Tweco 201 ts Thermal Arc - Manual (Page 5)

TABLE OF CONTENTS
SECTION 4:
OPERATION ........................................................................................... 4-1
4.01 Front Panel ..................................................................................................... 4-1
4.02 Welding Current Control Explanation .............................................................. 4-3
4.03 STICK (MMA) Electrode Polarity ..................................................................... 4-3
4.04 Effects of Stick Welding Various Materials ...................................................... 4-3
4.05 GTAW Electrode Polarity ................................................................................. 4-4
4.06 Guide for Selecting Filler Wire ........................................................................ 4-4
4.07 Tungsten Electrode Current Ranges ................................................................ 4-4
4.08 Shielding Gas Selection .................................................................................. 4-4
4.09 Tungsten Electrode Types ............................................................................... 4-5
4.10 TIG Welding Parameters for Steel ................................................................... 4-5
4.11 Arc Welding Practice ....................................................................................... 4-5
4.12 Welding Position ............................................................................................. 4-6
4.13 Joint Preparations ........................................................................................... 4-7
4.14 Arc Welding Technique ................................................................................... 4-8
4.15 The Welder ...................................................................................................... 4-8
4.16 Striking the Arc ............................................................................................... 4-8
4.17 Arc Length ...................................................................................................... 4-8
4.18 Rate of Travel .................................................................................................. 4-8
4.19 Making Welded Joints ..................................................................................... 4-9
4.20 Distortion ...................................................................................................... 4-11
4.21
The Cause of Distortion ................................................................................ 4-11
4.22 Overcoming Distortion Effects ...................................................................... 4-12
SECTION 5:
SERVICE ............................................................................................... 5-1
5.01 Maintenance and Inspection ........................................................................... 5-1
5.02 STICK (MMA) Welding Problems ................................................................... 5-2
5.03 TIG Welding Problems ................................................................................... 5-3
5.04 Power Source Problems ................................................................................ 5-4
APPENDIX 1: OPTIONS AND ACCESSORIES ............................................................ A-1
APPENDIX 2: REPLACEMENT PARTS .................................................................... A-2
APPENDIX 3: 201 TS SYSTEM SCHEMATIC ............................................................ A-4
LIMITED WARRANTY & WARRANTY SCHEDULE