Tweco 300 ACDC Arcmaster - Manual (Page 5)

TABLE OF CONTENTS
SECTION 7:
BASIC TIG WELDING GUIDE
7.01 Explanation of “Fluttery Arc” when AC TIG Welding on Aluminum........................................................34
7.02 Electrode Polarity..................................................................................................................................35
7.03 Tungsten Electrode Current Ranges......................................................................................................35
7.04 Tungsten Electrode Types.....................................................................................................................35
7.05 Guide for Selecting Filler Wire Diameter................................................................................................36
7.06 Shielding Gas Selection ........................................................................................................................36
7.07 TIG Welding Parameters for Low Carbon & Low Alloy Steel Pipe .........................................................36
7.08 Welding Parameters for Aluminum .......................................................................................................37
7.09 Welding Parameters for Steel ...............................................................................................................37
SECTION 8:
BASIC ARC WELDING GUIDE
8.01 Electrode Polarity..................................................................................................................................38
8.02 Effects of Stick Welding Various Materials............................................................................................38
SECTION 9:
ROUTINE
MAINTENANCE .......................................................................................................40
SECTION 10:
BASIC
TROUBLESHOOTING
10.01 TIG Welding Problems........................................................................................................................41
10.02 Stick Welding Problems......................................................................................................................43
10.03 Power Source Problems .....................................................................................................................45
SECTION 11:
VOLTAGE REDUCTION DEVICE (VRD)
11.01 VRD Specification ...............................................................................................................................47
11.02 VRD Maintenance ...............................................................................................................................47
11.03 Switching VRD ON/OFF.......................................................................................................................48
SECTION 12:
POWER
SOURCE ERROR CODES ..............................................................................................50
APPENDIX A – INTERCONNECT DIAGRAM ..........................................................................................51
APPENDIX B – ARCMASTER 300 AC/DC ACCESSORIES...........................................................................55
LIMITED WARRANTY AND SCHEDULE
GLOBAL CUSTOMER SERVICE CONTRACT INFORMATION .................................................... Inside Rear Cover