Lincoln Electric AC/DC 225/125 User Manual

Operator’s Manual
AC-225-S & AC/DC 225/125
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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)

Lincoln Electric AC/DC 225/125 Specifications

General

Output Amperage Range (AC)	40 - 225 A
Output Amperage Range (DC)	20 - 125 A
Duty Cycle (AC @ 225A)	20%
Weight	195 lbs (88.5 kg)
Dimensions	H: 12 in (305 mm) x W: 17.2 in (437 mm) x D: 14 in (356 mm)
Rated Output (AC)	225 A at 25 V
Input Current at Rated Output	50 A
Duty Cycle (DC @ 125A)	60%
Input Voltage	230V AC
Rated Output (DC)	125 A at 25 V

Summary

SECTION A: WARNINGS

California Proposition 65 Warnings

Warnings about engine exhaust chemicals in California and reproductive harm.

General Arc Welding Hazards

Precautions for hazardous arc welding, pacemaker wearers, and qualified personnel.

Engine Powered Equipment Safety

Safety guidelines for operating engine-powered equipment.

Electric and Magnetic Fields

Warnings about potential health effects of EMF from welding.

Electric Shock Hazards

Arc Ray Hazards

Fumes and Gases Hazards

Fire and Explosion Hazards

Compressed Gas Cylinder Safety

Electrically Powered Equipment Safety

INSTALLATION

Input Power and Grounding Connections

Instructions for connecting input power and ensuring proper grounding.

Attaching Electrode Cable to Holder

Step-by-step guide for connecting the electrode cable to the holder.

Attaching Work Cable to Clamp

Electrode and Work Cable Replacement

OPERATION

Welding Current Selection

How to select the appropriate welding current setting.

Welding Polarity Selection

Guidance on selecting the correct welding polarity.

Duty Cycle

Explanation of duty cycle and its implications for welder operation.

Circuit Breakers

Information on the internal circuit breaker and its function.

Electrode Selection Guide

Stick Welding Motions

Cutting Operations

Piercing Holes

MAINTENANCE

Routine Preventative Maintenance

Information regarding routine preventative maintenance requirements.