Table Of Contents - Thermal Arc ARCMASTER 300 MST Operating Manual

Inverter arc welder

Table of Contents

1.0 SAFETY INSTRUCTIONS AND WARNINGS ...................................................................................... 1

1.01 Arc Welding hazards ............................................................................................................................................ 1

1.02 Principal Safety Standards ................................................................................................................................... 4

1.03 Precautions de Securite en Soudage à l'Arc ......................................................................................................... 5

1.04 Dangers Relatif au Soudage à l'Arc ...................................................................................................................... 5

1.05 Principales Normes de Securite ........................................................................................................................... 8

SYMBOL LEGEND ......................................................................................................................... 9

2.0 INTRODUCTION AND DESCRIPTION........................................................................................... 10

2.01 Description......................................................................................................................................................... 10

2.02 Functional Block Diagram................................................................................................................................... 11

2.03 Transporting Methods........................................................................................................................................ 11

2.04 Installation Recommendations ........................................................................................................................... 12

2.04.01 Environment........................................................................................................................................... 12

2.04.02 Location ................................................................................................................................................. 12

2.05 Electrical Input Connections............................................................................................................................... 13

2.05.01 Electrical Input Requirements ................................................................................................................ 13

2.05.02 Input Power ........................................................................................................................................... 15

2.05.03 High Frequency Introduction.................................................................................................................. 16

2.05.04 High Frequency Interference .................................................................................................................. 16

2.06 Specifications..................................................................................................................................................... 17

2.07 Duty Cycle.......................................................................................................................................................... 18

3.0 OPERATOR CONTROLS.......................................................................................................... 19

3.01 ARC MASTER 300 MST Controls ....................................................................................................................... 19

3.02 Weld Parameter Descriptions for ARC MASTER 300 MST.................................................................................. 22

3.03 Weld Process Selection for the ARC MASTER 300 MST .................................................................................... 23

3.04 Weld Parameter Descriptions............................................................................................................................. 23

3.04.01 WELD (V)............................................................................................................................................... 23

3.04.02 INDUCTANCE ......................................................................................................................................... 23

3.04.03 HOT START............................................................................................................................................ 24

3.04.04 WELD (A)............................................................................................................................................... 24

3.04.05 ARC CONTROL....................................................................................................................................... 24

3.05 Weld Parameters................................................................................................................................................ 25

3.06 Power Source Features ...................................................................................................................................... 25

4.0 SEQUENCE OF OPERATION ..................................................................................................... 27

4.01 Stick Welding ..................................................................................................................................................... 28

4.02 LIFT TIG Welding ............................................................................................................................................... 28

4.03 MIG Welding ...................................................................................................................................................... 28

4.04 Save-Load Operation.......................................................................................................................................... 29

5.0 BASIC WELDING GUIDE ......................................................................................................... 30

5.01 Electrode Polarity ............................................................................................................................................... 30

5.02 Tungsten Electrode Current Ranges ................................................................................................................... 30

5.03 Tungsten Electrode Types .................................................................................................................................. 30

5.04 Guide for Selecting Filler Wire Diameter ............................................................................................................. 31

5.05 Shielding Gas Selection...................................................................................................................................... 31

5.06 TIG Welding Parameters for Low Carbon & Low Alloy Steel Pipe....................................................................... 31

5.07 Welding Parameters for Steel............................................................................................................................. 32