Operating instructions
3BOC Smootharc Advance II MIG 250C Operating manual
Contents.
1.0 Recommended Safety Guidelines andPrecautions 4
1.1 Health Hazard Information 5
1.2 Personal Protection 5
1.3 Electrical shock 6
1.4 User Responsibility 6
2.0 MIG Process 7
2.1 Introduction to Metal Inert Gas (MIG) 7
2.2 Introduction to Flux Cored Arc Welding (FCAW) 7
2.3 Introduction to Metal Cored Arc Welding (MCAW) 9
2.4 Fundamentals of MIG, FCAW and MCAW 12
3.0 MMA Process 14
3.1 Introduction 14
3.2 Process 14
3.3 Welding Machine 14
3.4 Welding Technique 15
3.5 Electrode Selection 15
3.6 Types of Joints 18
3.7 Fillet Welds 19
3.8 Typical Defects Due to FaultyTechnique 21
4.0 General Welding Information 23
4.1 Recommended Welding Parameters 23
5.0 Correct Application Techniques 25
6.0 Package Contents 27
7.0 Installation 28
7.1 Installation for MIG/MAG process 28
7.2 Installation for MMA process 28
8.0 Operation Set-up 29
8.1 MIG Welding Set-up 29
8.2 MMA Welding Set-up 29
9.0 Control Panel 30
9.1 Controls 30
9.2 Inductance 31
9.3 4T/2T Trigger Latch Selection 31
10.0 Troubleshooting and Fault Finding 32
11.0 Replacement Parts 33
12.0 Periodic Maintenance 34
12.1 Power Source 34
13.0 Technical Specications 35
14.0 Warranty Information 36
14.1 Terms of Warranty 36
14.2 Limitations on Warranty 36
14.3 Warranty Period 36
14.4 Warranty Repairs 36