.

Engine Powered Equipment Safety

Follow specific safety guidelines for engine operation, refueling, and maintenance to prevent accidents.

Electric and Magnetic Field (EMF) Hazards

EMF fields can interfere with pacemakers and may have unknown health effects. Minimize exposure.

Electrical and Arc Safety

Electric Shock Prevention

The electrode and work circuits are electrically hot. Insulate yourself from work and ground using dry insulation.

Arc Ray Protection

Use proper filter shields for eyes and face, and flame-resistant clothing to protect skin from arc rays and spatter.

Fumes and Gases Safety

Avoid breathing welding fumes and gases. Ensure adequate ventilation or exhaust at the arc to keep breathing zones clear.

Fire, Explosion, and Cylinder Safety

Fire Prevention from Welding Sparks

Remove fire hazards from the welding area. Cover openings to prevent sparks from starting fires.

Compressed Gas Cylinder Handling

Handle compressed gas cylinders with care to prevent damage. Secure cylinders upright and away from heat sources or arcs.

Electrically Powered Equipment Safety

Ensure proper installation, grounding, and disconnect switch usage for electrically powered equipment.

Installation Procedures

Attaching Electrode Cable to Holder

Ensure the welder is off. Identify holder type and securely attach the electrode cable to the holder jaws.

Input Power and Grounding Connections

Verify power supply adequacy. Connect the welder to a suitable receptacle and ensure proper grounding per electrical codes.

Cable Management and Replacement

Attaching Work Cable to Clamp

Securely fasten the work cable to the work clamp using the provided bolt and nut.

Electrode and Work Cable Replacement

Use appropriate Lincoln parts for cable replacement. Substitution of larger sizes requires internal connections.

Operation and Welding Setup

Welding Current and Polarity Selection

Select the correct output amperes using the current selector switch. Use proper polarity (AC, DC(+), DC(-)) for best results.

Duty Cycle and Circuit Breakers

Understand duty cycle limitations to prevent overheating. Circuit breakers trip to protect the welder from overheating.

Learning Stick Welding

Refer to the 'Learning to Stick Weld' guide available on the Lincoln Electric website.

Electrode Selection and Usage

Electrode Guide and Specifications

Consult the electrode guide for recommended electrode types, diameters, and current settings for various welding applications.

Stick Welding Motion Techniques

Learn and apply various stick welding motions (A through G) for different joint types and welding positions.

Cutting and Piercing Operations

Steel and Cast Iron Cutting Procedure

Use specific electrodes and maximum amperage for cutting steel and cast iron by melting and pushing metal away.

Piercing Holes Technique

Hold a long arc perpendicular to the surface, push electrode through molten metal, and allow metal to drip through.

Maintenance Information

Preventative Maintenance and Repairs

Routine preventative maintenance is not required. Contact an Authorized Field Service Shop for necessary repairs.

AC-225-S Model Parts

Model Index Diagram

Visual representation of AC-225-S parts with numerical identification for reference.

AC/DC 225/125 Model Parts

Model Index Diagram

Visual representation of AC/DC 225/125 parts with numerical identification for reference.

Customer Assistance Policy

Policy Details and Disclaimer

Details Lincoln Electric's policy on providing advice and information, including a disclaimer of liability and warranty.

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