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Lincoln POWER MIG 140 User Manual

Lincoln POWER MIG 140
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Operator’s Manual
POWER MIG
®
(140, 180 MODELS)
Register your machine:
www.lincolnelectric.com/register
Authorized Service and Distributor Locator:
www.lincolnelectric.com/locator
IM890-A | Issue D ate Nov- 13
© Lincoln Global, Inc. All Rights Reserved.
For use with machines having Code Numbers:
11254, 11255, 11256, 11257 and
11444
LINCOLN
ELECTRIC
Save for future reference
Date Purchased
Code: (ex: 10859)
Serial: (ex: U1060512345)
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Lincoln POWER MIG 140 Specifications

General IconGeneral
Input Voltage120V
Input Current at Rated Output20 A
Duty Cycle20% at 90 A
Welding Amperage Range30 - 140 A
Wire Feed Speed50 - 500 IPM
ProcessMIG
Rated Output90 A at 19 V
Wire Size Range.030 - .035 in

Summary

Operator's Manual

POWER MIG® (140, 180 MODELS)

Manual for Lincoln Electric POWER MIG 140 and 180 models.

Machine Compatibility Codes

Lists code numbers for machine compatibility.

Machine Registration and Support

Information for registering the machine and locating support.

Future Reference Information

Section to record machine purchase date and serial number.

Safety Precautions and Warnings

General Safety Advice

Indicates critical information to avoid serious injury or death.

Fume, Gas, and PPE Safety

Safety advice on ventilation, fumes, gases, and personal protective equipment.

Specialized Safety Situations

Precautions for hazardous materials, containers, and cylinders.

Section A: Warnings

California Proposition 65 Warnings

Warnings about chemicals in diesel and gasoline engine exhaust.

Arc Welding Hazards and Precautions

General safety warning about arc welding hazards and precautions.

Engine Powered Equipment Safety

Specific safety precautions for engine-powered equipment.

Electric and Magnetic Field (EMF) Dangers

Warnings and precautions regarding EMF exposure during welding.

Critical Safety Information

Electric Shock Prevention Measures

Detailed safety instructions and precautions to prevent electric shock.

Arc Ray Protection and Fume Management

Safety advice on protecting from arc rays and managing welding fumes/gases.

Fire, Explosion, and Cylinder Safety

Fire and Explosion Prevention

Safety measures to prevent fires and explosions caused by welding sparks.

Compressed Gas Cylinder Precautions

Critical safety warnings regarding compressed gas cylinders.

Electrically Powered Equipment Safety

Electrical safety guidelines for powered equipment installation and use.

Electromagnetic Compatibility (EMC)

EMC Conformance and Introduction

EMC compliance statement and explanation of emissions.

Installation and Area Assessment for EMC

User responsibilities and area assessment for EMC issues.

Methods for Reducing EMC Emissions

Strategies to minimize electromagnetic emissions, including mains, cables, and shielding.

Installation - Technical Specifications

180 Amp Unit Specifications

Detailed technical specifications for the 180 Amp models.

140 Amp Unit Specifications

Detailed technical specifications for the 140 Amp models.

Input Cable, Fuse, and Dimension Data

Recommendations for input cables, fuses, and physical dimensions.

Installation - 180 Amp Unit Details

180 Amp Unit Specifications (K2668-1 180C)

Technical specifications for a specific 180 Amp model.

Physical Dimensions

Physical dimensions of the welding machine.

Installation Procedures

Installation Safety Precautions

Critical safety warnings and instructions for installation.

Location, Stacking, and Tilting Guidelines

Guidelines for choosing a location and positioning the welder.

Installation - Component Identification

Included Components Overview

Identification of included components with the welding machine.

Operation - Product Overview

Product Description and Capabilities

Overview of the machine's capabilities for MIG and flux-cored welding.

Common Welding Abbreviations

Definitions of common welding acronyms like GMAW and FCAW.

Operation - Controls and Settings

Machine Control Functions

Description of the machine's various controls and their functions.

Operation - Machine Connections

Gun Connector and Output Terminals

Details on the welding gun connection and output terminals.

Wire Spool and Drive System Components

Explanation of the wire spool spindle, brake, and drive components.

Operation - Wire Feed Setup

Drive Roll and Wire Guide Specifications

Table listing drive rolls and wire guides for different wire types and diameters.

Circuit Breaker and Gas Inlet Function

Information about the circuit breaker reset and gas inlet connection.

Operation - Flux-Cored Welding

Flux-Cored Welding Setup Items

List of items required for setting up flux-cored welding.

Operation - Connecting and Loading

Connecting Machine Leads and Cables

Instructions for connecting cables to the machine.

Loading the Wire Spool

Step-by-step guide for loading the wire spool onto the machine.

Operation - Wire Feed and Safety

Wire Feeding and Setup Adjustments

Process of feeding wire and making setup adjustments like tip installation.

Critical Safety: Moving Parts & Electrical Contact

Critical safety warning about moving parts and electrical contact.

Operation - MIG Welding Setup

MIG Welding Setup Items Needed

List of items required for setting up MIG welding.

Operation - Shielding Gas Setup

Shielding Gas Connection Procedure

Step-by-step guide for connecting shielding gas to the machine.

Critical Cylinder and Gas Safety

Critical safety warnings about cylinder handling and gas buildup.

Operation - MIG Connections and Loading

Connecting MIG Welding Leads

Instructions for connecting leads and cables for MIG welding.

Loading MIG Wire Spool

Step-by-step guide for loading the wire spool for MIG welding.

Operation - MIG Wire Feeding

MIG Wire Feeding and Setup Adjustments

Process of feeding wire and making setup adjustments for MIG welding.

Critical Safety: Moving Parts & Electrical Contact

Critical safety warning about moving parts and electrical contact.

Operation - Aluminum Welding

Aluminum Weld Setup with Spool Gun

Guide for setting up aluminum welding with a spool gun.

Critical Safety: Spool Gun Operation

Critical safety warning about moving parts and electrical contact during spool gun use.

Accessories

Spot Timer Kit (K2525-1)

Description of the Spot Timer Kit accessory.

Innershield Kit (K2528-1)

Details of the Innershield Kit for 230V models.

Magnum 100SG Spool Gun (K2532-1)

Description of the Magnum 100SG Spool Gun accessory.

Small Canvas Cover (K2377-1)

Description of the Small Canvas Cover accessory.

Accessories

K520 Utility Cart

Description of the K520 Utility Cart accessory.

Accessories

K2275-1 Welding Cart

Description of the K2275-1 Welding Cart accessory.

Maintenance Procedures

Maintenance Safety Precautions

Critical safety instructions before performing maintenance.

Routine Maintenance Tasks

General guidelines for routine maintenance tasks.

Power Source and Wire Feed Care

Maintenance for power source, wire feed compartment, fan motor, and reel spindle.

Maintenance - Gun and Cable

Magnum 100L Gun & Cable Maintenance

Maintenance procedures specific to the Magnum 100L Gun.

Overload Protection Systems

Explanation of overload protection mechanisms like circuit breakers and thermostats.

Maintenance - Gun Components

Changing the Gun Cable Liner

Step-by-step guide for changing the gun cable liner.

Gun Handle Component Details

Description of the gun handle components and disassembly.

Troubleshooting Guide Introduction

How to Use the Troubleshooting Section

Instructions on how to effectively use the troubleshooting guide.

Service and Repair Safety Warnings

Safety warning for service and repair personnel.

Troubleshooting - Output Issues

Diagnosing Output Problems

Troubleshooting steps for output-related issues.

Troubleshooting - Feed and Gas Issues

Diagnosing Wire Feeding Problems

Troubleshooting steps for wire feeding problems.

Diagnosing Gas Flow Problems

Troubleshooting steps for issues related to gas flow.

Troubleshooting - Arc Quality

Addressing Arc Stability and Starting Issues

Troubleshooting steps for unstable arc or poor starting.

Diagrams

Wiring Diagram for Codes 11254-11257

Wiring diagram for specific machine codes.

Diagrams

Wiring Diagram for Code 11444

Wiring diagram for machine code 11444.

Dimension Print

Customer Assistance Policy

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