Miller Electric 300 P manual Generator Power Guidelines, Selecting Equipment, Has this symbol

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SECTION 11 − GENERATOR POWER GUIDELINES

NOTE

The views in this section are intended to be representative of all engine-driven welding generators. Your unit may differ from those shown.

11-1. Selecting Equipment

1 Generator Power Receptacles

− Neutral Bonded To Frame

2 3-Prong Plug From Case

Grounded Equipment

3 2-Prong Plug From Double

Insulated Equipment

Y Do not use 2-prong plug un- less equipment is double in- sulated.

1

2

		3
	OR	Be sure equipment
	OR	has this symbol
		has this symbol
		and/or wording.

gen_pwr 11/02 − Ref. ST-159 730 / ST-800 577

11-2. Grounding Generator To Truck Or Trailer Frame

1

GND/PE2

3

Electrically bond generator frame to vehicle frame by metal-to-metal contact.

YBed liners, shipping skids, and some running gear insulate the welding generator from the ve- hicle frame. Always connect a ground wire from the generator equipment grounding terminal to bare metal on the vehicle frame as shown.

YAlways ground generator frame to vehicle frame to pre- vent electric shock and static electricity hazards.

1Equipment Grounding Terminal (On Front Panel)

2Grounding Cable (Not Supplied)

3Metal Vehicle Frame

Connect cable from equipment ground terminal to metal vehicle frame. Use #10 AWG or larger insulated copper wire.

YIf unit does not have GFCI re- ceptacles, use GFCI-pro- tected extension cord.

S-0854

OM-4433 Page 49

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Contents Processes OM-4433218 314KDescription File Engine DriveFrom Miller to You Table of Contents Warranty Arc Welding Hazards Symbol UsageEngine 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 dangereuxDES 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 électriquePour les moteurs à essence LE Soudage À L’ARC risque de provoquer des interférencesPour les moteurs diesel Boulevard, Rexdale, Ontario, Canada M9W 1R3 téléphoneStd − Definitions− 50 h Std Manufacturer’s Rating Label Symbols And Definitions Dimensions, Weights, And Operating Angles − SpecificationsWeld, Power, And Engine Specifications MIG Mode Stick ModeTIG Mode Volt-Ampere CurvesExceeding duty cycle can damage unit and void warranty Curve shows typical fuel use under weld or power loadsFuel Consumption Duty Cycle And Overheating150 125 100 AC Generator Power CurveInstalling Welding Generator − InstallationSee -2for lifting eye rating See -2for mounting information GroundingMounting Welding Generator Tools Needed 1/2 Installing Exhaust PipeStop engine and let cool Point exhaust pipe in desired diConnecting The Battery Activating The Dry Charge Battery If ApplicableDo not overfill battery cells Close door after connecting batteryEngine Prestart Checks Coolant Recovery TankFuel Do not use gasoline. Gasoline will damage engine OilStick and TIG Welding Connecting To Weld Output TerminalsMIG and Fcaw Welding Stop engine150 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 beforeSocket Information Connecting To Remote 14 Receptacle RC14Front Panel Controls See Section − Operating Welding GeneratorDescription Of Front Panel Controls See Section Process/Contactor Switch Settings Process/Contactor SwitchLift-Arc Start Method Touch Lift-ArcStart ProcedureDo not Strike Like a Match Lift-Arc t TIGRemote Voltage/Amperage Control At least once a month, run engine at Generator Power Receptacles− Operating Auxiliary Equipment Routine Maintenance − Maintenance & TroubleshootingMaintenance Label By the warranty Servicing Air CleanerTo clean air filter Do not clean housing with air hoseServicing Engine Cooling System Inspecting And Cleaning Optional Spark Arrestor MufflerStop engine and let cool. Reinstall cleanout plug Maximum Adjusting Engine Speed On Standard ModelsDo not set engine speed higher Stop engine. Close doorWeld/Power Speed Adjust- ment Engine Speed AdjustmentEngine Speed No Load Rpm max 62.6 Hz 1250 rpm 41.6 HzTo change oil and filter Servicing Fuel And Lubrication SystemsTo replace primary canister fuel filter To drain water from fuel systemOverload Protection Replace Damaged Brushes Checking Generator BrushesHelp 25 Display Voltmeter/Ammeter Help DisplaysHelp 20 Display Welding TroubleshootingEngine Generator PowerCheck for obstructed throttle solenoid Material Thickness Reference Chart Circuit Diagram For Welding Generator − Electrical Diagrams219 228−D Welding Generator − RUN-IN ProcedureWetstacking Procedure at less than Run-In Procedure Using Load BankStop engine Do not touch hot exhaust From flammables Do not PerformBank/grid Run-In Procedure Using Resistance GridFrom flammables Do not perform run-inHas this symbol − Generator Power GuidelinesSelecting Equipment Grounding Generator To Truck Or Trailer FrameHow Much Power Does Equipment Require? Grounding When Supplying Building SystemsEarth ground if supplying Use ground device as stated Electrical codesApproximate 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 WattsContractor Rating Starting Watts Running Watts Approximate Power Requirements For Contractor EquipmentHow Much Power Can Generator Supply? Power Required To Start MotorSingle-Phase Induction Motor Starting Requirements KVA/HP x HP x 1000 = Starting AmperageTypical Connections To Supply Standby Power Current Load Watts Amperes Selecting Extension Cord Use Shortest Cord Possible108 -2 107 101 102 103 100 104 106 105 − Parts List109 81 Fig 7372 71 67 66 65 PC3 Dia Part Description Quantity Mkgs Batt Panel, Front w/Components -1Item Panel, Front w/ComponentsFUEL/HM Control Panel Generator Rectifier Assembly Wiring Harnesses Support ServiceYour distributor also gives 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