Tweco 250i Multi Process Welding Inverter 2RT Wire Feeder - Manual (Page 5)

TABLE OF CONTENTS
SECTION 4:
BASIC WELDING GUIDE ................................................................................ 4-1
4.01 MIG (GMAW/FCAW) Basic Welding Technique ....................................................... 4-1
4.02 MIG (GMAW/FCAW) Welding Troubleshooting ....................................................... 4-4
4.03 Stick (MMAW) Basic Welding Technique ................................................................ 4-7
4.04 Stick (MMAW) Welding Troubleshooting .............................................................. 4-16
4.05 TIG (GTAW) Basic Welding Technique .................................................................. 4-18
4.06 TIG (GTAW) Welding Problems ............................................................................ 4-21
SECTION 5: POWER SOURCE PROBLEMS AND ROUTINE SERVICE REQUIREMENTS ............... 5-1
5.01 Power Source Problems ......................................................................................... 5-1
5.02 Routine Service and Calibration Requirements ....................................................... 5-3
5.03 Cleaning the Welding Power Source ....................................................................... 5-6
5.04 Cleaning the Feed Rolls .......................................................................................... 5-7
SECTION 6: KEY SPARE PARTS .............................................................................. 6-1
6.01 Tweco Fusion 250 Mig Torch .................................................................................. 6-1
6.02 Transmig 250
i
Power Source .................................................................................. 6-2
APPENDIX 1: OPTIONS AND ACCESSORIES ............................................................... A-1
APPENDIX 2: TRANSMIG 250i CIRCUIT DIAGRAM ........................................................ A-2
CIGWELD LIMITED WARRANTY ............................................................................ RC-2
TERMS OF WARRANTY – APRIL 2010 .................................................................... RC-3
WARRANTY SCHEDULE – APRIL 2010 .................................................................... RC-4
GLOBAL CUSTOMER SERVICE CONTACT INFORMATION .............................................. RC-5