Miller Electric Metro 250D manual Call Miller for your local Miller distributor

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Warranty Questions?

Effective January 1, 2000 (Equipment with a serial number preface of “LA” or newer)

This limited warranty supersedes all previous Miller warranties and is exclusive with no other

guarantees or warranties expressed or implied.

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1-800-4-A-MILLER for your local Miller distributor.

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You always get the fast, reliable response you need. Most replacement parts can be in your hands in 24 hours.

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Need fast answers to the tough welding questions? Contact your distributor.

The expertise of the distributor and Miller is there to help you, every step of the way.

LIMITED WARRANTY − Subject to the terms and conditions below, Miller Electric Mfg. Co., Appleton, Wisconsin, warrants to its original retail purchaser that new Miller equipment sold after the effective date of this limited warranty is free of defects in material and workmanship at the time it is shipped by Miller.

THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS.

Within the warranty periods listed below, Miller will repair or replace any warranted parts or components that fail due to such defects in material or workmanship. Miller must be notified in writing within thirty (30) days of such defect or failure, at which time Miller will provide instructions on the warranty claim procedures to be followed.

Miller shall honor warranty claims on warranted equipment listed below in the event of such a failure within the warranty time periods. All warranty time periods start on the date that the equipment was delivered to the original retail purchaser, or one year after the equipment is sent to a North American distributor or eighteen months after the equipment is sent to an International distributor.

1.5 Years Parts − 3 Years Labor

*Original main power rectifiers

*Inverters (input and output rectifiers only)

2.3 Years — Parts and Labor

*Transformer/Rectifier Power Sources

*Plasma Arc Cutting Power Sources

*Semi-Automatic and Automatic Wire Feeders

*Inverter Power Supplies

*Intellitig

*Engine Driven Welding Generators

(NOTE: Engines are warranted separately by the engine manufacturer.)

3.1 Year — Parts and Labor

*DS-2 Wire Feeder

*Motor Driven Guns (w/exception of Spoolmate 185 & Spoolmate 250)

*Process Controllers

*Positioners and Controllers

*Automatic Motion Devices

*RFCS Foot Controls

*Induction Heating Power Sources

*Water Coolant Systems

*HF Units

*Grids

*Maxstar 140

*Spot Welders

*Load Banks

*Miller Cyclomatic Equipment

*Running Gear/Trailers

*Plasma Cutting Torches (except APT & SAF Models)

*Field Options

(NOTE: Field options are covered under True Bluefor the remaining warranty period of the product they are installed in, or for a minimum of one year — whichever is greater.)

4.6 Months — Batteries

5.90 Days — Parts

*MIG Guns/TIG Torches

*Induction Heating Coils and Blankets

*APT, ZIPCUT & PLAZCUT Model Plasma Cutting Torches

*Remote Controls

*Accessory Kits

*Replacement Parts (No labor)

*Spoolmate 185 & Spoolmate 250

*Canvas Covers

Miller’s True BlueLimited Warranty shall not apply to:

1.Consumable components; such as contact tips, cutting nozzles, contactors, brushes, slip rings, relays or parts that fail due to normal wear.

2.Items furnished by Miller, but manufactured by others, such as engines or trade accessories. These items are covered by the manufacturer’s warranty, if any.

3.Equipment that has been modified by any party other than Miller, or equipment that has been improperly installed, improperly operated or misused based upon industry standards, or equipment which has not had reasonable and necessary maintenance, or equipment which has been used for operation outside of the specifications for the equipment.

MILLER PRODUCTS ARE INTENDED FOR PURCHASE AND USE BY COMMERCIAL/INDUSTRIAL USERS AND PERSONS TRAINED AND EXPERIENCED IN THE USE AND MAINTENANCE OF WELDING EQUIPMENT.

In the event of a warranty claim covered by this warranty, the exclusive remedies shall be, at Miller’s option: (1) repair; or (2) replacement; or, where authorized in writing by Miller in appropriate cases, (3) the reasonable cost of repair or replacement at an authorized Miller service station; or (4) payment of or credit for the purchase price (less reasonable depreciation based upon actual use) upon return of the goods at customer’s risk and expense. Miller’s option of repair or replacement will be F.O.B., Factory at Appleton, Wisconsin, or F.O.B. at a Miller authorized service facility as determined by Miller. Therefore no compensation or reimbursement for transportation costs of any kind will be allowed.

TO THE EXTENT PERMITTED BY LAW, THE REMEDIES PROVIDED HEREIN ARE THE SOLE AND EXCLUSIVE REMEDIES. IN NO EVENT SHALL MILLER BE LIABLE FOR DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES (INCLUDING LOSS OF PROFIT), WHETHER BASED ON CONTRACT, TORT OR ANY OTHER LEGAL THEORY.

ANY EXPRESS WARRANTY NOT PROVIDED HEREIN AND ANY IMPLIED WARRANTY, GUARANTY OR REPRESENTATION AS TO PERFORMANCE, AND ANY REMEDY FOR BREACH OF CONTRACT TORT OR ANY OTHER LEGAL THEORY WHICH, BUT FOR THIS PROVISION, MIGHT ARISE BY IMPLICATION, OPERATION OF LAW, CUSTOM OF TRADE OR COURSE OF DEALING, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR PARTICULAR PURPOSE, WITH RESPECT TO ANY AND ALL EQUIPMENT FURNISHED BY MILLER IS EXCLUDED AND DISCLAIMED BY MILLER.

Some states in the U.S.A. do not allow limitations of how long an implied warranty lasts, or the exclusion of incidental, indirect, special or consequential damages, so the above limitation or exclusion may not apply to you. This warranty provides specific legal rights, and other rights may be available, but may vary from state to state.

In Canada, legislation in some provinces provides for certain additional warranties or remedies other than as stated herein, and to the extent that they may not be waived, the limitations and exclusions set out above may not apply. This Limited Warranty provides specific legal rights, and other rights may be available, but may vary from province to province.

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Contents OM-402B ProcessesDescription From Miller to You Metro 250D Table of ContentsPage Safety Precautions − Read Before Using Symbol UsageArc Welding Hazards Engine Hazards Engine Heat can cause fire Battery Explosion can BlindMoving Parts can cause injury Engine Exhaust Gases can killARC Welding can cause interference Principal Safety StandardsEMF Information Radiation can cause interferenceLES Fumées ET LES GAZ peuvent être dangereux Signification des symbolesConsignes de sécurité − lire avant utilisation UN Choc Électrique peut tuerLE Bruit peut affecter l’ouïe LE Soudage peut provoquer un in- cendie ou une explosionDES Particules Volantes peuvent blesser les yeux DES Pièces Chaudes peuvent provoquer des brûlures gravesLA Chute DE L’APPAREIL peut blesser DES Organes Mobiles peuvent provoquer des blessures’EXPLOSION DE LA Batterie peut LA Chaleur DU Moteur peut pro- voquer un incendieUNE Remorque QUI Bascule peut entraîner des blessures Principales normes de sécuritéInformation sur les champs électromagnétiques Électrostatiques peuvent endommager les circuits imprimésDefinitions Symbols and DefinitionsGeneral Precautionary Label Fan and Moving Parts Label Battery Charging LabelDiesel Fuel Label Hot Muffler LabelFalling Equipment Label Activation Tag− 50 h Std Manufacturer’s Rating Label Do Not Use Ether LabelVolt-Ampere Curve SpecificationsWeld, Power, and Engine Specifications Dimensions, Weights, and Operating AnglesDuty Cycle and Overheating Fuel ConsumptionLocation Grounding InstallationAC Auxiliary Power Curve Installing Welding GeneratorConnect negative − cable last Connecting Battery and Installing Exhaust PipeEngine Prestart Checks Stop engine10 − 60% 60 − 100% Duty 10 − 100% Duty Cycle Connecting to Weld Output TerminalsSelecting Weld Cable Sizes 100 ft 30 m or LessRemote 14 Receptacle RC1 Information Ref. ST-158Socket Information Plug Using Idle Lock SwitchOperating the Welding Generator Front Panel ControlsRemote Amperage and Contactor Control Operating Auxiliary Equipment Auxiliary Power ReceptaclesMaintenance & Troubleshooting 100 Hrs Maintenance Changing Engine Oil and Oil Filter Changing Fuel Filters Servicing Air CleanerTo Clean air filter Do not clean housing with air hoseAdjusting Engine Speed Idle Speed AdjustmentWeld/Power Speed Adjustment Engine Control Circuit Weld And Auxiliary Power CircuitsRemote Control Circuit Overload ProtectionTrouble Remedy Welding TroubleshootingStop engine and let cool. Reinstall cleanout plug Servicing Optional Spark ArrestorEngine Troubleshooting Auxiliary Power TroubleshootingUle OM-402 Circuit Diagram for Welding Generator Electrical DiagramSC-181 Run-In Procedure WetstackingHeavy loading during first Load Bank Run-In Procedure Using 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 Farm/Home Equipment Rating Starting Watts Running Watts Approximate Power Requirements for Industrial MotorsApproximate Power Requirements for Farm/Home Equipment Industrial Motors Rating Starting Watts Running WattsContractor Rating Starting Watts Running Watts Approximate Power Requirements for Contractor EquipmentKVA/HP x HP x 1000 = Starting Amperage Volts Power Required to Start MotorHow Much Power Can Generator Supply? Single-Phase Induction Motor Starting RequirementsTypical Connections to Supply Standby Power Current Load Watts Amperes Selecting Extension Cord Use Shortest Cord PossibleMain Assembly Parts ListST-801 488-A PC6 11.1CB9 Panel, Front w/Components .1 Item CB5 11.2Generator .1 Item Diode Board Control Box w/Components .1 ItemOM-402 Page OM-402 Page Metro 250D Options and AccessoriesCall Miller for your local Miller distributor Miller Electric Mfg. Co Owner’s Record