TABLE OF CONTENTS
SECTION 1: SAFETY INSTRUCTIONS AND WARNINGS............................................... 1-1
1.01 Arc Welding Hazards ....................................................................................... 1-1
1.02 Principal Safety Standards .............................................................................. 1-4
1.03 Declaration of Conformity ............................................................................... 1-5
1.04 Symbol Chart .................................................................................................. 1-6
1.05 Servicing Hazards ........................................................................................... 1-7
1.06 EMF Information ............................................................................................. 1-8
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 Description ..................................................................................................... 2-1
2.05 Transportation Methods .................................................................................. 2-1
2.06 User Responsibility ......................................................................................... 2-2
2.07 Packaged Items .............................................................................................. 2-2
SECTION 3: SAFETY AND INSTALLATION .............................................................. 3-1
3.01 Duty Cycle ....................................................................................................... 3-1
3.02 WeldSkill 250 MIG Power Source Specifications ............................................ 3-2
3.03 WeldSkill 350 MIG Power Source Specifications ............................................ 3-3
3.04 WeldSkill 4R Wirefeeder Specifications .......................................................... 3-4
3.05 Environment ................................................................................................... 3-5
3.06 Location .......................................................................................................... 3-5
3.07 Ventilation ....................................................................................................... 3-5
3.08 Mains Supply Voltage Requirements .............................................................. 3-6
3.09 Electrical Input Connections ........................................................................... 3-7
3.10 Electromagnetic Compatibility ........................................................................ 3-7
3.11 Installation and Users Responsibility .............................................................. 3-7
3.12 Assessment of Area ........................................................................................ 3-8
3.13 Methods of Reducing Electromagnetic Emissions .......................................... 3-8
3.14 Volt-Ampere Curves ........................................................................................ 3-9
SECTION 4: OPERATION ................................................................................. 4-1
4.01 Power Source Front Panel ............................................................................. 4-1
4.02 Power Source Internal Welding Controls ........................................................ 4-3
4.03 4R Wirefeeder Front Panel .............................................................................. 4-6
4.04 Shielding Gas Regulator Operating Instructions ............................................. 4-6
4.05 Setup For The WeldSkill 250 & 350 MIG Power Source ................................ 4-9
4.06 Wire Reel Brake ........................................................................................... 4-11
4.07 Setup For The WeldSkill 250 & 350 MIG Power Source When Fitted With
Wirefeeder .................................................................................................... 4-11
4.08 Wire Reel Brake ........................................................................................... 4-13
4.09 How to Lift WELDSKILL 4R Wirefeeder ........................................................4-13
SECTION 5: MAIN CIRCUIT DESCRIPTION ............................................................. 5-1
5.01 Main Circuit Description ................................................................................. 5-1
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