Tweco ArcMaster 401MST - Manual (Page 5)

TABLE OF CONTENTS
SECTION 4: BASIC WELDING GUIDE .................................................................... 4-1
4.01 Stick (SMAW) Basic Welding Technique ......................................................... 4-1
4.02 Stick (SMAW) Welding Troubleshooting ....................................................... 4-10
4.03 TIG (GTAW) Basic Welding Technique .......................................................... 4-12
4.04 TIG (GTAW) Welding Problems ..................................................................... 4-14
SECTION 5: POWER SOURCE PROBLEMS AND ROUTINE SERVICE REQUIREMENTS ............ 5-1
5.01 Maintenance and Repair ................................................................................. 5-1
5.02 Power Source Status Messages ...................................................................... 5-2
5.03 Error Messages ............................................................................................... 5-2
5.04 Routine Inspection, Testing & Maintenance .................................................... 5-4
5.05 Cleaning the Welding Power Source ............................................................... 5-4
SECTION 6: KEY SPARE PARTS .......................................................................... 6-1
6.01 401MST Power Source Spare Parts ................................................................ 6-1
APPENDIX A: CIRCUIT DIAGRAM ........................................................................ A-1
Tweco - LIMITED WARRANTY TERMS