Electrical Diagram | Hobart Welding Products OM-945 specification

SECTION 11 − ELECTRICAL DIAGRAM

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Figure 11-1. Circuit Diagram For Welding Generator (Robin And Kohler-Powered Units)

OM-945 Page 38

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Hobart Welding Products OM-945 manual Electrical Diagram

Contents

Processes Description From Hobart to You Table of Contents Options and Accessories Warranty Symbol Usage Arc Welding Hazards Engine Hazards Compressed Air Hazards EMF Information Principal Safety StandardsCalifornia Proposition 65 Warnings Radiation can cause interference UN Choc Électrique peut tuer Signification des symboles− Consignes DE Sécurité − Lire Avant Utilisation LES Fumées ET LES GAZ peuvent être dangereux DES 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’ouïe LE Surchauffement peut endom- mager le moteur électrique ’AIR Comprimé peut provoquer des blessures’EMPLOI Excessif peut LES Étincelles Volantes risquent de provoquer des blessures Pour les moteurs diesel LE Soudage À L’ARC risque de provoquer des interférencesPour les moteurs à essence En ce qui concerne les stimulateurs cardiaques Weld, Power, and Engine Specifications − SpecificationsSymbol Definitions − Definitions Dimensions, Weights, and Operating Angles Generator Power Curve Fuel Consumption All Models Duty Cycle Material Thickness Reference Chart Volt-Ampere Curves Vehicle frame. Always connect a ground wire − InstallationInstalling Welding Generator Mounting Fuel Engine Prestart Checks Robin-Powered UnitsEngine Prestart Checks Kohler-Powered Units Oil Do not overfill battery cells Activating The Dry Charge Battery If ApplicableConnecting the Battery Connect negative − Installing Exhaust Pipe Weld Output Terminals Connecting To Weld Output Terminals Selecting Weld Cable Sizes − Operating the Welding Generator Front Panel Controls Infrequently Cold Weather Engine OperationAmperage Selection Table For Stick Smaw Electrodes Loaded − Operating Auxiliary Equipment Standard Receptacles Optional Generator Power Receptacles Gfci Receptacle Option Current Available in Amperes 240 Receptacle − Maintenance ROBIN-POWERED Units Routine Maintenance Robin-Powered Units Maintenance 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 cool Full Tools Needed Adjusting Engine Speed Robin-Powered Units Idle Speed AdjustmentWeld/Power Speed Adjustment − Maintenance − KOHLER-POWERED Units Routine Maintenance Kohler-Powered Units Maintenance Label Kohler-Powered Units Servicing Air Cleaner Kohler−Powered Units Overload Protection Kohler-Powered Units Servicing Optional Spark Arrestor Kohler-Powered Units 802 339-G / S-0842 Adjusting Engine Speed Kohler-Powered Units Stop engine. Reinstall wrapper Generator Power − TroubleshootingTroubleshooting Welding Engine Work like a Pro − Electrical Diagram − Generator Power Guidelines Selecting EquipmentGrounding Generator To Truck Or Trailer Frame Earth ground if supplying Grounding When Supplying Building SystemsHow Much Power Does Equipment Require? Amperes x Volts = Watts Industrial 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 Watts Approximate Power Requirements For Contractor Equipment Contractor Rating Starting Watts Running Watts Single-Phase Induction Motor Starting Requirements Power Required To Start MotorHow Much Power Can Generator Supply? KVA/HP x HP x 1000 = Starting Amperage Typical Connections To Supply Standby Power Selecting Extension Cord Use Shortest Cord Possible Current Load Watts Amperes Stick Welding Procedure Weld current starts when electrode touches work- piece− Stick Welding Smaw Guidelines Electrode and Amperage Selection Chart Striking an Arc − Scratch Start TechniqueStriking an Arc − Tapping Technique Poor Weld Bead Characteristics Good Weld Bead CharacteristicsPositioning Electrode Holder Conditions That Affect Weld Bead Shape Electrode Movement During Welding Butt Joints Lap JointTee Joint Weld Test Troubleshooting − PorosityTroubleshooting − Excessive Spatter Possible Causes Corrective Actions Troubleshooting − Incomplete Fusion Troubleshooting − Lack Of PenetrationTroubleshooting − Excessive Penetration Troubleshooting − Burn-Through Troubleshooting − Waviness Of BeadTroubleshooting − Distortion − Parts List Main Assembly Robin Engine Shown Main Assembly Panel, Front w/Components Panel, Front w/Components -1Item Generator -1Item Service SupportAssistance Contact your Distributor for Hobart Welding Products