Miller Electric MOG-300 Maintenance & Troubleshooting, Sequence Of Gas Tungsten Arc Welding Gtaw

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4-8. Sequence Of Shielded Metal Arc Welding (SMAW)
Install &	Select	Put On		Insert	Turn On
Connect	Electrode	Personal Safety	Set Controls	Electrode	Welding Power
Equipment		Equipment		Into Holder	Source
Begin Welding
					ssb7.1 9/92

4-9. Sequence Of Gas Tungsten Arc Welding (GTAW)
Install &	If Applicable,		Select	Insert	Put On
Connect	Install High_		Tungsten	Tungsten	Personal Safety	Set Controls
Equipment	Frequency Unit		Into Torch		Equipment
	Turn On	If Applicable,	Turn On
Shielding Gas		Turn On High-	Welding Power	Begin Welding
		Frequency Unit	Source
						ssb8.1* 12/92

SECTION 5 – MAINTENANCE & TROUBLESHOOTING

5-1. Routine Maintenance

3 Months	Turn Off all power before maintaining.		6 Months
Tape Or			Blow Out
Replace		OR	Blow Out
Replace		OR	Or
Cracked			Vacuum
Cables			Vacuum
Cables			Inside
			Inside
		During Heavy Service,
Replace		Clean Monthly
Unreadable
Labels

Clean

And

Tighten Weld

Connections

Ref. ST-124 643-A

OM-808 Page 20

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Contents

OM-808 ProcessesDescription 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 Soudage peut provoquer un incendie ou une explosion DES Particules Volantes peuvent blesser les yeuxLE Bruit peut affecter l’ouïe Risque D’INCENDIE OU LA Chute DE L’APPAREIL peut blesser’EMPLOI Excessif peut DES Organes Mobiles peuvent provoquer des blessuresPrincipales normes de sé curité Information sur les champs é lectromagné tiquesConsignes relatives aux stimulateurs cardiaques Specifications Resistance GridGrid Rack Installation Typical Multiple Operator System Component RelationshipsTurn Off welding power source Before moving grid or rack Resistance GridMulti-Grid Rack 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 mSafety Equipment OperationControls Dual Model Shown Optional Polarity Switch Arcing can damage switchWork Clamp 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