TABLE OF CONTENTS
SECTION 1:
SAFETY INSTRUCTIONS AND WARNINGS ................................................................. 1
SYMBOL LEGEND ................................................................................................................. 11
SECTION 2:
INTRODUCTION AND DESCRIPTION ....................................................................... 12
2.01 How to Use This Manual ............................................................................................................................. 12
2.02 Equipment Identification ............................................................................................................................. 12
2.03 Receipt of Equipment.................................................................................................................................. 12
2.04 Description ................................................................................................................................................. 13
2.05 Functional Block Diagram ........................................................................................................................... 14
2.06 Transporting Methods................................................................................................................................. 14
SECTION 3:
INSTALLATION RECOMMENDATIONS..................................................................... 15
3.01 Environment ............................................................................................................................................... 15
3.02 Location...................................................................................................................................................... 15
3.03 Electrical Input Connections........................................................................................................................ 15
3.04 Electrical Input Requirements ..................................................................................................................... 16
3.05 Input Power ................................................................................................................................................ 17
3.06 High Frequency Introduction....................................................................................................................... 17
3.07 High Frequency Interference ....................................................................................................................... 18
3.08 Duty Cycle................................................................................................................................................... 18
3.09 Specifications ............................................................................................................................................. 19
SECTION 4:
OPERATOR CONTROLS ...................................................................................... 20
4.01 ARC MASTER 400 MST Controls ................................................................................................................ 20
4.02 Weld Parameter Descriptions for ARC MASTER 400 MST .......................................................................... 23
4.03 Weld Process Selection for the ARC MASTER 400 MST ............................................................................. 24
4.04 Weld Parameter Descriptions...................................................................................................................... 24
4.05 Weld Parameters......................................................................................................................................... 26
4.06 Power Source Features ............................................................................................................................... 26
SECTION 5:
SEQUENCE OF OPERATION ................................................................................. 28
5.01 Stick Welding.............................................................................................................................................. 29
5.02 LIFT TIG Welding ........................................................................................................................................ 29
5.03 MIG Welding ............................................................................................................................................... 30
5.04 Save-Load Operation................................................................................................................................... 30
SECTION 6:
BASIC TIG WELDING GUIDE................................................................................. 31
6.01 Electrode Polarity........................................................................................................................................ 31
6.02 Tungsten Electrode Current Ranges............................................................................................................ 31
6.03 Tungsten Electrode Types ........................................................................................................................... 31
6.04 Guide for Selecting Filler Wire Diameter...................................................................................................... 32
6.05 Shielding Gas Selection............................................................................................................................... 32
6.06 TIG Welding Parameters for Low Carbon & Low Alloy Steel Pipe ............................................................... 32
6.07 Welding Parameters for Steel...................................................................................................................... 33