Hobart Welding Products OM-945 manual Current Available in Amperes 240, Receptacle

Page 26

7-3. Wiring Instructions For Optional 240 Volt, Single-Phase Plug (NEMA 14-50P)

Current Available in Amperes

240 V	Each 120 V Duplex
Receptacle*	Receptacle

0	20
5	20
10	20
15	20
20	20
25	15
30	10
35	5

400

V x A = Watts

*One 240 V load or two 120 V loads.

7

3 1

4

120V

120V

240V6

2

3

4

240V

6 5

The plug can be wired for a 240 V, 2-wire load or a 120/240V, 3-wire load. See circuit diagram.

1Plug Wired for 120/240 V, 3-Wire Load

When wired for 120 V loads, each duplex receptacle shares a load with one half of 240 V receptacle.

2Plug Wired for 240 V, 2-Wire Load

3Neutral (Silver) Terminal

4Load 1 (Brass)Terminal

5Load 2 (Brass) Terminal

6Ground (Green) Terminal

7Amperes Available using 120/240 V Plug

5

Tools Needed:

	240 V AC
120 V AC	120 V AC

plug1 11/03 − 120 813-D

OM-945 Page 22

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Contents Processes DescriptionFrom Hobart to You Table of Contents Options and Accessories Warranty Symbol Usage Arc Welding HazardsEngine Hazards Compressed Air Hazards EMF Information Principal Safety StandardsCalifornia Proposition 65 Warnings Radiation can cause interferenceUN Choc Électrique peut tuer Signification des symboles− Consignes DE Sécurité − Lire Avant Utilisation LES Fumées ET LES GAZ peuvent être dangereuxDES Pièces Chaudes peuvent provoquer des brûlures graves LE Soudage peut provoquer un in- cendie ou une explosionDES Particules Volantes peuvent blesser les yeux LE Bruit peut affecter l’ouïeLE Surchauffement peut endom- mager le moteur électrique ’AIR Comprimé peut provoquer des blessures’EMPLOI Excessif peut LES Étincelles Volantes risquent de provoquer des blessuresPour les moteurs diesel LE Soudage À L’ARC risque de provoquer des interférencesPour les moteurs à essence En ce qui concerne les stimulateurs cardiaquesWeld, Power, and Engine Specifications − SpecificationsSymbol Definitions − DefinitionsDimensions, Weights, and Operating Angles Generator Power CurveFuel Consumption All Models Duty CycleMaterial Thickness Reference Chart Volt-Ampere CurvesVehicle frame. Always connect a ground wire − InstallationInstalling Welding Generator MountingFuel Engine Prestart Checks Robin-Powered UnitsEngine Prestart Checks Kohler-Powered Units OilDo not overfill battery cells Activating The Dry Charge Battery If ApplicableConnecting the Battery Connect negative −Installing Exhaust Pipe Weld Output TerminalsConnecting To Weld Output Terminals Selecting Weld Cable Sizes− Operating the Welding Generator Front Panel ControlsInfrequently Cold Weather Engine OperationAmperage Selection Table For Stick Smaw Electrodes Loaded− Operating Auxiliary Equipment Standard ReceptaclesOptional Generator Power Receptacles Gfci Receptacle OptionCurrent Available in Amperes 240 Receptacle− Maintenance ROBIN-POWERED Units Routine Maintenance Robin-Powered UnitsMaintenance Label Robin-Powered Units Servicing Air Cleaner Robin−Powered Units Stop engine. Disconnect nega- tive − battery cable Overload Protection Robin-Powered UnitsServicing Optional Spark Arrestor Robin-Powered Units Stop engine and let coolFull Tools Needed Weld/Power Speed Adjustment Adjusting Engine Speed Robin-Powered UnitsIdle Speed Adjustment − Maintenance − KOHLER-POWERED Units Routine Maintenance Kohler-Powered UnitsMaintenance Label Kohler-Powered Units Servicing Air Cleaner Kohler−Powered Units Overload Protection Kohler-Powered Units Servicing Optional Spark Arrestor Kohler-Powered Units802 339-G / S-0842 Adjusting Engine Speed Kohler-Powered Units Stop engine. Reinstall wrapperGenerator Power − TroubleshootingTroubleshooting WeldingEngine Work like a Pro − Electrical Diagram Grounding Generator To Truck Or Trailer Frame − Generator Power GuidelinesSelecting Equipment Earth ground if supplying Grounding When Supplying Building SystemsHow Much Power Does Equipment Require? Amperes x Volts = WattsIndustrial Motors Rating Starting Watts Running Watts Approximate Power Requirements For Industrial MotorsApproximate Power Requirements For Farm/Home Equipment Farm/Home Equipment Rating Starting Watts Running WattsApproximate Power Requirements For Contractor Equipment Contractor Rating Starting Watts Running WattsSingle-Phase Induction Motor Starting Requirements Power Required To Start MotorHow Much Power Can Generator Supply? 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 Weld Test Troubleshooting − PorosityTroubleshooting − Excessive Spatter Possible Causes Corrective ActionsTroubleshooting − Excessive Penetration Troubleshooting − Incomplete FusionTroubleshooting − Lack Of Penetration Troubleshooting − Distortion Troubleshooting − Burn-ThroughTroubleshooting − Waviness Of Bead − Parts List Main Assembly Robin Engine ShownMain Assembly Panel, Front w/Components Panel, Front w/Components -1Item Generator -1Item Assistance ServiceSupport Contact your Distributor for Hobart Welding Products

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