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.

Included with Your Unit

9

2-2.

Selecting A Location

9

2-3.

Dimensions And Weights

10

2-4.

Specifications

10

2-5.

Duty Cycle Chart

10

2-6.

Volt-Ampere Curves

11

2-7.

Weld Output Terminals And Selecting Cable Sizes

11

2-8.

Remote 14 Receptacle

12

2-9.

Shielding Gas Connections

12

2-10. Electrical Service Guide

13

2-11.

Connecting Input Power

13

SECTION 3 – OPERATION

14

3-1.

Controls

14

3-2. Example of Front Panel Amperage Control

15

3-3. Example of Remote Amperage Control

15

3-4.

Typical TIG Connections

16

3-5.

Typical Stick Connections

16

3-6.

Process and Material Thickness Guide Label

17

SECTION 4 – MAINTENANCE AND TROUBLESHOOTING

17

4-1.

Routine Maintenance

17

4-2.

Adjusting Spark Gaps

18

4-3.

Troubleshooting

18

SECTION 6 – ELECTRICAL DIAGRAM

19

SECTION 7 – HIGH FREQUENCY (HF)

20

7-1. Welding Processes Using HF

20

7-2. Sources Of HF Radiation From Incorrect Installation

20

7-3.

Correct Installation

21

SECTION 7 – SELECTING AND PREPARING

 

TUNGSTEN ELECTRODE

22

7-1.

Selecting Tungsten Electrode

22

7-2. Safety Information About Tungsten

22

7-3. Preparing Tungsten For DC Electrode Negative (DCEN) Welding

23

SECTION 8 – GUIDELINES FOR TIG WELDING (GTAW)

24

8-1.

Positioning The Torch

24

8-2. Torch Movement During Welding

25

8-3. Positioning Torch Tungsten For Various Weld Joints

26

SECTION 9 – STICK WELDING (SMAW) GUIDELINES

28

SECTION 10 – PARTS LIST

36

OPTIONS AND ACCESSORIES

 

WARRANTY

 

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Hobart 180 SD manual Table of Contents