Tweco 550i Transmig User Manual
Page 4
TABLE OF CONTENTS
ARC WELDING SAFETY INSTRUCTIONS AND WARNINGS ..................................... 1-1
Gouging Specifications (Transmig 550i only) ................................................. 2-7
INSTALLATION, OPERATION AND SETUP ........................................................ 3-1
Mains Supply Voltage Requirements .............................................................. 3-1
Transmig 350i, 450i, 550i Power Source Controls, Indicators and Features .. 3-3
Shielding Gas Regulator Operating Instructions ........................................... 3-15
Setup for MIG (GMAW) Welding with Gas Shielded Mig Wire ...................... 3-17
Setup for MIG (GMAW) Welding with Gasless Mig Wire .............................. 3-20
Setup for TIG (GTAW) Welding With Gas Shielding ...................................... 3-22
Setup for STICK (MMAW) Welding ............................................................. 3-23
Setup for GOUGING (Transmig 550i only) .................................................... 3-24
BASIC WELDING GUIDE ............................................................................ 4-1
MIG (GMAW/FCAW) Basic Welding Technique ............................................... 4-1
MIG (GMAW/FCAW) Welding Troubleshooting ............................................... 4-7
Stick (MMAW) Basic Welding Technique ...................................................... 4-10
Stick (MMAW) Welding Troubleshooting ...................................................... 4-21
TIG (GTAW) Basic Welding Technique .......................................................... 4-23