Contents.
1.0 Recommended Safety Guidelines andPrecautions 4
1.1 Health Hazard Information 5
1.2 Personal Protection 5
1.3 Electrical shock 7
1.4 User Responsibility 7
2.0 MIG/MAG Operating Manual 8
2.1 Introduction to Metal Inert Gas(MIG) & Metal Active Gas (MAG) 8
2.2 Introduction to Flux Cored Arc Welding (FCAW) 8
2.3 Introduction to Metal Cored Arc Welding (MCAW) 10
2.4 Modes of metal transfer 11
2.5 Fundamentals of MIG/MAG, FCAW and MCAW 13
2.6 4T/2T Trigger Latch Selection 15
3.0 Gas tungsten arc welding (GTAW/TIG) 16
3.1 Introduction 16
3.2 Process 16
3.3 Process variables 17
3.4 Shielding gas selection 18
3.5 Welding wire selection 18
3.6 Tungsten electrode selection 19
3.7 Welding techniques 21
3.8 Torch movement during welding 21
3.9 Positioning torch tungsten for various weld joints 22
3.10 Joint preparation 23
4.0 Manual Metal Arc Welding Process (MMAW) 25
4.1 Process 25
4.2 Welding Machine 25
4.3 Welding Technique 26
4.4 Electrode Selection 26
4.5 Types of Joints 28
4.6 Fillet Welds 30
4.7 Typical Defects Due to FaultyTechnique 32
5.0 General Welding Information 34
5.1 Recommended Welding Parameters for MIG/MAG 34
6.0 Correct Application Techniques 35
7.0 Package Contents 37
8.0 Installation 38
8.1 Installation for MIG/MAG process 38
8.2 Installation for MIG/MAG set up with OPTIONAL spool gun 38
8.3 Installation for TIG setup 39
8.4 Installation for MMA process 39
9.0 Control panels 40
9.1 Polarity selection 40
10.0 Operation 41
10.1 Starting up 41
10.2 Operation instruction under MIG mode 41
10.3 Operation instruction under LIFT TIG mode. 43
10.4 Operation instruction under MMA mode. 43
10.5 Error display 44
11.0 Troubleshooting and Fault Finding 46
11.1 TIG/MMA functions 46
11.2 MIG/MAG functions 48
12.0 Periodic Maintenance 50
12.1 Power Source 50
13.0 Technical Specications 51
14.0 Warranty Information 52
14.1 Terms of Warranty 52
14.2 Limitations on Warranty 52
14.3 Warranty Period 52
14.4 Warranty Repairs 52
3BOC Smootharc 180 Multiprocess operating manual
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