Lincoln Electric SQUARE WAVE TIG 255 SVM100-A User Manual

SQUARE WAVE TIG 255
SERVICE MANUAL
Sales and Service through Subsidiaries and Distributors Worldwide
22801 St. Clair Ave. Cleveland, Ohio 44117-1199 U.S.A. Tel. (216) 481-8100
World's Leader in Welding and Cutting Products Premier Manufacturer of Industrial Motors
SVM100-A
December 1995
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 machine Code Numbers
10022
For use with machine Code Numbers
10023
For use with machine Code Numbers
10024
For use with machine Code Numbers
10025
For use with machine Code Numbers
10026
For use with machine Code Numbers
10134
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Lincoln Electric SQUARE WAVE TIG 255 SVM100-A Specifications

General

Brand	Lincoln Electric
Model	SQUARE WAVE TIG 255 SVM100-A
Category	Welding System
Language	English

Summary

Safety Precautions

Electric Shock Hazards

Details risks and precautions related to electric shock during operation.

Arc Ray Hazards

Explains dangers from arc rays and necessary eye, ear, and body protection.

Fumes and Gases Hazards

Covers health risks from welding fumes and gases, and ventilation needs.

Welding Sparks and Fire Hazards

Addresses fire and explosion risks from welding sparks and hot materials.

Compressed Gas Cylinder Safety

Outlines precautions for handling compressed gas cylinders to prevent explosions.

Electrical Equipment Safety

Safety measures for electrically powered equipment installation and use.

Engine Powered Equipment Safety

Installation Guide

Technical Specifications and Ratings

Input, Ground, and Supply Connections

Covers proper procedures for connecting input power and grounding the machine.

Reconnect Procedure

Operation and Controls

Operating Instructions and Safety

Provides essential instructions, general warnings, and safety precautions.

Control Panel and Case Front Controls

Details the layout and function of the control panel keys and case front controls.

Amptrol and TIG Welding Procedures

Advanced TIG Features and Auxiliary Power

Covers AC Wave Balance, TIG Pulser, and auxiliary power output.

Maintenance Procedures

Maintenance Safety Precautions

Highlights critical safety warnings before performing maintenance.

Routine and Periodic Maintenance

Troubleshooting & Repair Guide

How to Use the Troubleshooting Guide

Provides a step-by-step guide on using the troubleshooting procedures.

PC Board Troubleshooting Procedures

Troubleshooting by Problem Category

Lists common output, function, TIG, and stick welding problems and solutions.

Connector Locations and Specific Tests

Waveform Analysis and Interpretation

Component Removal and Post-Repair Testing