Lincoln Electric 140 User Manual

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OPERATORʼS MANUAL
MANUAL DE OPERACIÓN
MANUEL DE LʼOPÉRATEUR
ISO 9001
CERTIFICATE NUMBER: 30273
Designed and Manufactured Under a
Quality Program Certified by
ABS Quality Evaluations, Inc.
to ISO 9001 Requirements.
QMS
ANSI RAB
Copyright © Lincoln Global Inc.
WIRE FEEDER
WELDER (140, 180 MODELS)
IMT10100-A
January, 2012
For use with machines having Code Numbers:
11821, 11822, 11805
TABLE OF CONTENTS
Installation . . . . . . . . . . . . . . . . . . . .Section A
Technical Specifications . . . . . . . . . . . . . . . . . . .A-1
Safety Precautions . . . . . . . . . . . . . . . . . . . . . . .A-2
Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-2
Stacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-2
Tilting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-2
Identify and Locate Components for 140 Amp
and 180 Amp Units . . . . . . . . . . . . . . . . . . . . .A-3
Operation . . . . . . . . . . . . . . . . . . . . .Section B
Safety and Product Description . . . . . . . . . . . . .B-1
Controls and Settings . . . . . . . . . . . . . . . . .B-2, B-3
Drive Roll and Wire Guides Table . . . . . . . . . . . .B-4
Setting Up and Making a Flux-Cored Weld . . .B-4 thru B-6
Setting Up and Making a MIG Weld and
Install Shielding Gas . . . . . . . . . . . .B-7 thru B-10
Setting Up and Making a Aluminum Weld . . . .B-11
Accessories . . . . . . . . . . . . . . . . . . . .Section C
Optional Accessories . . . . . . . . . . . . . . . . . . . . .C-1
Utility Carts . . . . . . . . . . . . . . . . . . . . . . . . .C-2, C-3
Maintenance . . . . . . . . . . . . . . . . . . .Section D
Safety Precautions . . . . . . . . . . . . . . . . . . . . . . .D-1
Wire Feed Compartment, Fan Motor, Wire Reel
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . .D-1
Gun And Cable Maintenance . . . . . . . . . . . . . . .D-1
Overload Protection . . . . . . . . . . . . . . . . . . . . . .D-2
Component Replacement Procedures . . . . . . . .D-2
Troubleshooting . . . . . . . . . . . . . . . . .Section E
Safety Precautions . . . . . . . . . . . . . . . . . . . . . . .E-1
How to Use Troubleshooting Guide . . . . . . . . . .E-1
Troubleshooting Guide . . . . . . . . . . . . .E-2 thru E-3
Wiring Diagram and Dimension Print . . Section F
Parts Pages . . . . . . . . . . . . . . .P-687, P-202-AJ
Safety Depends on You
Lincoln arc welding and cutting
equipment is designed and built
with safety in mind. However,
your overall safety can be
increased by proper installation
... and thoughtful operation on
your part. DO NOT INSTALL,
OPERATE OR REPAIR THIS
EQUIPMENT WITHOUT READ-
ING THIS MANUAL AND THE
SAFETY PRECAUTIONS CON-
TAINED THROUGHOUT. And,
most importantly, think before
you act and be careful.

Lincoln Electric 140 Specifications

General

Input Voltage	120V
Input Current	20A
Output Current Range	30-140A
Output Range	30-140A
Duty Cycle	20% at 90A
Processes	MIG, Flux-Cored
Wire Size Range	0.035 in

Summary

Safety

California Proposition 65 Warnings

Specific warnings related to California Proposition 65 concerning exhaust and welding fumes.

General Welding Safety

Comprehensive safety guidelines for arc welding, EMF, and engine operation.

Electrical and Arc Ray Hazards

Critical warnings and protective measures against electric shock and arc rays.

Fumes, Gases, and Sparks Safety

Safety advice for managing hazardous fumes, gases, and sparks.

Cylinder and Equipment Safety

Precautions for safe handling of cylinders and electrical equipment.

Installation

Safety Precautions

Safety warnings and precautions for installation procedures.

Select Suitable Location

Guidance on choosing an appropriate location for welder placement.

Stacking

Information regarding the possibility and safety of stacking the welder.

Tilting

Instructions on proper positioning and stability requirements for the welder.

Identify and Locate Components

Identification of key components included with the welder.

Operation

Product Description

Overview of the welder's capabilities for MIG, Flux-cored, and aluminum welding.

Common Welding Abbreviations

Glossary of common abbreviations used in welding operations.

Controls and Settings

Explanation of the welder's controls and how to adjust settings for welding.

Setting Up and Making a Flux-Cored Weld

Step-by-step guide for flux-cored welding setup and execution.

Connect Leads and Cables

Instructions for connecting power and ground cables to the welder.

Load Wire Spool

Procedure for loading wire spools onto the wire drive system.

Setting Up and Making a MIG Weld

Step-by-step guide for MIG welding setup and execution.

Install Shielding Gas

Procedures for connecting and managing shielding gas for MIG welding.

Setting Up and Making an Aluminum Weld Using Spool Gun

Guide for welding aluminum with a spool gun.

Accessories

K2525-1 Spot Timer Kit

Details on the Spot Timer Kit for timed welding operations.

K2528-1 045 Innershield Kit

Information on the Innershield Kit for welding with .045" Innershield wire.

K2532-1 Magnum 100SG Spool Gun

Details on the Magnum 100SG Spool Gun for aluminum welding.

K2377-1 Small Canvas Cover

Description of the protective canvas cover for the welder.

K520 Utility Cart

Information about the K520 heavy-duty cart for welders and gas cylinders.

K2275-1 Welding Cart

Details on the K2275-1 lightweight cart for transporting welding equipment.

Maintenance

Safety Precautions

Essential safety warnings before performing maintenance procedures.

Routine Maintenance

Procedures for regular cleaning and upkeep of the welder's compartments.

Gun and Cable Maintenance

Maintenance steps for the welding gun, cable, and liner.

Overload Protection

Explanation of overload protection features like circuit breakers and thermal protection.

Changing Liner

Step-by-step guide for replacing the gun liner.

Gun Handle Parts

Information on disassembling and reassembling welding gun handle components.

Troubleshooting

How to Use Troubleshooting Guide

Instructions on how to navigate and utilize the troubleshooting guide effectively.

Output Problems

Common issues related to welding output and their potential causes and solutions.

Feeding Problems

Troubleshooting steps for problems encountered with wire feeding.

Gas Flow Problems

Solutions for issues concerning shielding gas flow during operation.

Welding Problems

Common welding arc and quality issues and their recommended corrective actions.

Wiring Diagram and Dimension Print

Wiring Diagram

Electrical schematic detailing the welder's internal wiring and component connections.

Dimension Print

Technical drawings showing the physical dimensions and mounting points of the welder.