Miller Electric 300 P manual Generator

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.Hardware is common and not available unless listed.

Wirng harnesses are listed at the end of parts section.

	5
4	6
3	7
3

1

2

10

11

12 13

8 9

					14
		20	19	18
			19	18
				17 16	15	803 686-A
						803 686-A

					Figure 12-4. Generator
Item		Dia.		Part	Description	Quantity
	No.	Mkgs.		No.	Description	Quantity
					Figure 12-4. Generator (Figure 12-1Item 81)

. . . 1 . . . ROTOR .			. . 212474 .		. Rotor, Generator 4 Pole (Includes)	. . . 1
. . .	2 . . .	. . . . . . . . .	. . 053390 .		. . . Bearing, Ball Rdl Sgl Row 1.370 X 2.830 X .6	. . . 1
. . .	3 . . .	. . . . . . . . .	. . 192600 .		. . . Fan, Generator	. . . 1
. . .	4 . . .	. . . . . . . . .	. . 159918 .		. Baffle, Fan	. . . 1
. . .	5 . . .	. . . . . . . . .	. . 212126 .		. Adapter, Engine Machined	. . . 1
. . .	6 . . .	. . . . . . . . .	. .	602211 .	. Washer, Lock .318idx0.586odx.078t Stl Pld Split.312	. . . 6
. . .	7 . . .	. . . . . . . . .	. . 192686 .		. Screw, M 8−1.25x 25 Hex Hd−pln 8.8 Pld Din933	. . . 6
. . .	8 . . .	. . . . . . . . .	. .	602211 .	. Washer, Lock .318idx0.586odx.078t Stl Pld Split.312	. . . 6
. . .	9 . . .	. . . . . . . . .	. . 192686 .		. Screw, M 8−1.25x 25 Hex Hd−pln 8.8 Pld Din933	. . . 6
. . . 10 . . .		. . . . . . . . .	. . 212641 .		. Stud, Stl .375−16 1.625x 19.000	. . . 4
. . . 11 . .		STATOR	. . 212470 .		. Stator, Generator 4 Pole	. . . 1
. . . 12 . . .		. . . . . . . . .	. . 160943 .		. Endbell	. . . 1
. . . 13 . . .		. . . . . . . . .	. . 167788 .		. Nut, 375−16 .56hex .34h Stl Pld Sem Cone Wshr.88d	. . . 4
. . . 14 . . .		. . . . . . . . .	. . 218552 .		. Brush, Assembly 2 Pole (Includes)	. . . 1
. . . 15 . . .		. . . . . . . . .	. . 047879 .		. . . Bar, Retaining Brushholder 2 Brushes	. . . 1
. . . 16 . . .		. . . . . . . . .	. . 161306 .		. . . Cap, Brushholder	. . . 2
. . . 17 . . .		. . . . . . . . .	. . 126984 .		. . . Brush w/Spring	. . . 2
. . . 18 . . .		. . . . . . . . .	. . 005614 .		. . . Holder, Brush	. . . 2
. . . 19 . . .		. . . . . . . . .	. . 125548 .		. . . Holder, Brush Elect	. . . 1
. . . 20 . . .		. . . . . . . . .	. . 158832 .		. Screw, 010−32x .50 Hex Hd−slt Stl Pld Sq Cone Sems	. . . 2

+When ordering a component originally displaying a precautionary label, the label should also be ordered. *Recommended Spare Parts.

♦Optional

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.

OM-4433 Page 64

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Contents OM-4433218 314K ProcessesDescription File Engine DriveFrom Miller to You Table of Contents Warranty Symbol Usage Arc Welding HazardsEngine Hazards Compressed Air Hazards Principal Safety Standards California Proposition 65 WarningsEMF Information Radiation can cause interferenceSignification des symboles − Consignes DE Sécurité − Lire Avant UtilisationUN Choc Électrique peut tuer LES Fumées ET LES GAZ peuvent être dangereuxLE Soudage peut provoquer un in- cendie ou une explosion DES Particules Volantes peuvent blesser les yeuxDES Pièces Chaudes peuvent provoquer des brûlures graves LE Bruit peut affecter l’ouïeLA Chaleur DU Moteur peut pro- voquer un incendie ’AIR Comprimé peut provoquer des blessures’EMPLOI Excessif peut LE Surchauffement peut endom- mager le moteur électriqueLE Soudage À L’ARC risque de provoquer des interférences Pour les moteurs à essencePour 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 Stick Mode MIG ModeTIG Mode Volt-Ampere CurvesCurve shows typical fuel use under weld or power loads Exceeding duty cycle can damage unit and void warrantyFuel Consumption Duty Cycle And OverheatingAC Generator Power Curve 150 125 100− Installation Installing Welding GeneratorSee -2for lifting eye rating See -2for mounting information GroundingMounting Welding Generator Installing Exhaust Pipe Tools Needed 1/2Stop engine and let cool Point exhaust pipe in desired diActivating The Dry Charge Battery If Applicable Connecting The BatteryDo not overfill battery cells Close door after connecting batteryCoolant Recovery Tank Engine Prestart ChecksFuel Do not use gasoline. Gasoline will damage engine OilConnecting To Weld Output Terminals Stick and TIG WeldingMIG and Fcaw Welding Stop engineSelecting Weld Cable Sizes 150 ft 200 ft 250 ft350 ft 400 ft 45 m 60 m 70 m 90 m 105 m 120 m Stop engine beforeConnecting To Remote 14 Receptacle RC14 Socket Information− Operating Welding Generator Front Panel Controls See SectionDescription Of Front Panel Controls See Section Process/Contactor Switch Process/Contactor Switch SettingsLift-ArcStart Procedure Lift-Arc Start Method TouchDo 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 − Maintenance & Troubleshooting Routine MaintenanceMaintenance Label Servicing Air Cleaner By the warrantyTo 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 Adjusting Engine Speed On Standard Models MaximumDo not set engine speed higher Stop engine. Close doorEngine Speed Adjustment Weld/Power Speed Adjust- mentEngine Speed No Load Rpm max 62.6 Hz 1250 rpm 41.6 HzServicing Fuel And Lubrication Systems To change oil and filterTo replace primary canister fuel filter To drain water from fuel systemOverload Protection Checking Generator Brushes Replace Damaged BrushesHelp 25 Display Voltmeter/Ammeter Help DisplaysHelp 20 Display Troubleshooting WeldingGenerator Power EngineCheck for obstructed throttle solenoid Material Thickness Reference Chart − Electrical Diagrams Circuit Diagram For Welding Generator219 228−D Welding Generator − RUN-IN ProcedureWetstacking Run-In Procedure Using Load Bank Procedure at less thanStop engine Do not touch hot exhaust From flammables Do not PerformRun-In Procedure Using Resistance Grid Bank/gridFrom flammables Do not perform run-in− Generator Power Guidelines Has this symbolSelecting Equipment Grounding Generator To Truck Or Trailer FrameGrounding When Supplying Building Systems How Much Power Does Equipment Require?Earth ground if supplying Use ground device as stated Electrical codesApproximate Power Requirements For Industrial Motors Approximate Power Requirements For Farm/Home EquipmentIndustrial Motors Rating Starting Watts Running Watts Farm/Home Equipment Rating Starting Watts Running WattsApproximate Power Requirements For Contractor Equipment Contractor Rating Starting Watts Running WattsPower Required To Start Motor How Much Power Can Generator Supply?Single-Phase Induction Motor Starting Requirements KVA/HP x HP x 1000 = Starting AmperageTypical Connections To Supply Standby Power Selecting Extension Cord Use Shortest Cord Possible Current Load Watts Amperes108 -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 Panel, Front w/Components -1ItemFUEL/HM Control Panel Generator Rectifier Assembly Wiring Harnesses Support ServiceYour distributor also gives To locate a Distributor or Service Agency visit Miller Electric Mfg. CoFor assistance in filing or settling claims, contact Your distributor and/or equipment manufacturer’s