Miller Electric MARK VIII-2 manual

Contents

Main MARK VIII-2 From Miller to You TABLE OF CONTENTS Page SECTION 1 SAFETY PRECAUTIONS - READ BEFORE USING 1-1. Symbol Usage . 1-2. Arc Welding Hazards ELECTRIC SHOCK can kill. ARC RAYS can burn eyes and skin. WELDING can cause fire or explosion. FLYING METAL can injure eyes. BUILDUP OF GAS can injure or kill. HOT PARTS can cause severe burns. 1-3. Additional Symbols For Installation, Operation, And Maintenance FIRE OR EXPLOSION hazard. FALLING UNIT can cause injury. OVERUSE can cause OVERHEATING STATIC (ESD) can damage PC boards. 1-5. Principal Safety Standards 1-6. EMF Information SECTION 2 CONSIGNES DE SCURIT LIRE AVANT UTILISATION 2-1. Symboles utiliss . 2-2. Dangers relatifs au soudage la rc UNE DCHARGE LECTRIQUE peut entraner la mort. LES RAYONS DARC peuvent entra- ner des brlures aux yeux et la peau. LE SOUDAGE peut provoquer un incendie ou une explosion. DES PARTICULES VOLANTES peuvent blesser les yeux. LES ACCUMULATIONS DE GAZ risquent de provoquer des blessures ou mme la mort. DES PICES CHAUDES peuvent provoquer des brlures graves. 2-3. Dangers supplmentaires en relation avec linstallation, le fonctionnement et la maintenance Risque DINCENDIE OU DEXPLO- SION. LA CHUTE DE LAPPAREIL peut blesser. LEMPLOI EXCESSIF peut SUR- CHAUFFER LQUIPEMENT. LES CHARGES LECTROSTATIQUES peuvent endommager les circuits imprims. 2-5. Principales normes de scurit 2-6. Information EMF SECTION 3 SPECIFICATIONS 3-1. Specifications 3-2. Volt-Ampere Curves 3-3. Duty Cycle And Overheating SECTION 4 INSTALLATION 4-1. Selecting A Location And Moving Polyweld System 4-2. Dimensions, Weights And Base Mounting Hole Layout Overall dimensions (A, B, and C) include lifting eye, handles, hardware, etc. 4-3. Selecting And Preparing Weld Output Cables NOTE 4-4. Weld Cable Size WARNING A. Standard Module Connections Table 3-1. Common Work Cable Size Common Work Cable Sizes At Main Transformer Rated Welding Current Cable Length Cable Size B. Parallel Module Connections 4-7. Remote Amperage Control Receptacle 4-8. Remote Contactor Control Connections (Optional) 4-9. 115 Volts AC Duplex Receptacle 4-10. Connecting Input Power A. Positioning Jumper Links 230 VOLTS 460 VOLTS 575 VOLTS B. Connecting Input Power 4-11. Electrical Service Guide 5-1. Controls Min Input Conductor Size In AWG Max Recommended Input Conductor Length In Feet (Meters) 230 Min Grounding Conductor Size In AWG SECTION 5 OPERATION 5-2. Amperage Adjustment Controls 5-3. Power Switch Push Buttons And Pilot Light SECTION 6 MAINTENANCE & TROUBLESHOOTING 3 Months 6 Months 6-1. Routine Maintenance 6-2. Overload Protection 6-3. Blank Module Panel 6-4. Troubleshooting Trouble Remedy Page Page Page SECTION 8 SELECTING AND PREPARING TUNGSTEN ELECTRODE NOTE 8-1. Selecting Tungsten Electrode 8-2. Preparing Tungsten For AC Or DC Electrode Positive (DCEP) Welding 8-3. Preparing Tungsten For DC Electrode Negative (DCEN) Welding SECTION 9 GUIDELINES FOR TIG WELDING (GTAW) 9-1. Positioining The Torch 9-2. Torch Movement During Welding 9-3. Positioning Torch Tungsten For Various Weld Joints SECTION 10 PARTS LIST Figure 10-1. Main Assembly (Section A) Page Figure 10-2. Main Assembly (Section B) Page Page Page Page Warranty Questions? Call 1-800-4-A-MILLER for your local Miller distributor. Effective January 1, 2005 (Equipment with a serial number preface of LF or newer) Please complete and retain with your personal records. For Service Always provide Model Name and Serial/Style Number. Contact a DISTRIBUTOR or SERVICE AGENCY near you. Owners Record