Lincoln Electric K2481-1 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 (125, 140, 180 MODELS)
IMT891-D
June, 2011
For use with machines having Code Numbers:
11173 thru 11506, 11550, 11658
TABLE OF CONTENTS
Installation . . . . . . . . . . . . . . . . . . . .Section A
Technical Specifications . . . . . . . . . . . . . . .A-1, A-2
Safety Precautions . . . . . . . . . . . . . . . . . . . . . . .A-2
Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-2
Stacking . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-2
Tilting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A-2
Identify and Locate Components for 180 Amp
and 140 Amp Units . . . . . . . . . . . . . . . . . . . . .A-3
Identify and Locate Components for 125 Amp
Flux Core Unit . . . . . . . . . . . . . . . . . . . . . . . . .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-2
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-532, P-202-E
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 K2481-1 Specifications

General

Brand	Lincoln Electric
Model	K2481-1
Category	Welding System
Language	English

Summary

Safety Precautions

Proposition 65 and Arc Welding Hazards

Warnings regarding emissions and general arc welding safety.

Electric and Magnetic Field Safety

Discusses EMF effects, pacemaker interference, and exposure mitigation.

Electric Shock Hazards and Precautions

Details the risks of electric shock and necessary protective measures.

Arc Ray Protection and Fume Hazards

Covers eye/skin protection from arc rays and health risks from fumes/gases.

Fire, Explosion, and Cylinder Safety

Addresses risks from sparks, flammable materials, and gas cylinders.

Electrical Equipment Safety

Details safety requirements for electrically powered equipment.

Installation Guide

Technical Specifications for 180A and 140A Units

Details electrical and physical specs for 180A and 140A models.

Technical Specifications for 125A Units

Details electrical and physical specs for 125A models.

Installation Safety Precautions

Covers essential safety rules to follow during installation.

Location, Stacking, and Tilting Guidelines

Covers site selection and placement guidelines for the welder.

Component Identification for 140/180A Units

Identifies included components for 140A and 180A models.

Component Identification for 125A Unit

Identifies included components for the 125A flux core unit.

Operation Procedures

Product Capabilities and Abbreviations

Describes welder capabilities and defines common welding terms.

Controls and Settings Overview

Explains the machine's main controls and their functions.

Flux-Cored Weld Setup

Lists items and steps for setting up flux-cored welding.

Connecting Leads and Loading Wire Spool

Details how to connect cables and load the wire spool.

MIG Weld Setup

Lists items and steps for setting up MIG welding.

Shielding Gas Installation

Guides on connecting shielding gas cylinders for MIG welding.

Aluminum Weld Setup with Spool Gun

Explains setup for aluminum welding using a spool gun.

Accessories

Optional Accessory Kits

Lists optional kits like Spot Timer, Innershield, and Spool Gun.

Utility and Welding Carts

Describes utility carts for storing and transporting the welder.

Maintenance Procedures

Safety and Routine Maintenance

Covers safety, compartment cleaning, motors, and wire reel spindle.

Gun and Cable Maintenance

Details cleaning and maintenance for the welding gun.

Contact Tips, Nozzles, and Liner Maintenance

Explains maintenance and replacement for gun consumables.

Troubleshooting Guide

How to Use the Troubleshooting Guide

Explains the methodology for identifying and resolving machine malfunctions.

Common Machine Problems and Solutions

Lists common issues like output, feeding, gas flow, and welding problems with solutions.

Diagrams and Prints

Wiring Diagram

Provides the electrical schematic for the wire feeder welder.

Machine Dimension Print

Displays the physical dimensions of the wire feeder welder unit.