181i Fabricator User Manual

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 ............................................... 4-6
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
TWECO - LIMITED WARRANTY TERMS
............................................ INSIDE REAR COVER
GLOBAL CUSTOMER SERVICE CONTACT INFORMATION
................................. REAR COVER