Miller Electric Big Blue 251D Installation, Installing Welding Generator, Connecting The Battery

Page 18

SECTION 5 − INSTALLATION

5-1. Installing Welding Generator

Movement

YDo Not Lift Unit From End

OR

Airflow Clearance

18in

(460 mm)

 

18 in

18 in

(460 mm)

 

(460 mm)

 

18 in

18 in

(460 mm)

(460 mm)

 

Location

OR

Grounding

1

 

 

Y Always securely fasten welding

 

2

 

 

generator onto transport vehicle

 

 

 

 

 

GND/PE

 

 

 

or trailer and comply with all DOT

 

 

 

 

 

and other applicable codes.

 

 

 

 

Y Always ground generator frame

 

 

 

 

 

to vehicle frame to prevent elec-

 

 

 

 

 

tric shock and static electricity

 

 

 

 

 

hazards.

 

 

 

 

Y If unit does not have GFCI recep-

 

Electrically bond generator frame to

 

 

 

tacles, use GFCI-protected ex-

 

 

 

 

tension cord.

 

vehicle frame by metal-to-metal

 

 

 

 

 

 

1

Equipment Grounding Terminal

 

contact.

 

3

 

 

 

 

 

(On Front Panel)

 

Y Bed liners, shipping skids, and some running

 

2 Grounding Cable (Not Supplied)

 

 

3

Metal Vehicle Frame

 

gears insulate the welding generator from the

 

 

 

Connect cable from equipment ground

 

vehicle frame. Always connect a ground wire

 

 

from the generator equipment grounding termi-

 

terminal to metal vehicle frame. Use #10

 

nal to bare metal on the vehicle frame as shown.

 

AWG or larger insulated copper wire.

install1 11/02 − Ref. ST-800 652 / Ref. ST-800 477-A / ST-158 936-A / S-0854

5-2. Connecting The Battery

YConnect Negative (−)

Cable Last.

+

Tools Needed: 1/2 in

156 011-A / Ref. 206 029 / S-0756

OM-480 Page 14

Image 18
Contents Visit our website at OM-480128 576AC January ProcessesDescription Engine Driven Welding GeneratorFrom Miller to You Table of Contents Options and Accessories Warranty Symbol Usage Arc Welding HazardsEngine Hazards Compressed Air Hazards EMF Information Principal Safety StandardsCalifornia Proposition 65 Warnings Radiation can cause interferenceUN Choc Électrique peut tuer Signification des symboles− Consignes DE Sécurité − Lire Avant Utilisation LES Fumées ET LES GAZ peuvent être dangereuxDES 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’ouïeLA Chaleur DU Moteur peut pro- voquer un incendie ’EXPLOSION DE LA Batterie peutDES Organes Mobiles peuvent provoquer des blessures ’AIR Comprimé peut provoquer des blessuresPrincipales normes de sécurité Information sur les champs électromagnétiquesSymbols And Definitions − Definitions− Specifications Weld, Power, And Engine SpecificationsDimensions, Weights, And Operating Angles Fuel Consumption Curve shows typical fuel use under weld or power loads Exceeding duty cycle can damage unit and void warranty Duty Cycle And OverheatingAC Generator Power Volt-Ampere CurvesOptional 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. GasolineInstalling Ether Cylinder Optional Ether Starting Aid Connecting To Weld Output Terminals350 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 SectionStop 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/kWConnecting 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 filterAdjusting Engine Speed Standard ModelsModels With Automatic Idle Optional Overload Protection Servicing Optional Ether Starting Aid Full EmptyStop engine and let cool. Reinstall cleanout plug Inspecting And Cleaning Optional Spark ArrestorTroubleshooting WeldingEngine 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 PerformFrom 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 = WattsIndustrial 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 WattsApproximate Power Requirements For Contractor Equipment Contractor Rating Starting Watts Running WattsSingle-Phase Induction Motor Starting Requirements Power Required To Start MotorHow Much Power Can Generator Supply? KVA/HP x HP x 1000 = Starting AmperageTypical Connections To Supply Standby Power Work like a ProSelecting Extension Cord Use Shortest Cord Possible Current Load Watts AmperesOM-480 120 121 117 − Parts List125 124 123 122 1162526 126 Dia Part Description Quantity Mkgs 128 Panel, Front w/Components -1Item 111Panel, 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