Lincoln Electric IDEALARC R3R-300 User Manual

IDEALARC
®
R3R-300,-400,-500
Operator’s Manual
Save for future reference
Date Purchased
Code: (ex: 10859)
Serial: (ex: U1060512345)
IM409-E | Issue D ate 9-Nov
© Lincoln Global, Inc. All Rights Reserved.
For use with machines having Code Numbers:
9534; 9537; 9540; 9690; 9691; 9692;
9697; 9698; 9699; 9704; 9705; 9706;
9864; 9865; 9866; 9867; 9874; 9875;
9876; 9881; 9884; 9885; 9886; 9887;
10471; 10857; 10858; 10881; 10882;
11043; 11044; 11045; 11046; 11342;
11344
Register your machine:
www.lincolnelectric.com/register
Authorized Service and Distributor Locator:
www.lincolnelectric.com/locator

Lincoln Electric IDEALARC R3R-300 Specifications

General

Input Phase	3
Duty Cycle	60%
Open Circuit Voltage	80V
Rated Output	300A
Processes	Stick (SMAW)

Summary

Safety Precautions (Part 1)

Safety Precautions (Part 2)

Electric Shock Hazards

Critical warnings and protective measures against electrical shock.

Arc Ray Hazards

Precautions for protection against arc rays and spatter.

Installation Procedures

Input Wiring Instructions

Instructions for connecting the primary power supply to the welder.

Output Connections

Troubleshooting Guide

How to Use Troubleshooting Guide

Explanation of the three-step process for diagnosing machine malfunctions.

Function Problems and Solutions

Table detailing common problems, possible causes, and recommended actions.

Circuit and Component Testing

Detailed steps for testing circuits, diodes, SCRs, and controls.