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Lincoln Electric LN-8 SVM132-A User Manual

Lincoln Electric LN-8 SVM132-A
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LN-8 SEMIAUTOMATIC WIRE FEEDER
SERVICE MANUAL
SVM132-A
May, 2002
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 thought-
ful operation on your part. DO
NOT INSTALL, OPERATE OR
REPAIR THIS EQUIPMENT
WITHOUT READING THIS
MANUAL AND THE SAFETY
PRECAUTIONS CONTAINED
THROUGHOUT. And, most
importantly, think before you act
and be careful.
For use with code numbers: 9963, 9964
Return to Master TOC Return to Master TOC Return to Master TOC Return to Master TOC
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• Sales and Service through Subsidiaries and Distributors Worldwide •
Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com
• World's Leader in Welding and Cutting Products •
Copyright © 2002 Lincoln Global Inc.
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Table of Contents

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Lincoln Electric LN-8 SVM132-A Specifications

General IconGeneral
TypeWire feeder
Input Phase1
Input Frequency60 Hz
Duty Cycle60%
Wire Diameter0.030-0.045 in
Wire Feed Speed Range50-700 IPM (1.27-17.78 m/min)

Summary

Installation

Power Source Connections

Instructions for connecting the LN-8 to various power sources.

Power Source Connection Diagrams

Visual guides illustrating power source connection configurations.

Input Cable Connections

Procedures for connecting input cables to the wire feeder.

Gun and Cable Assemblies

Information on gun and cable setup and handling procedures.

Operation

Safety Instructions

Essential safety guidelines to be followed before operating the machine.

Controls and Their Functions

Explanation of the wire feeder's controls and their operational purposes.

Maintenance

Routine Maintenance

Regular maintenance tasks to keep the wire feeder in optimal condition.

Periodic Maintenance

Scheduled maintenance tasks to be performed periodically.

Troubleshooting and Repair

Safety

Crucial safety precautions and warnings for operating the equipment.

Engine Powered Equipment Safety

Safety precautions for operating engine-powered equipment.

Electric and Magnetic Field Safety

Precautions regarding potential hazards from electric and magnetic fields.

Electric Shock Hazards

Detailed information on preventing electric shock during operation.

Welding Sparks and Fire Hazards

Precautions to prevent fires and explosions caused by welding sparks.

Cylinder Safety

Safety guidelines for handling compressed gas cylinders.

Electrically Powered Equipment Safety

Safety measures for electrically powered equipment.

How to Use Troubleshooting Guide

Instructions on how to effectively use the troubleshooting guide.

PC Board Troubleshooting Procedures

Steps for diagnosing and replacing PC boards safely.

Troubleshooting Guide

A structured guide to identifying and resolving common machine problems.

Function Problems

Common issues related to the wire feeder's operational functions.

Feeding Problems

Troubleshooting steps for wire feeding issues.

Welding Problems

Solutions for problems affecting the welding arc quality.

Test Procedures

Specific tests to diagnose component failures.

Trigger Transformer Test

Procedure to test the functionality of the trigger transformer.

Internal Voltage Test

Test to verify correct internal voltages within the LN-8.

1CR Relay Test

Method for testing the 1CR relay's operation.

Drive Motor Test

Procedure to test the wire drive motor's functionality.

Component Replacement Procedures

Step-by-step guides for replacing various components.

PC Board Replacement

Procedures for replacing internal PC boards.

Wire Drive Assembly and Component Replacement

Steps for replacing the wire drive assembly and its components.

Electrical Diagrams

Wiring Diagram

Overall wiring diagram for the LN-8 unit.

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