The following terms are used interchangeably throughout this manual:

TIG = GTAW

Stick = SMAW

Mig = GMAW

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.)

TABLE OF CONTENTS

SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING

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 – LIRE AVANT UTILISATION

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 – INSTALLATION

9

2-1.

Specifications

9

2-2.

Volt-Ampere Curves

9

2-3.

Duty Cycle And Overheating

10

2-4.

Selecting A Location

11

2-5.

Dimensions And Weights

11

2-6. Weld Output Terminals And Selecting Cable Sizes

12

2-7.

Remote 14 Receptacle

12

2-8.

115 Volts AC Duplex Receptacle

13

2-9.

Electrical Service Guide

13

2-10. Placing Jumper Links And Connecting Input Power

14

SECTION 3 – OPERATION

15

3-1.

Controls

15

SECTION 4 – MAINTENANCE & TROUBLESHOOTING

16

4-1.

Routine Maintenance

16

4-2. Circuit Breakers CB1 And CB2

16

4-3.

Fuse F1

17

4-4.

Troubleshooting

17

SECTION 5 – ELECTRICAL DIAGRAM

19

SECTION 6 – PARTS LIST

20

OPTIONS AND ACCESSORIES

 

WARRANTY

 

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Hobart Welding Products 300 DC, 300 AC manual Table of Contents