Tweco 175 TE Arcmaster - Manual (Page 5)

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