Miller Electric Metro 250D manual Run-In Procedure Using Resistance Grid

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9.3Run-In Procedure Using Resistance Grid

YStop engine.

YDo not touch hot exhaust pipe, engine parts, or load bank/ grid.

YKeep exhaust and pipe away from flammables.

1 Resistance Grid

Use grid sized for generator rated output.

Turn Off grid.

2 Welding Generator

Set Amperage control at min.

3

Weld Cables

 

Connect grid to generator weld

 

output terminals using proper size

 

weld cables with correct connec-

 

tors (polarity is not important).

 

4

Voltmeter

 

5

Clamp-On Ammeter

 

Connect voltmeter and ammeter as

 

shown, if not provided on generator.

 

Start engine and run for several

 

minutes.

 

Set grid switches and then adjust

 

Amperage control so load and out-

 

put are 180 A.

4

Check generator and meters after first five minutes then every fifteen minutes to be sure generator is loaded properly.

. Check oil level frequently dur- ing run-in; add oil if needed.

After one hour (minimum), place Amperage control in minimum posi- tion, then shut down grid to remove load. Run engine several minutes at no load.

YStop engine and let cool.

6 Engine Exhaust Pipe

Repeat procedure if wetstacking is present.

S-0684

6

2

1

35

+

38

OM-402

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Contents OM-402B ProcessesDescription From Miller to You Table of Contents Metro 250DPage Safety Precautions − Read Before Using Symbol UsageArc Welding Hazards Engine Hazards Engine Exhaust Gases can kill Battery Explosion can BlindMoving Parts can cause injury Engine Heat can cause fireRadiation can cause interference Principal Safety StandardsEMF Information ARC Welding can cause interferenceUN Choc Électrique peut tuer Signification des symbolesConsignes 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 DES Organes Mobiles peuvent provoquer des blessures’EXPLOSION DE LA Batterie peut LA Chute DE L’APPAREIL peut blesserÉlectrostatiques peuvent endommager les circuits imprimés Principales normes de sécuritéInformation sur les champs électromagnétiques UNE Remorque QUI Bascule peut entraîner des blessuresSymbols and Definitions DefinitionsGeneral Precautionary Label Battery Charging Label Fan and Moving Parts LabelHot Muffler Label Diesel Fuel LabelFalling Equipment Label Activation Tag− 50 h Std Do Not Use Ether Label Manufacturer’s Rating LabelDimensions, Weights, and Operating Angles SpecificationsWeld, Power, and Engine Specifications Volt-Ampere CurveFuel Consumption Duty Cycle and OverheatingInstalling Welding Generator InstallationAC Auxiliary Power Curve Location GroundingStop engine Connecting Battery and Installing Exhaust PipeEngine Prestart Checks Connect negative − cable last100 ft 30 m or Less Connecting to Weld Output TerminalsSelecting Weld Cable Sizes 10 − 60% 60 − 100% Duty 10 − 100% Duty CycleRemote 14 Receptacle RC1 Information Ref. ST-158Socket Information Front Panel Controls Using Idle Lock SwitchOperating the Welding Generator PlugRemote Amperage and Contactor Control Auxiliary Power Receptacles Operating Auxiliary EquipmentMaintenance & Troubleshooting 100 Hrs Maintenance Changing Engine Oil and Oil Filter Do not clean housing with air hose Servicing Air CleanerTo Clean air filter Changing Fuel FiltersAdjusting Engine Speed Idle Speed AdjustmentWeld/Power Speed Adjustment Overload Protection Weld And Auxiliary Power CircuitsRemote Control Circuit Engine Control CircuitServicing Optional Spark Arrestor Welding TroubleshootingStop engine and let cool. Reinstall cleanout plug Trouble RemedyAuxiliary Power Troubleshooting Engine TroubleshootingUle OM-402 Electrical Diagram Circuit Diagram for Welding GeneratorSC-181 Run-In Procedure WetstackingHeavy loading during first Run-In Procedure Using Load Bank Load BankRun-In Procedure Using Resistance Grid Auxiliary Power Guidelines Selecting EquipmentGrounding Generator to Truck or Trailer Frame Grounding When Supplying Building Systems How 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 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 Amperage VoltsTypical Connections to Supply Standby Power Selecting Extension Cord Use Shortest Cord Possible Current Load Watts AmperesParts List Main AssemblyST-801 488-A 11.1 PC6CB9 Panel, Front w/Components .1 Item 11.2 CB5Generator .1 Item Control Box w/Components .1 Item Diode BoardOM-402 Page OM-402 Page Options and Accessories Metro 250DCall Miller for your local Miller distributor Owner’s Record Miller Electric Mfg. Co