CIGWELD 170Oi, Service Manual, Page: 4 / 92

TABLE OF CONTENTS
SECTION 1:
ARC WELDING SAFETY INSTRUCTIONS AND WARNINGS ..................................... 1-1
1.01 Arc Welding Hazards ....................................................................................... 1-1
1.02 Principal Safety Standards .............................................................................. 1-5
1.03 Declaration of Conformity ............................................................................... 1-6
1.04 Servicing Hazards ........................................................................................... 1-7
1.05 EMF Information ............................................................................................. 1-9
SECTION 2:
INTRODUCTION ..................................................................................... 2-1
2.01 How To Use This Manual ................................................................................ 2-1
2.02 Equipment Identification ................................................................................. 2-1
2.03 Receipt Of Equipment ..................................................................................... 2-1
2.04 Symbol Chart .................................................................................................. 2-2
2.05 Description ..................................................................................................... 2-3
2.06
User Responsibility ......................................................................................... 2-3
2.07 Transporting Methods ..................................................................................... 2-3
2.08 Packaged Items .............................................................................................. 2-3
SECTION 3:
INSTALLATION ....................................................................................... 3-1
3.01 Duty Cycle ....................................................................................................... 3-1
3.02 Specifications ................................................................................................. 3-2
3.03 Environment ................................................................................................... 3-3
3.04 Location .......................................................................................................... 3-3
3.05 Ventilation ....................................................................................................... 3-4
3.06
Mains Supply Voltage Requirements .............................................................. 3-4
3.07 Electromagnetic Compatibility ........................................................................ 3-4
SECTION 4:
OPERATION ........................................................................................... 4-1
4.01 Transtig 170Pi Power Source Controls, Indicators and Features .................... 4-1
4.02 Shielding Gas Regulator Operating Instructions ........................................... 4-12
4.03 Setup for TIG (GTAW) Welding ..................................................................... 4-14
4.04 Foot Control Part No. W4015800 (Optional Accessory) ................................ 4-15
4.05 Setup for Manual Arc (MMAW) Welding ..................................................... 4-17
SECTION 5:
ThEORY OF OPERATION ............................................................................ 5-1
5.01 Inverter Design ............................................................................................... 5-1
SECTION 6:
TROUBLEShOOTING ................................................................................ 6-1
6.01 Basic Troubleshooting .................................................................................... 6-1
6.02 Power Source Faults ....................................................................................... 6-3
6.03 Factory Reset ................................................................................................. 6-4
6.04 Advanced Troubleshooting .............................................................................. 6-4
6.05 Test Equipment and Tools for Troubleshooting and Servicing......................... 6-5
6.06 Visually Inspect ............................................................................................... 6-5