Hobart OM-303 manual Table of Contents

Page 3

WARNING

This product, when used for welding or cutting, produces fumes or gases which contain chemicals known to the State of California to cause birth defects and, in some cases, cancer. (California Health & Safety Code Section 25249.5 et seq.)

The following terms are used interchangeably throughout this manual:

TIG = GTAW

Stick = SMAW

TABLE OF CONTENTS

SECTION 1 – SAFETY PRECAUTIONS

1

1-1.

Symbol Usage

1

1-2.

Arc Welding Hazards

1

1-3. Additional Symbols for Installation, Operation, and Maintenance

3

1-4.

Principal Safety Standards

3

1-5.

EMF Information

4

SECTION 1 – CONSIGNES DE SECURITE

5

1-1.

Signification des symboles

5

1-2.

Dangers relatifs au soudage à l’arc

5

1-3. Dangers supplémentaires en relation avec l’installation, le fonctionnement

 

 

et la maintenance

7

1-4.

Principales normes de sécurité

8

1-5.

Information sur les champs électromagnétiques

8

SECTION 2 – DEFINITIONS

9

2-1.

General Precautionary Label

9

SECTION 3 – INTRODUCTION

10

3-1. Included with Your Unit

10

3-2.

Specifications

11

3-3.

Duty Cycle Chart

11

3-4.

Volt-Ampere Curves

11

SECTION 4 – INSTALLATION

12

4-1.

Selecting a Location

12

4-2.

Typical Stick Connections

12

4-3.

Typical TIG Connections

13

4-4.

Electrical Service Guide

14

4-5.

Connecting Input Power

14

SECTION 5 – OPERATION

15

5-1.

Controls

15

5-2. Example of Front Panel Amperage Control

16

5-3. Example of Remote Amperage Control

16

5-4. Process and Material Thickness Guide Label

17

SECTION 6 – MAINTENANCE AND TROUBLESHOOTING

18

6-1.

Routine Maintenance

18

6-2.

Troubleshooting

18

SECTION 7 – ELECTRICAL DIAGRAMS

19

SECTION 8 – HIGH FREQUENCY

20

8-1. Welding Processes Requiring High Frequency

20

8-2.

Incorrect Installation

20

8-3.

Correct Installation

21

SECTION 9 – PARTS LIST

22

WARRANTY

 

Page 2 Page 4
Image 3
Page 2 Page 4
Contents OM-303155795N DescriptionProcesses From Hobart to You Table of Contents Page Electric Shock can kill Symbol UsageMarks a special safety message Arc Welding HazardsBuildup of GAS can injure or kill ARC Rays can burn eyes and skinWelding can cause fire or explosion Flying Metal can injure eyesPrincipal Safety Standards About Pacemakers EMF InformationLES Fumé ES ET LES GAZ peuvent ê tre dangereux Signification des symbolesConsignes DE Securite Lire Avant Utilisation UN Choc É Lectrique peut tuerLE Soudage peut provoquer un incendie ou une explosion DES Particules Volantes peuvent blesser les yeuxLE Bruit peut affecter l’ouïe DES Organes Mobiles peuvent provoquer des blessures Risque D’INCENDIE OULA Chute DE L’APPAREIL peut blesser ’EMPLOI Excessif peutPrincipales normes de sé curité Information sur les champs é lectromagné tiquesConsignes relatives aux stimulateurs cardiaques Definitions General Precautionary LabelSymbols And Definitions IntroductionIncluded with Your Unit Hertz Models SpecificationsDuty Cycle Chart Volt-Ampere CurvesTypical Stick Connections InstallationTurn Off power before mak- ing connections Selecting a LocationTypical TIG Connections Connecting Input Power Electrical Service GuideControls OperationAC Low AC High Example of Front Panel Amperage ControlExample of Remote Amperage Control Gtaw Welding Amperage RangeProcess and Material Thickness Guide Label Maintenance and Troubleshooting Routine MaintenanceTroubleshooting Circuit Diagram Electrical DiagramsWeld Zone Incorrect InstallationHigh Frequency Welding Processes Requiring High FrequencyCorrect Installation Metal BuildingMetal Building Requirements Main Assembly Parts ListDia Part Description Mkgs Quantity Figure -1. Main Assembly Page Page Support ServiceHobart Welding Products Contact your Distributor for
Top Page Image Contents