Lincoln Electric WELD-PAK 125HD User Manual

SERVICE MANUAL
WIRE FEEDER WELDER (125, 140 MODELS)
SVM227-A | Issue D ate 13-Jan
© Lincoln Global, Inc. All Rights Reserved.
For use with machines having Code Numbers:
11631, 11632, 11633, 11634,
11635, 11636, 11637, 11638 &
11639
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NOTE: This manual will cover most of the troubleshooting and repair
procedures for the code numbers listed. Some variances may exist when
troubleshooting/repairing later code numbers.

Lincoln Electric WELD-PAK 125HD Specifications

General

Input Voltage	120V
Input Power	20A
Output Amperage Range	30 - 125 A
Wire Feed Speed	50 - 500 IPM
Duty Cycle	20% at 90 A
Welding Process	MIG (GMAW)
Wire Size Range	0.023-0.035 in

Summary

Service Manual

Safety

General and specific safety warnings and precautions for operating the welding equipment.

Installation

Procedures and guidance for setting up the welding equipment.

Operation

How to use the wire feeder welder for various welding processes.

Accessories

Information on optional equipment and related parts.

Maintenance

Routine checks, cleaning, and part replacement for upkeep.

Theory of Operation

Explanation of how the welding machine components function.

Troubleshooting and Repair

Guidance for diagnosing and fixing machine malfunctions.

Electrical Diagrams

Schematics and wiring diagrams for the welding machine.