Miller Electric MOG-250, MOG-300, MOG-350 Operation, Controls Dual Model Shown, Safety Equipment

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SECTION 4 – OPERATION

WARNING

ELECTRIC SHOCK can kill.

• Keep all panels and covers securely in place.

• Do not touch electrode holders of opposite polarity at the same time.

• Separate electrode holders of opposite polarity to prevent contact.

• See ANSI Z49.1 and OSHA TITLE 29, CHAPTER XVII, PART 1910, Subpart Q.

4-1. Controls (Dual Model Shown)

1 Coarse Amperage Control

1

2

1

2 Paralleling Switch

 

Included on dual models only.

3 Optional Polarity Switch

4 2-1/2 Ampere Switch

This switch is included on units with Polarity switch. Switch is optional for all other models.

5 Fine Amperage Control

3

4

4

5

5

Ref. ST-161 155

4-2. Safety Equipment

1

2

3

Wear the following while welding:

1 Dry, Insulating Gloves

2 Safety Glasses With Side

Shields

3 Welding Helmet With Correct

Shade Of Filter (See ANSI

Z49.1)

sb3.1 1/94

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Contents
Description OM-808Processes From Miller to You Table of Contents Page Symbol Usage Marks a special safety messageArc Welding Hazards Electric Shock can killARC Rays can burn eyes and skin Welding can cause fire or explosionFlying Metal can injure eyes Buildup of GAS can injure or killPrincipal Safety Standards EMF Information About PacemakersSignification des symboles Consignes DE Securite Lire Avant UtilisationUN Choc É Lectrique peut tuer LES Fumé ES ET LES GAZ peuvent ê tre dangereuxLE Bruit peut affecter l’ouïe LE Soudage peut provoquer un incendie ou une explosionDES Particules Volantes peuvent blesser les yeux Risque D’INCENDIE OU LA Chute DE L’APPAREIL peut blesser’EMPLOI Excessif peut DES Organes Mobiles peuvent provoquer des blessuresConsignes relatives aux stimulateurs cardiaques Principales normes de sé curitéInformation sur les champs é lectromagné tiques Grid Rack SpecificationsResistance Grid Installation Typical Multiple Operator System Component RelationshipsMulti-Grid Rack Turn Off welding power source Before moving grid or rackResistance Grid Tools Needed Weld Input/Output Cables For Multi-Grid Rack Female Camlok Connector Assembly Male Camlok Connector AssemblyWeld Cable Size Optional Remote Receptacle Information And Connections150 ft 200 ft 250 ft 300 ft 350 ft 45 m 60 m 70 m 90 m 105 m 120 mControls Dual Model Shown Safety EquipmentOperation Work Clamp Optional Polarity SwitchArcing can damage switch Amperage Controls Paralleling Switch Dual Models Only Optional Remote Grid Amperage ControlMaintenance & Troubleshooting Routine Maintenance MonthsTurn Off all power before maintaining Sequence Of Shielded Metal Arc Welding SmawTroubleshooting Overload ProtectionElectrical Diagrams Circuit Diagram For 300 Ampere ModelCircuit Diagram For 400 Ampere Model Circuit Diagram For 250/250 Ampere Model Circuit Diagram For 350/350 Ampere Model Parts List Main AssemblyDia Part Panel, Front w/Components Nameplate Resistor Assembly, Current 049 BUS BAR, interconnecting resistors MOG-Pak 6 APR MOG-Pak 2, 4 Optional EquipmentRemote Control Service SupportOwner’s Record Miller Electric Mfg. Co