Generator | Miller Electric Big Blue 251D guide

. Hardware is common and not available unless listed.

19

16

18 17

15

12

14

	21
13 12	22	20
		23

9

10

8

7

	4
	6
3	5
	4
Figure 12-3. Generator	2
Figure 12-3. Generator	1

24

26

27	25
	28
	29

ST-110 922-F

OM-480 Page 50

Image 54

Miller Electric Big Blue 251D manual Generator

Contents

Visit our website at OM-480128 576AC January ProcessesDescription Engine Driven Welding Generator From Miller to You Table of Contents Options and Accessories Warranty Symbol Usage Arc Welding Hazards Engine Hazards Compressed Air Hazards 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 LES Fumées ET LES GAZ peuvent être dangereux DES Pièces Chaudes peuvent provoquer des brûlures graves LE Soudage peut provoquer un in- cendie ou une explosionDES Particules Volantes peuvent blesser les yeux LE Bruit peut affecter l’ouïe LA Chaleur DU Moteur peut pro- voquer un incendie ’EXPLOSION DE LA Batterie peutDES Organes Mobiles peuvent provoquer des blessures ’AIR Comprimé peut provoquer des blessures Principales normes de sécurité Information sur les champs électromagnétiques Symbols And Definitions − Definitions − Specifications Weld, Power, And Engine SpecificationsDimensions, Weights, And Operating Angles Fuel Consumption Curve shows typical fuel use under weld or power loadsExceeding duty cycle can damage unit and void warranty Duty Cycle And Overheating AC Generator Power Volt-Ampere Curves Optional AC Power Plant Curves − Installation Installing Welding GeneratorConnecting The Battery Stop engine and let cool Installing Muffler PipeEngine Prestart Checks Fuel Do not use gasoline. Gasoline Installing Ether Cylinder Optional Ether Starting Aid Connecting To Weld Output Terminals 350 ft 400 ft 45 m 60 m 70 m 90 m 105 m 120 m Selecting Weld Cable Sizes150 ft 200 ft 250 ft Put terminals − Operating the Welding Generator Controls See Section Stop engine and fix trouble if either light goes on Description Of Front Panel Controls See SectionRemote A/V Control Do not use Ether if engine is running − Operating Auxiliary Equipment Volt Duplex And Optional Gfci ReceptaclesX 15 a + 120 V x 10 a = 3.0 kVA/kW OM-480 Circuit Breakers CB1 And CB2 Volt Duplex Receptacle Optional240 V 15 a AC Receptacle RC1 X 10 a + 120 V x 5 a = 3.0 kVA/kW Connecting Optional AC Power Plant 240 Volt Twistlock Receptacle Optional − Maintenance and Troubleshooting Maintenance Label Servicing Air Cleaner To replace primary fuel filter Servicing Fuel And Lubrication SystemsTo change oil and filter To replace secondary fuel filter Adjusting Engine Speed Standard ModelsModels With Automatic Idle Optional Overload Protection Servicing Optional Ether Starting Aid Full Empty Stop engine and let cool. Reinstall cleanout plug Inspecting And Cleaning Optional Spark ArrestorTroubleshooting Welding Engine Generator PowerCheck connections to ac power plant see Section Maximum see Section − Electrical Diagram Circuit Diagram For Welding Generator − RUN-IN Procedure WetstackingWelding Generator Stop engine Do not touch hot exhaust Run-In Procedure Using Load BankProcedure at less than From flammables Do not Perform From flammables Run-In Procedure Using Resistance GridBank/grid Do not perform run-in − Generator Power Guidelines Selecting EquipmentGrounding Generator To Truck Or Trailer Frame Earth ground if supplying 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 = Starting Amperage Typical Connections To Supply Standby Power Work like a Pro Selecting Extension Cord Use Shortest Cord Possible Current Load Watts Amperes OM-480 120 121 117 − Parts List125 124 123 122 116 2526 126 Dia Part Description Quantity Mkgs 128 Panel, Front w/Components -1Item 111 Panel, Front w/Components -1Item 111 Cont’d Generator Generator -1Item 114 IncludesPage Page Service Your distributor also givesSupport 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