Tweco 95 S Thermal Arc(Jan2013) - Manual (Page 4)

TABLE OF CONTENTS
SECTION 1:SAFETY INSTRUCTIONS AND WARNINGS ................................................ 1-1
1.01 Arc Welding Hazards ....................................................................................... 1-1
1.02 Principal Safety Standards .............................................................................. 1-4
1.03 Symbol Chart .................................................................................................. 1-5
1.04 Precautions De Securite En Soudage A L’arc .................................................. 1-6
1.05 Dangers relatifs au soudage à l’arc ................................................................. 1-6
1.06 Principales Normes De Securite ..................................................................... 1-9
1.07 Graphique de Symbole .................................................................................. 1-10
SECTION 2:INTRODUCTION ............................................................................... 2-1
2.01 How to Use This Manual ................................................................................. 2-1
2.02 Equipment Identification ................................................................................. 2-1
2.03 Receipt of Equipment ...................................................................................... 2-1
2.04 Description ..................................................................................................... 2-1
2.05
Transportation Methods .................................................................................. 2-1
2.06 Duty Cycle ....................................................................................................... 2-1
2.07 Specifications ................................................................................................. 2-2
SECTION 3:INSTALLATION ................................................................................ 3-1
3.01 Environment ................................................................................................... 3-1
3.02 Location .......................................................................................................... 3-1
3.03
Electrical Input Connections ........................................................................... 3-1
3.04 Electromagnetic Compatibility ........................................................................ 3-4
3.05 Setup for Welding ........................................................................................... 3-5
3.06 STICK (SMAW) Setup ..................................................................................... 3-6
3.07 Lift TIG (GTAW) Setup .................................................................................... 3-7
SECTION 4:OPERATION .................................................................................... 4-1
4.01 Front Panel ..................................................................................................... 4-1
4.02 SMAW Electrode Polarity ................................................................................ 4-2
4.03 Effects of Stick Welding Various Materials ...................................................... 4-2
4.04 GTAW Electrode Polarity ................................................................................. 4-3
4.05 Guide for Selecting Filler Wire ........................................................................ 4-3
4.06 Tungsten Electrode Current Ranges ................................................................ 4-3
4.07 Shielding Gas Selection .................................................................................. 4-3
4.08 Tungsten Electrode Types ............................................................................... 4-3
4.09 TIG Welding Parameters for Steel ................................................................... 4-3
4.10 Arc Welding Practice ....................................................................................... 4-4
4.11 Welding Position ............................................................................................. 4-4
4.12 Joint Preparations ........................................................................................... 4-5
4.13 Arc Welding Technique ................................................................................... 4-6
4.14 The Welder ...................................................................................................... 4-6
4.15 Striking the Arc ............................................................................................... 4-6
4.16 Arc Length ...................................................................................................... 4-6
4.17 Rate of Travel .................................................................................................. 4-6
4.18 Making Welded Joints ..................................................................................... 4-6
4.19 Distortion ........................................................................................................ 4-8
4.20
The Cause of Distortion .................................................................................. 4-9
4.21 Overcoming Distortion Effects ........................................................................ 4-9