Fuel Consumption | Miller Electric Big Blue 500 PT, Big Blue 600 X

4-5. Fuel Consumption

The curve shows typical fuel use under weld or power loads.

	2.50
	2.25
	2.00
GAL./HR.	1.75
	1.50
	1.25
U.S.	1.00
U.S.
	0.75
	0.50
	0.25	IDLE
	0
	0	50	100	150	200	250	300	350	400	450	500	550	600
			DC WELD AMPERES AT 100% DUTY CYCLE

215 082−A

4-6. Duty Cycle And Overheating

100% Duty Cycle At 400 Amperes	Duty Cycle is percentage of 10 min-
	utes that unit can weld at rated load
	without overheating.
	NOTICE − Exceeding duty cycle
	can damage unit and void warranty.
Continuous Welding

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OM-4429 Page 18

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Miller Electric Big Blue 500 PT manual Fuel Consumption, Duty Cycle And Overheating, 100% Duty Cycle At 400 Amperes

Contents

File Engine Drive ProcessesDescription Visit our website at OM-44292216 138H 2007−05 From Miller to You Table of Contents − Maintenance & Troubleshooting Electric Shock can kill Symbol UsageArc Welding Hazards HOT Parts can cause severe burns ARC Rays can burn eyes and skin Fumes and Gases can be hazardousBuildup of GAS can injure or kill Welding can cause fire or explosion Engine Hazards Compressed Air Hazards Fire or Explosion hazard Welding Wire can cause injuryHOT Parts can cause burns and injury Falling Unit can cause injury EMF Information Principal Safety StandardsCalifornia Proposition 65 Warnings Radiation can cause interference UN Choc Électrique peut tuer Signification des symboles− Consignes DE Sécurité − Lire Avant Utilisation Indique des instructions spécifiques LE Soudage peut provoquer un in cendie ou une explosion DES Pièces Chaudes peuvent provoquer des brûlures gravesLES Fumées ET LES GAZ peuvent être dangereux LE Bruit peut affecter l’ouïe ’EXPLOSION DE LA Batterie peu DES Organes Mobiles peuvent pro voquer des blessures ’AIR Comprimé peut provoquer des blessures LA Chaleur DU Moteur peut pro- voquer un incendieRisque D’INCENDIE OU D’EXPLO- Sion LES Fils DE Soudage peuvent provoquer des blessures LE Surchauffement peut endom- mager le moteur électriqueDES Organes Mobiles peuvent provoquer des blessures ’EMPLOI Excessif peut Information EMF Proposition californienne 65 AvertissementsPrincipales normes de sécurité En ce qui concerne les implants médicaux − 50 h Std − DefinitionsStd Manufacturer’s Rating Labels CC Models Symbols And Definitions Some symbols are found only on CE products Weld, Power, And Engine Specifications − SpecificationsDimensions, Weights, And Operating Angles Volt-Ampere Curves For CC Models Volts TIG Mode Stick ModeMIG Mode Volt-Ampere Curves For CC/CV Models Duty Cycle And Overheating Fuel Consumption100% Duty Cycle At 400 Amperes 12 kVA/kW Single-Phase AC Output No Weld Load AC Generator Power CurveOptional Three-Phase Generator Curves 20 kVA/kW Three-Phase AC Output No Weld Load Location/Airflow Clearance − InstallationInstalling Welding Generator Grounding1 Using Lifting Eye Mounting Welding Generator Installing Exhaust Pipe Stop engine and let cool Activating The Dry Charge Battery If Applicable Connecting The Battery Fuel Coolant Recovery TankEngine Prestart Checks Oil MIG and Fcaw Welding Connecting To Weld Output TerminalsStick and TIG Welding Stop engine 150 ft 200 ft 250 ft Connecting to WeldSelecting Weld Cable Sizes 350 ft 400 ft 45 m 60 m 70 m 90 m 105 m 120 m Connecting To Remote 14 Receptacle RC14 On CC/CV Models Socket OM-4429 − Operating Welding Generator − CC Models Front Panel Controls For CC Models See Section Engine Gauges And Meters Engine Starting ControlsTo Start Weld Controls Weld Control/Arc Condition Information Label Remote Amperage Control On CC Models OptionalExample Combination Remote Amperage Control Stick OM-4429 − Operating Welding Generator − CC/CV Models Front Panel Controls For CC/CV Models See Section Voltage/Amperage Adjust Switch And Remote 14 Receptacle 14 AC/DC Voltmeter Optional Process/Contactor Switch On CC/CV Models Process/Contactor Switch Settings Remote Voltage/Amperage Control On CC/CV Models Optional Example Combination Remote Amperage Control TIG At least once a month, run en − Operating Auxiliary EquipmentVolt And 240 Volt Receptacles If a Supplementary Rear Of Panel Three-Phase Power ConnectionClose panel opening if no connections are made to generator 240 V 15 a AC South African Receptacle RC1 Optional Generator Power ReceptaclesSupplementary Protector CB2 Supplementary Protector CB3 − Maintenance & Troubleshooting Maintenance Label Routine Maintenance Servicing Air Cleaner To clean air filter Inspecting And Cleaning Optional Spark Arrestor Muffler Checking Generator Brushes To change oil and filter Servicing Fuel And Lubrication SystemsTo replace primary fuel filter Overload Protection Troubleshooting Welding − CC Models Welding − CC/CV Models Optional Three-Phase Generator Power CC/CV Models Only Standard Generator PowerEngine Factory Authorized Service Agent Check engine wiring harness plug connectionsGine Control switch S1 Engine cranks but does not start Check fuel level Start Your Professional Welding Career Now − Electrical Diagrams Circuit Diagram For CC Welding Generator 223 525-B Circuit Diagram For CC/CV Welding Generator 223 524-B Wetstacking − RUN-IN ProcedureWelding Generator Keep exhaust and pipe away Run-In Procedure Using Load BankFrom flammables Just generator A/V control so Run-In Procedure Using Resistance GridSpecifications section in this Manual Grounding Generator To Truck Or Trailer Frame − Generator Power GuidelinesSelecting Equipment Electrically Bond Generator Use ground device as stated in electrical codes Grounding When Supplying Building SystemsHow Much Power Does Equipment Require? Amperes x Volts = Watts Industrial Motors Rating Starting Watts Running Watts Approximate Power Requirements For Industrial MotorsApproximate Power Requirements For Farm/Home Equipment Farm/Home Equipment Rating Starting Watts Running Watts Approximate Power Requirements For Contractor Equipment Contractor Rating Starting Watts Running Watts Single-Phase Induction Motor Starting Requirements Power Required To Start MotorHow Much Power Can Generator Supply? KVA/HP x HP x 1000 / Volts = Starting Amperage Typical Connections To Supply Standby Power Selecting Extension Cord Use Shortest Cord Possible 114 −7 115 CV − Parts List123 116 CV 112 2831 124 88 −6 6059 58 Dia Part Description Quantity Dia Part Description Quantity Mkgs Figures 13-2 111 123 212 Control Box Assembly − CC Models Control Box Assembly − CC Models -1Item Engine Controller Control Box Assembly − CC/CV Models 134 Panel, Front w/Components − CC Models 3634 208278 Panel, Front w/Components − CC/CV Models Panel, Front w/Components − CC/CV Models -1Item CB1 201 Supplementary PROTECTOR, man reset 2P 20 A, 250VAC Hardware is common 32 31 30 053 BEARING, Ball Rdl Sgl Row 1.370 X 2.830 X Main Rectifier Assembly Wiring Harnesses 215207 Your distributor also gives ServiceSupport For assistance in filing or settling claims, contact To locate a Distributor or Service Agency visitMiller Electric Mfg. Co Your distributor and/or equipment manufacturer’s