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OM-4433 Page 45

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Contents

Processes OM-4433218 314KDescription File Engine Drive From Miller to You Table of Contents Warranty Arc Welding Hazards Symbol Usage Engine Hazards Compressed Air Hazards California Proposition 65 Warnings Principal Safety StandardsEMF Information Radiation can cause interference − Consignes DE Sécurité − Lire Avant Utilisation Signification des symbolesUN Choc Électrique peut tuer LES Fumées ET LES GAZ peuvent être dangereux DES Particules Volantes peuvent blesser les yeux LE Soudage peut provoquer un in- cendie ou une explosionDES Pièces Chaudes peuvent provoquer des brûlures graves LE Bruit peut affecter l’ouïe ’AIR Comprimé peut provoquer des blessures LA Chaleur DU Moteur peut pro- voquer un incendie’EMPLOI Excessif peut LE Surchauffement peut endom- mager le moteur électrique Pour les moteurs à essence LE Soudage À L’ARC risque de provoquer des interférencesPour les moteurs diesel Boulevard, Rexdale, Ontario, Canada M9W 1R3 téléphone − 50 h Std − DefinitionsStd Manufacturer’s Rating Label Symbols And Definitions Weld, Power, And Engine Specifications − SpecificationsDimensions, Weights, And Operating Angles MIG Mode Stick ModeTIG Mode Volt-Ampere Curves Exceeding duty cycle can damage unit and void warranty Curve shows typical fuel use under weld or power loadsFuel Consumption Duty Cycle And Overheating 150 125 100 AC Generator Power Curve Installing Welding Generator − InstallationSee -2for lifting eye rating See -2for mounting information Grounding Mounting Welding Generator Tools Needed 1/2 Installing Exhaust PipeStop engine and let cool Point exhaust pipe in desired di Connecting The Battery Activating The Dry Charge Battery If ApplicableDo not overfill battery cells Close door after connecting battery Engine Prestart Checks Coolant Recovery TankFuel Do not use gasoline. Gasoline will damage engine Oil Stick and TIG Welding Connecting To Weld Output TerminalsMIG and Fcaw Welding Stop engine 150 ft 200 ft 250 ft Selecting Weld Cable Sizes350 ft 400 ft 45 m 60 m 70 m 90 m 105 m 120 m Stop engine before Socket Information Connecting To Remote 14 Receptacle RC14 Front Panel Controls See Section − Operating Welding Generator Description Of Front Panel Controls See Section Process/Contactor Switch Settings Process/Contactor Switch Lift-Arc Start Method Touch Lift-ArcStart ProcedureDo not Strike Like a Match Lift-Arc t TIG Remote Voltage/Amperage Control − Operating Auxiliary Equipment Generator Power ReceptaclesAt least once a month, run engine at Routine Maintenance − Maintenance & Troubleshooting Maintenance Label By the warranty Servicing Air CleanerTo clean air filter Do not clean housing with air hose Stop engine and let cool. Reinstall cleanout plug Inspecting And Cleaning Optional Spark Arrestor MufflerServicing Engine Cooling System Maximum Adjusting Engine Speed On Standard ModelsDo not set engine speed higher Stop engine. Close door Weld/Power Speed Adjust- ment Engine Speed AdjustmentEngine Speed No Load Rpm max 62.6 Hz 1250 rpm 41.6 Hz To change oil and filter Servicing Fuel And Lubrication SystemsTo replace primary canister fuel filter To drain water from fuel system Overload Protection Replace Damaged Brushes Checking Generator Brushes Help 20 Display Voltmeter/Ammeter Help DisplaysHelp 25 Display Welding Troubleshooting Engine Generator Power Check for obstructed throttle solenoid Material Thickness Reference Chart Circuit Diagram For Welding Generator − Electrical Diagrams 219 228−D Wetstacking − RUN-IN ProcedureWelding Generator Procedure at less than Run-In Procedure Using Load BankStop engine Do not touch hot exhaust From flammables Do not Perform Bank/grid Run-In Procedure Using Resistance GridFrom flammables Do not perform run-in Has this symbol − Generator Power GuidelinesSelecting Equipment Grounding Generator To Truck Or Trailer Frame How Much Power Does Equipment Require? Grounding When Supplying Building SystemsEarth ground if supplying Use ground device as stated Electrical codes Approximate Power Requirements For Farm/Home Equipment Approximate Power Requirements For Industrial MotorsIndustrial Motors Rating Starting Watts Running Watts Farm/Home Equipment Rating Starting Watts Running Watts Contractor Rating Starting Watts Running Watts Approximate Power Requirements For Contractor Equipment How Much Power Can Generator Supply? Power Required To Start MotorSingle-Phase Induction Motor Starting Requirements KVA/HP x HP x 1000 = Starting Amperage Typical Connections To Supply Standby Power Current Load Watts Amperes Selecting Extension Cord Use Shortest Cord Possible 109 − Parts List108 -2 107 101 102 103 100 104 106 105 81 Fig 7372 71 67 66 65 PC3 Dia Part Description Quantity Mkgs Batt Panel, Front w/Components -1Item Panel, Front w/Components FUEL/HM Control Panel Generator Rectifier Assembly Wiring Harnesses Your distributor also gives ServiceSupport Miller Electric Mfg. Co To locate a Distributor or Service Agency visitFor assistance in filing or settling claims, contact Your distributor and/or equipment manufacturer’s

Miller Electric 300 P manual 219 228−D

Models: 300 P

219 228−D