Lincoln Global SA-250 User Manual

SA-250
OPERATOR’S MANUAL
For Machines with Code Numbers 10890
IM747
January, 2003
Safety Depends on You
Lincoln arc welding 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
READING THIS MANUAL AND
THE SAFETY PRECAUTIONS
CONTAINED THROUGHOUT.
And, most importantly, think
before you act and be careful.
R
• 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 •
Date of Purchase:
Serial Number:
Code Number:
Model:
Where Purchased:
Copyright © 2003 Lincoln Global Inc.
NTRL/C
This manual covers equipment which is no
longer in production by The Lincoln Electric Co.
Specications and availability of optional
features may have changed.

Lincoln Global SA-250 Specifications

General

Type	Engine-Driven Welder
Duty Cycle	100%
Input Voltage	N/A (Engine Driven)
Input Phase	N/A (Engine Driven)
Input Frequency	N/A (Engine Driven)
Rated Output	250 Amps
Output Voltage Range	20-30V

Summary

Safety Depends on You

Electric and Magnetic Fields

Electric Shock Hazards

Arc Ray Hazards

Fumes and Gases Hazards

Welding Spark Hazards

Cylinder Explosion Hazards

Installation

Technical Specifications

Lists detailed technical data, dimensions, and capacities of the SA-250 welder.

Pre-Operation Installation

Machine Grounding

Explains the requirements and methods for grounding the welding machine.

Pre-Operation Service

Polarity Control and Cable Sizes

Operation

Operation Safety Precautions

Key safety warnings and guidelines to follow during equipment operation.

Control Panel Overview

Describes the location and function of controls on the welder's panel.

Engine Idler Operation

Engine Operation

Stopping the Engine

Welder Operation

Welding Current Control

Details how to adjust welding current using range selector and fine adjustment.

Idler Operation Details

Provides detailed explanation of the idler control switch and its operation modes.

Maintenance

General Maintenance Instructions

Cooling System Maintenance

Engine Service Schedule

Troubleshooting

Welder Troubleshooting

Engine Troubleshooting

Engine Starting and Stopping Issues

Covers engine starting problems, irregular operation, and shutdown conditions.

Engine Smoke and Charging Issues

Electronic Idler Troubleshooting

Electronic Idler Troubleshooting Guide