Lincoln Electric IDEALARC SP-255 User Manual

IDEALARC SP-255
OPERATOR’S MANUAL
IM533
June, 1998
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
10164, 10165
• 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 Premier Manufacturer of Industrial Motors

Lincoln Electric IDEALARC SP-255 Specifications

General

Output Amperage Range	30 - 255 A
Duty Cycle	60% at 250 A
Processes	MIG, Flux-Cored, Stick
Rated Output	250 A at 30 V
Wire Feed Speed Range	50 - 700 in/min

Summary

Safety Introduction

Safety Depends on You

General Safety Precautions

Arc Welding Hazards

Electric Shock Hazards

Precautions to prevent electric shock, including proper insulation and avoiding contact with live parts.

Arc Ray Hazards

Protection measures against arc rays, including eye, skin, and helper protection.

Fumes and Gases Hazards

Guidance on avoiding health risks from welding fumes and gases, including ventilation.

Welding Spark Hazards

Safety measures to prevent fires and explosions caused by welding sparks.

Cylinder Safety

Installation Guide

Input Power and Grounding

Guidance on connecting the welder to electrical power and proper grounding.

Output Polarity and Gun Installation

Operation Guide

Operation Safety and Product Overview

Key safety warnings and a description of the SP-255's features and capabilities.

Controls and Key Functions

Start Modes and Auto Operation

Manual Mode and Memory Functions

Special Weld Modes

Wire Feeding and System Protection

Tips to avoid wire feeding problems and explanations of machine protection systems.

Error Message Reference

List and explanation of on-screen messages and error codes for troubleshooting.

Maintenance

Maintenance Safety and Routine Tasks

Safety precautions and general maintenance for keeping the welder in optimal condition.

Troubleshooting

Using the Troubleshooting Guide

Instructions on how to effectively use the troubleshooting guide to diagnose and resolve issues.

Output and Function Problems

Diagnosing and resolving issues related to welding output, function, feeding, and gas flow.