Miller Electric Comprehensive Parts List for Welding Systems

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11. Parts List

11.1 Main Assembly

.Hardware is common and

not available unless listed.			29
	5		28
			28
			27
	4
3		6	26
3			26
			25

96

95

2	7
2
	24
1	8
	8
	23
	22

17	18
16
15	19	20	21
	19	20	21

1014

9 11

13

12

83

84

85

86 Fig 11-4

	90	89
		89
		88
	91	Fig 11-2	87
			87
	92
94	93
94

46

OM-402

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Contents Description OM-402BProcesses From Miller to You Table of Contents Metro 250DPage Arc Welding Hazards Safety Precautions − Read Before UsingSymbol Usage 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 Label− 50 h Std Falling Equipment LabelActivation Tag 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 CycleSocket Information Remote 14 Receptacle RC1 InformationRef. ST-158 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 FiltersWeld/Power Speed Adjustment Adjusting Engine SpeedIdle 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 Heavy loading during first Run-In ProcedureWetstacking Run-In Procedure Using Load Bank Load BankRun-In Procedure Using Resistance Grid Grounding Generator to Truck or Trailer Frame Auxiliary Power GuidelinesSelecting Equipment Amperes x Volts = Watts Grounding When Supplying Building SystemsHow Much Power Does Equipment Require? 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