Tweco 181i Thermal Arc Fabricator - Manual (Page 5)

TABLE OF CONTENTS
3.20 Setup for MIG (GMAW) Welding with Gas Shielded MIG Wire ..................... 3-21
3.21 Setup for MIG (FCAW) Welding with Flux Core (Gasless) Wire .................... 3-22
3.22 Setup for SPOOL GUN MIG (GMAW) Welding with Gas Shielded MIG Wire . 3-24
3.23 Setup for LIFT TIG (GTAW) Welding ............................................................. 3-25
3.24 Setup for STICK (SMAW) Welding .............................................................. 3-27
SECTION 4: BASIC WELDING GUIDE .................................................................... 4-1
4.01 MIG (GMAW/FCAW) Basic Welding Technique ............................................... 4-1
4.02 MIG (GMAW/FCAW) Welding Troubleshooting ............................................... 4-6
4.03 Stick (SMAW) Basic Welding Technique ......................................................... 4-9
4.04 Effects of Stick Welding Various Materials ...................................................... 4-9
4.05 Stick (SMAW) Welding Troubleshooting ....................................................... 4-18
4.06 TIG (GTAW) Basic Welding Technique .......................................................... 4-20
4.07 TIG (GTAW) Welding Problems ..................................................................... 4-22
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 ............................................... 5-2
5.03 Cleaning the Welding Power Source ............................................................... 5-5
5.04 Cleaning the Feed Rolls ................................................................................... 5-5
5.05 Volt-Ampere Curves ........................................................................................ 5-6
SECTION 6: KEY SPARE PARTS .......................................................................... 6-1
6.01 Tweco Fusion 180A MIG Gun Parts ................................................................ 6-1
6.02 Power Source ................................................................................................. 6-2
APPENDIX: FABRICATOR 181i CIRCUIT DIAGRAM .................................................... A-1
THERMAL ARC - LIMITED WARRANTY TERMS ..................................... Inside Rear Cover
GLOBAL CUSTOMER SERVICE CONTACT INFORMATION ....................................Rear Cover