Tweco 400 TS Arcmaster - Manual (Page 4)

TABLE OF CONTENTS
SAFETY INSTRUCTIONS AND WARNINGS........................................................................... 1
SYMBOL LEGEND ....................................................................................................... 9
2.0 INTRODUCTION AND DESCRIPTION......................................................................... 10
2.01 Description ................................................................................................................................10
2.02 Functional Block Diagram ..........................................................................................................11
2.03 Transporting Methods................................................................................................................11
3.0 INSTALLATION RECOMMENDATIONS....................................................................... 12
3.01 Environment ..............................................................................................................................12
3.02 Location.....................................................................................................................................12
3.03 Electrical Input Connections.......................................................................................................13
3.03.01 Electrical Input Requirements ........................................................................................13
3.03.03 High Frequency Introduction..........................................................................................16
3.03.04 High Frequency Interference ..........................................................................................16
3.04 Specifications ............................................................................................................................17
3.05 Duty Cycle..................................................................................................................................18
4.0 OPERATOR CONTROLS ....................................................................................... 19
4.01 ARCMASTER 400
TS Controls ....................................................................................................19
4.02 Weld Process selection for ArcMaster 400
TS ............................................................................21
4.03 Weld Parameter Description ......................................................................................................22
4.04 Weld Parameters for ArcMaster 400
TS......................................................................................24
4.05 Power Source Features ..............................................................................................................25
5.0
SET-UP FOR SMAW (STICK) AND GTAW (TIG)............................................................ 27
6.0 SEQUENCE OF OPERATION ................................................................................... 28
6.01 Stick Welding.............................................................................................................................29
6.02 HF TIG & Lift TIG Welding..........................................................................................................29
6.02.01 Slope Mode Sequence ...................................................................................................30
6.02.02 Slope Mode with Repeat Sequence ................................................................................30
6.02.03 Pulse Controls ...............................................................................................................31
6.03 Save-Load Operation.................................................................................................................32
7.0 BASIC TIG WELDING GUIDE .................................................................................. 33
7.01 Electrode Polarity.......................................................................................................................33
7.02 Tungsten Electrode Current Ranges...........................................................................................33
7.03 Tungsten Electrode Types ..........................................................................................................33
7.04 Guide for Selecting Filler Wire Diameter.....................................................................................34
7.05 Shielding Gas Selection .............................................................................................................34
7.06 TIG Welding Parameters for Low Carbon & Low Alloy Steel Pipe ..............................................34
7.07 Welding Parameters for Steel.....................................................................................................36
8.0 BASIC ARC WELDING GUIDE ................................................................................. 37
8.01 Electrode Polarity.......................................................................................................................37
8.02 Effects of Stick Welding Various Materials .................................................................................37