Miller Electric Metro 250D manual Panel, Front w/Components .1 Item

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11.1 (Continued)

Item	Dia.		Part	Description	Quantity
No.	Mkgs.		No.	Description	Quantity
. . . 88 . . .	. . . . . . .	. . . . .	162 515	. . RECTIFIER, si diode (consisting of)	. . . 1
. . . . . . . . .	. C1,3	. . . . . 048 420		. . . . CAPACITOR, cer disc .01uf 1000VDC	. . . 2
. . . . . . . . .	. C2,4	. . . . . 106 641		. . . . CAPACITOR, cer disc .01uf 500VDC	. . . 2
. . . . . . . . .	. D1-3 . . . . . 037 957			. . . . DIODE, rect 275A 300V RP	. . . 3
. . . . . . . . .	SCR1,2 . . . .		162 516	. . . . THYRISTOR, SCR 300A 300V	. . . 2
. . . . . . . . .	. . . . . . .	. . . . .	028 388	. . . . CLAMP, thyristor	. . . 2
. . . 89 . . .	. . . . . . .	. . . . .	162 442	. . PANEL, air duct	. . . 1
. . . 90 . . .	. . . . . . .	. . . . .	163 608	. . STABILIZER	. . . 1
. . . 91 . . .	. . . . . . .	. . . . .	Fig 11.2	. . PANEL, front w/components	. . . 1
. . . 92 . . .	. . . . . . .	. . . . .	164 126	. . TRIM, panel front bottom	. . . 1
. . . 93 . . .	. . . . . . .	. . . . .	167 658	. . PANEL, front lower	. . . 1
. . . 94 . . .	. PC5	. . . . . 148 608		. . CIRCUIT CARD, filter HF	. . . 1
. . . . . . . . .	. . . . . . .	. . . . .	141 690	. . GROMMET, scr No. 8/10 panel hole	. . . 4
. . . 95 . . .	. PC7	. . . . . 181 261		. . CIRCUIT CARD, filter HF	. . . 1
. . . 96 . . .	. . . . . . .	. . . . .	162 447	. . UPRIGHT, base front	. . . 1
. . . . . . . . .	. . . . . . .	. . . . .	172 804	. . HARNESS, wiring unit	. . . 1
. . . . . . . . .	. . . . . . .	. . . . .	182 032	. . HARNESS, engine	. . . 1
. . . . . . . . .	. . . . . . .	. . . . .	172 802	. . HARNESS, receptacle	. . . 1
. . . . . . . . .	. . . . . . .	. . . . .	177 119	. . KIT, label	. . . 1
. . . . . . . . .	. . . . . . .	. . . . .	137 180	. . CLAMP, stl cushion .875dia	. . . 1
. . . . . . . . .	. . . . . . .	. . . . .	166 347	. . TRIM, cover corners front	. . . 2
. . . . . . . . .	. . . . . . .	. . . . .	166 348	. . TRIM, cover corners rear	. . . 2
. . . . . . . . .	. . . . . . .	. . . . .	168 071	. . CONNECTOR & SOCKETS	. . . 2
. . . . . . . . .	. . . . . . .	. . . . .	148 439	. . CONNECTOR & SOCKETS	. . . 2
. . . . . . . . .	. . . . . . .	. . . . .	158 720	. . CONNECTOR & SOCKETS	. . . 1
. . . . . . . . .	. . . . . . .	. . . . .	165 688	. . CONNECTOR & SOCKETS	. . . 1
. . . . . . . . .	. . . . . . .	. . . . .	168 847	. . CONNECTOR & SOCKETS	. . . 1
. . . . . . . . .	. . . . . . .	. . . . .	168 809	. . CONNECTOR & SOCKETS	. . . 1
. . . . . . . . .	. . . . . . .	. . . . .	164 899	. . CONNECTOR & SOCKETS	. . . 1

+When ordering a component originally displaying a precautionary label, the label should also be ordered. ♦Optional 043 139 Cold Weather Diesel Starting Kit.

*Recommended Spare Parts.

To maintain the factory original performance of your equipment, use only Manufacturer’s Suggested Replacement Parts. Model and serial number required when ordering parts from your local distributor.

11.2 Panel, Front w/Components (Fig 11.1 Item 91)

Item			Dia.	Part	Description	Quantity
	No.		Mkgs.	No.	Description	Quantity
. . .	1	. . . .	R4,5 . . . . . 072 623		. . POTENTIOMETER, CP plain rnd 1/T 2W 1K linear	. . . 2
. . .	2	. . . . . S1 .		. . . . . 172 070	. . SWITCH, ignition 5posn	. . . 1
. . .	3	. . . .	. . . . . .	. . . . . 178 772	. . PANEL, front	. . . 1
. . .	4	. . . .	. . . . . .	. . . ♦169 331	. . SWITCH, polarity	. . . 1
. . .	5	. . . .	S6-8 . . . . . 011 609		. . SWITCH, tgl SPDT 15A 125VAC	. . . 3
. . .	6	. . . . RC3		. . . . . 132 539	. . RECEPTACLE, str 3P4W 50A 125/250V flush mtg	. . . 1
. . .	6	. . . . RC3		. . ♦♦173 423	. . RECEPTACLE, 3P 50A 125/250V twk	. . . 1
. . .	7	. . . . CB3,4		. . . . 141 267	. . CIRCUIT BREAKER, man reset 1P 50A 250VAC	. . . 2
. . .	. . .	. . . .	. . . . . .	. . . . . . . . . . . . . .	. . PLATE, receptacle (order by model and serial number)	. . . 1
. . .	8	. . . RC1,2		. . . . 167 657	. . RECEPTACLE, str dx grd 2P3W 15A 125V	. . . 2
. . .	9	. . . . CB1,2		. . . . 139 266	. . CIRCUIT BREAKER, man reset 1P 15A 250VAC	. . . 2
. . . 10		. . .	GFCI1	. . . . 172 072	. . SENSOR, GFCI Test & Reset 50A 240V	. . . 1
. . . 11		. . . .	. . . . . .	. . . . . 154 022	. . COVER, receptacle GFCI	. . . 1
. . . 12		. . . .	PC2	. . . . . 147 554	. . CIRCUIT CARD, connector/receptacle	. . . 1

50

OM-402

Image 54

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