Miller Electric MOG-Pak, MOG-300, MOG-350, MOG-250, MOG-400, RGC manual Table of Contents

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The following terms are used interchangeably throughout this manual:

TIG = GTAW

Stick = SMAW

TABLE OF CONTENTS

SECTION 1 – SAFETY PRECAUTIONS - READ BEFORE USING		1
1-1.	Symbol Usage	1
1-2.	Arc Welding Hazards	1
1-3. Additional Symbols for Installation, Operation, and Maintenance		3
1-4.	Principal Safety Standards	3
1-5.	EMF Information	4

SECTION 1 – CONSIGNES DE SECURITE – LIRE AVANT UTILISATION		5
1-1.	Signification des symboles	5
1-2.	Dangers relatifs au soudage à l’arc	5
1-3. Dangers supplémentaires en relation avec l’installation, le fonctionnement
	et la maintenance	7
1-4.	Principales normes de sécurité	8
1-5.	Information sur les champs électromagnétiques	8

SECTION 2 – SPECIFICATIONS		9
2-1.	Resistance Grid	9
2-2.	Grid Rack	9
SECTION 3 – INSTALLATION		10
3-1. Typical Multiple Operator System Component Relationships		10
3-2. Selecting A Location And Moving Resistance Grid Or Multi-Grid Rack		11
3-3. Weld Input/Output Cables For Resistance Grid (Dual Model Shown)		12
3-4. Weld Input/Output Cables For Multi-Grid Rack		13
3-5. Female Camlok Connector Assembly		14
3-6. Male Camlok Connector Assembly		14
3-7.	Weld Cable Size*	15
3-8. Optional Remote Receptacle Information And Connections		15
SECTION 4 – OPERATION		16
4-1. Controls (Dual Model Shown)		16
4-2.	Safety Equipment	16
4-3.	Work Clamp	17
4-4.	Optional Polarity Switch	17
4-5.	Amperage Controls	18
4-6. Optional Remote Grid Amperage Control		19
4-7. Paralleling Switch (Dual Models Only)		19
4-8. Sequence Of Shielded Metal Arc Welding (SMAW)		20
4-9. Sequence Of Gas Tungsten Arc Welding (GTAW)		20
SECTION 5 – MAINTENANCE & TROUBLESHOOTING		20
5-1.	Routine Maintenance	20
5-2.	Fuse Link Location	21
5-3.	Troubleshooting	21
SECTION 6 – ELECTRICAL DIAGRAMS		22
SECTION 7 – PARTS LIST		26
OPTIONS AND ACCESSORIES
WARRANTY

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Contents OM-808 ProcessesDescription From Miller to You Table of Contents Page Electric Shock can kill Symbol UsageMarks a special safety message Arc Welding HazardsBuildup of GAS can injure or kill ARC Rays can burn eyes and skinWelding can cause fire or explosion Flying Metal can injure eyesPrincipal Safety Standards About Pacemakers EMF InformationLES Fumé ES ET LES GAZ peuvent ê tre dangereux Signification des symbolesConsignes DE Securite Lire Avant Utilisation UN Choc É Lectrique peut tuerLE Soudage peut provoquer un incendie ou une explosion DES Particules Volantes peuvent blesser les yeuxLE Bruit peut affecter l’ouïe DES Organes Mobiles peuvent provoquer des blessures Risque D’INCENDIE OULA Chute DE L’APPAREIL peut blesser ’EMPLOI Excessif peutPrincipales normes de sé curité Information sur les champs é lectromagné tiquesConsignes relatives aux stimulateurs cardiaques Specifications Resistance GridGrid Rack Typical Multiple Operator System Component Relationships InstallationTurn Off welding power source Before moving grid or rack Resistance GridMulti-Grid Rack Tools Needed Weld Input/Output Cables For Multi-Grid Rack Male Camlok Connector Assembly Female Camlok Connector Assembly45 m 60 m 70 m 90 m 105 m 120 m Weld Cable SizeOptional Remote Receptacle Information And Connections 150 ft 200 ft 250 ft 300 ft 350 ftSafety Equipment OperationControls Dual Model Shown Optional Polarity Switch Arcing can damage switchWork Clamp Amperage Controls Optional Remote Grid Amperage Control Paralleling Switch Dual Models OnlySequence Of Shielded Metal Arc Welding Smaw Maintenance & TroubleshootingRoutine Maintenance Months Turn Off all power before maintainingOverload Protection TroubleshootingCircuit Diagram For 300 Ampere Model Electrical DiagramsCircuit Diagram For 400 Ampere Model Circuit Diagram For 250/250 Ampere Model Circuit Diagram For 350/350 Ampere Model Main Assembly Parts ListDia Part Panel, Front w/Components Nameplate Resistor Assembly, Current 049 BUS BAR, interconnecting resistors MOG-Pak 6 APR Optional Equipment MOG-Pak 2, 4Remote Control Support ServiceMiller Electric Mfg. Co Owner’s Record