Tweco Fabricator 141i Operating Manual - 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 ............................................... 4-7
4.03 Stick (SMAW) Basic Welding Technique ....................................................... 4-10
4.04 Effects of Stick Welding Various Materials .................................................... 4-10
4.05 Stick (SMAW) Welding Troubleshooting ....................................................... 4-21
4.06 TIG (GTAW) Basic Welding Technique .......................................................... 4-23
4.07 TIG (GTAW) Welding Problems ..................................................................... 4-25
SECTION 5: POWER SOURCE PROBLEMS AND ROUTINE SERVICE REQUIREMENTS ............ 5-1
5.01 Power Source Problems ................................................................................. 5-1
5.02 Routine Service............................................................................................... 5-3
5.03 Cleaning the Welding Power Source ............................................................... 5-4
5.04 Cleaning the Feed Rolls ................................................................................... 5-4
5.05 Volt-Ampere Curves ........................................................................................ 5-4
SECTION 6: KEY SPARE PARTS .......................................................................... 6-1
6.01 Tweco Fusion 140A MIG Gun Parts ................................................................ 6-1
6.02 Power Source ................................................................................................. 6-2
6.03 Hardware List ................................................................................................. 6-4
APPENDIX ................................................................................................... A-1
APPENDIX: FABRICATOR 141I CIRCUIT DIAGRAM .................................................... A-2
TWECO - LIMITED WARRANTY TERMS ............................................ INSIDE BACK COVER