Hobart Welding Products OM-945 194 047U Approximate Power Requirements For Industrial Motors

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12-5. Approximate Power Requirements For Industrial Motors

Industrial Motors	Rating	Starting Watts	Running Watts

Split Phase	1/8 HP	800	300
	1/6 HP	1225	500
	1/4 HP	1600	600
	1/3 HP	2100	700
	1/2 HP	3175	875
Capacitor Start-Induction Run	1/3 HP	2020	720
	1/2 HP	3075	975
	3/4 HP	4500	1400
	1 HP	6100	1600
	1-1/2 HP	8200	2200
	2 HP	10550	2850
	3 HP	15900	3900
	5 HP	23300	6800
Capacitor Start-Capacitor Run	1-1/2 HP	8100	2000
	5 HP	23300	6000
	7-1/2 HP	35000	8000
	10 HP	46700	10700
Fan Duty	1/8 HP	1000	400
	1/6 HP	1400	550
	1/4 HP	1850	650
	1/3 HP	2400	800
	1/2 HP	3500	1100

12-6. Approximate Power Requirements For Farm/Home Equipment

Farm/Home Equipment	Rating	Starting Watts	Running Watts

Stock Tank De-Icer		1000	1000
Grain Cleaner	1/4 HP	1650	650
Portable Conveyor	1/2 HP	3400	1000
Grain Elevator	3/4 HP	4400	1400
Milk Cooler		2900	1100
Milker (Vacuum Pump)	2 HP	10500	2800
FARM DUTY MOTORS	1/3 HP	1720	720
Std. (e.g. Conveyors,	1/2 HP	2575	975
Feed Augers, Air	3/4 HP	4500	1400
Compressors)	1 HP	6100	1600
	1-1/2 HP	8200	2200
	2 HP	10550	2850
	3 HP	15900	3900
	5 HP	23300	6800
High Torque (e.g. Barn	1-1/2 HP	8100	2000
Cleaners, Silo Unloaders,	5 HP	23300	6000
Silo Hoists, Bunk Feeders)	7-1/2 HP	35000	8000
	10 HP	46700	10700
3-1/2 cu. ft. Mixer	1/2 HP	3300	1000
High Pressure 1.8 Gal/Min	500 PSI	3150	950
Washer 2 gal/min	550 PSI	4500	1400
2 gal/min	700 PSI	6100	1600
Refrigerator or Freezer		3100	800
Shallow Well Pump	1/3 HP	2150	750
	1/2 HP	3100	1000
Sump Pump	1/3 HP	2100	800
	1/2 HP	3200	1050

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Contents Processes DescriptionFrom Hobart to You Table of Contents Table of Contents 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’ouïe’EXPLOSION DE LA Batterie peut DES Organes Mobiles peuvent provoquer des blessuresLA Chaleur DU Moteur peut pro- voquer un incendie ’AIR Comprimé peut provoquer des blessuresPrincipales normes de sécurité Information sur les champs électromagnétiques− Specifications Symbol DefinitionsWeld, Power, and Engine Specifications − DefinitionsDo not move or operate unit where it could tip Dimensions, Weights, and Operating AnglesGenerator Power Curve Fuel Consumption All Models Duty CycleMaterial Thickness Reference Chart Volt-Ampere Curves− Installation Installing Welding GeneratorEngine Prestart Checks Onan-Powered Units Engine Prestart Checks Kohler-Powered UnitsFuel OilActivating The Dry Charge Battery If Applicable Do not overfill battery cellsRead and follow all instruc ChargerConnecting the Battery Installing Exhaust Pipe+ − Connect negative − cable lastConnecting to Weld Output Terminals Selecting Weld Cable Sizes45 m 60 m 70 m 90 m 105 m 120 m Put terminalsAmperage Selection Table For Stick Smaw Electrodes − Operating the Welding Generator Front Panel ControlsCeptacles, use − Operating Auxiliary EquipmentStandard Receptacles Optional Generator Power Receptacles Wiring Optional 240 Volt Plug− Maintenance ONAN-POWERED Units Every 1000 h Maintenance Label Onan-Powered UnitsEvery 500 h Servicing Air Cleaner Onan-Powered Units Stop engineOverload Protection Onan-Powered Units Servicing Optional Spark Arrestor Onan-Powered UnitsStop engine. Disconnect nega- tive − battery cable Stop engine and let coolFull Tools Needed Weld/Power Speed Adjustment Adjusting Engine Speed Onan-Powered UnitsIdle Speed Adjustment Every 25 h Routine Maintenance Kohler-Powered UnitsEvery 20 h Replace unreadable labels Maintenance Label Kohler-Powered Units Servicing Air Cleaner Kohler-Powered Units Overload Protection Kohler-Powered Units Servicing Optional Spark Arrestor Kohler-Powered Units802 339-B / S-0842 Adjusting Engine Speed Kohler-Powered Units Stop engine. Reinstall wrapper− Troubleshooting TroubleshootingGenerator Power WeldingEngine − Electrical Diagram Grounding Generator To Truck Or Trailer Frame − Generator Power GuidelinesSelecting Equipment Grounding When Supplying Building Systems How Much Power Does Equipment Require?Earth ground if supplying Amperes x Volts = WattsApproximate 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 Amperes− Stick Welding Smaw Guidelines Stick Welding ProcedureWeld current starts when electrode touches work- piece Striking an Arc − Tapping Technique Electrode and Amperage Selection ChartStriking an Arc − Scratch Start Technique Positioning Electrode Holder Poor Weld Bead CharacteristicsGood Weld Bead Characteristics Conditions That Affect Weld Bead Shape Electrode Movement During WeldingTee Joint Butt JointsLap Joint Troubleshooting − Porosity Troubleshooting − Excessive SpatterWeld Test Possible Causes Corrective ActionsTroubleshooting − Excessive Penetration Troubleshooting − Incomplete FusionTroubleshooting − Lack Of Penetration Troubleshooting − Distortion Troubleshooting − Burn-ThroughTroubleshooting − Waviness Of Bead OM-945 − Parts List Main Assembly Onan Engine ShownMain Assembly Panel, Front w/Components Panel, Front w/Components -1Item Generator -1Item Service SupportContact your Distributor for Hobart Welding Products