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Lincoln Electric LN-23P User Manual

Lincoln Electric LN-23P
55 pages
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SVM176-A
July, 2007
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.
For use with machines having Code Numbers:
9085
10242
10314
10892
10917
10918
11359
11360
11361
11362
RETURN TO MAIN INDEX
LN-23P
Portable Innershield Semiautomatic Wire Feeder
SERVICE MANUAL
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Sales and Service through Subsidiaries and Distributors Worldwide
Cleveland, Ohio 44117-1199 U.S.A. TEL: 1-888-935-3877 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com
World's Leader in Welding and Cutting Products
Copyright© 2007 Lincoln Global Inc.
All manuals and user guides at all-guides.com
all-guides.com

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Lincoln Electric LN-23P Specifications

General IconGeneral
TypeWire Feeder
ProcessesFlux-Cored
Wire Feed Speed Range50 - 700 IPM (1.3 - 17.8 m/min)
Drive Roll Type2 Roll
Compatible Wire TypesFlux-Cored
Wire Diameter Range0.023 - 0.045 inches (0.6 - 1.2 mm)

Summary

LN-23P Wire Feeder Overview

Essential Safety First

Crucial safety advice for operating the wire feeder.

General Safety Guidelines

Proposition 65 Warnings

Regulatory notice regarding chemical exposure.

Engine Safety Precautions

Safety measures for engine-powered operation.

EMF Hazard Awareness

Information on electric and magnetic field risks.

Electrical and Arc Safety

Electric Shock Prevention

Measures to prevent electric shock hazards.

Arc Ray Protection

How to protect against arc rays and burns.

Fume and Gas Hazards

Risks from welding fumes/gases and ventilation advice.

Fire, Explosion, and Cylinder Safety

Welding Spark Fire Hazards

Precautions against fire and explosion from welding sparks.

Gas Cylinder Safety

Safe handling and storage of gas cylinders.

Electrical Equipment Safety

Safety measures for electrically powered equipment.

Installation Procedures

LN-23P Technical Specifications

Detailed technical specifications for the LN-23P wire feeder.

Installation Safety and Connections

Installation Safety Precautions

Essential safety steps during installation.

Input Cable Connection

Guide for connecting the input power cable.

Work Cable & Sensing Lead

Connecting the work cable and voltage sensing lead.

Installation Details

Wire Drive Roll Setup

Installing and adjusting wire drive rolls and guide tubes.

Optional Feature Installation

Instructions for installing optional accessories.

Accessories and Compatibility

Power Source Compatibility

Information on suitable power sources for the LN-23P.

Operation Guide

Operational Safety

Critical safety measures during operation.

Product Description and Features

Overview of the LN-23P's capabilities and design.

Performing Welds

Drive Roll Pressure Adjustment

How to set and adjust drive roll tension.

Adjusting Wire Speed and Voltage

Procedures for setting welding voltage and wire feed speed.

Welding Process Steps

Step-by-step guide to making a weld.

Optional Accessories

Gun and Cable Assemblies

Specifications for various gun and cable options.

K350 Adapter Kit

Details on the K350 adapter for power source connection.

K350-1 Adapter Kit

Details on the K350-1 adapter for power source connection.

K276 Wire Reel Support

Information on the K276 enclosed wire reel support.

Maintenance Procedures

Maintenance Safety

Safety guidelines before performing maintenance.

Drive Roll Maintenance

How to replace or reverse drive rolls.

Idle Roll Assembly Removal

Steps for removing the idle roll assembly.

Gun and Cable Care

Procedures for maintaining the gun and cable.

Wire Drive Assembly Care

Maintenance for the wire drive assembly.

Maintenance Checks

Circuit Protection Check

Understanding the circuit breaker's function.

Nameplate and Label Inspection

Inspecting nameplates and labels for legibility.

Theory of Operation

General Description

Overview of the LN-23P's design and capabilities.

Input Power Circuitry

How the LN-23P receives input power.

Control Circuitry Explained

Control Circuit Operation Overview

How the control circuits function.

Voltage and Speed Control Circuits

Details on voltage and wire feed speed control.

Trigger and Interlock Circuits

How the trigger and interlock features work.

Advanced Operation

Optional Circuit Configurations

Explanation of optional circuit setups.

K350/K350-1 Adapter Kit Function

How adapter kits interface with power sources.

Adapter Kit Diagrams

K350-1 Diagram

Diagram of the K350-1 adapter's internal connections.

Troubleshooting Guide

How to Use This Guide

Instructions for effectively navigating the troubleshooting section.

Troubleshooting Specific Issues

PC Board Troubleshooting

Procedures for diagnosing PC board related problems.

Common Feeding Problems

Wire Feeding Issues

Solutions for common wire feeding malfunctions.

Operation Output Problems

Output Voltage Issues

Troubleshooting problems with obtaining desired welding voltage.

K350 Adapter Troubleshooting

K350 Adapter Issues

Common problems and solutions for the K350 adapter.

Wire Feeder Testing

Wire Feeder Functionality Test

Procedure to determine if the wire feeder is functional.

Wire Feeder Testing Continued

Wire Feeder Test Procedure

Continuation of the wire feeder functionality test.

Gun Assembly Testing

Gun Test Procedure

Procedure to test the gun cable assembly.

Gun Assembly Testing Continued

Gun Test Steps

Continuation of the gun cable assembly test.

Feed Head Testing

Feed Head Functionality Test

Procedure to test the motor and gearbox.

Feed Head Testing Continued

Feed Head Test Steps

Continuation of the motor and gearbox test.

Control Potentiometer Testing

Potentiometer Test Procedure

Procedure to test speed and voltage controls.

Control Potentiometer Testing Continued

Potentiometer Test Details

Detailed steps for testing potentiometers.

Adapter Test Procedures

K350(-1) Adapter Test

Procedure to determine K350(-1) adapter functionality.

Adapter Test Procedures Continued

K350(-1) Adapter Test Steps

Continuation of the K350(-1) adapter test.

Adapter Test Procedures Continued

K350(-1) Adapter Test Chart

Troubleshooting chart for the K350(-1) adapter.

Calibration and Checks

Calibration Check Procedure

Procedure for checking and calibrating wire feed speed.

Electrical Diagrams

Entire Machine Wiring Diagram

Wiring diagram for the complete LN-23P machine.

Machine Schematics

Entire Machine Schematic

Schematic diagram for the complete LN-23P machine.

Adapter Kit Diagrams

K350 Adapter Wiring Diagram

Wiring diagram for the K350 Adapter Kit.

Adapter Kit Diagrams

K350-1 Adapter Wiring Diagram

Wiring diagram for the K350-1 Adapter Kit.

Adapter Schematics

K350/K350-1 Adapter Schematic

Schematic for the K350/K350-1 adapter.

PC Board Diagrams

PC Board Assembly (Codes Below 10892)

Diagram of the PC board for older model codes.

PC Board Diagrams

PC Board Assembly (Codes 10892+)

Diagram of the PC board for newer model codes.

PC Board Schematics

LN-23P Schematic (Codes 10892+)

Schematic for LN-23P for codes 10892 and higher.

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