Generac 004373-1, 004626-0 owner manual Power SYSTEMS, INC

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®

POWER SYSTEMS, INC.

Owner’s Manual

*This Manual Should Remain With The Unit*

Liquid-cooled, Prepackaged Standby Generators

Models:

004373-1 (40 kW/Single-phase w/ 200 Amp Transfer Switch)

004626-0 (40 kW/Single-phase w/ 200 Amp Transfer Switch California Emissions)

®

POWER SYSTEMS, INC.

®

ONLY QUALIFIED ELECTRICIANS OR CONTRACTORS

SHOULD ATTEMPT INSTALLATION!!

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Contents Power SYSTEMS, INC Authorized Dealer Location IntroductionInstallation Safety Rules General InformationMaintenance Section Installation Drawings 56-57 Warranty Back CoverGeneral Hazards Electrical Hazards Generator UNPACKING/INSPECTIONGenerator AC Connection Systems Automatic System OperationMain Circuit Breaker SpecificationsEngine Protective Devices Generator and Load Compatibility Fuel Requirements RecommendationsEngine Conversion to LP GAS VaporEmissions Control System CoolantAIR Fuel Ratio Controller Basic Standby Electric System Standby Generator InstallationNfpa Standards Other Published StandardsGTS Type Switch Transfer Switch Start Signal ConnectionsPre-Packaged Type Switch Emergency Circuit Isolation MethodPreparation Before START-UP Battery InstallationVented Batteries Prior to Initial START-UP Using the AUTO/OFF/MANUAL Switch Manual Position OFF PositionAutomatic Transfer Operation Sequence of Automatic OperationChecking the Engine OIL Level Weekly Exercise CycleChanging the Engine AIR Cleaner Oil and Filter Change ProcedureChanging the Engine OIL and Filter Engine Oil RecommendationsSpark Plugs Battery MaintenanceCleaning the Generator Miscellaneous MaintenanceOverload Protection for Engine DC Electrical System DC FuseRemoval From Service OUT of Service ProcedureReturn To Service SYSTEM/COMPONENT Procedure Frequency Service ScheduleProblem Cause Correction Troubleshooting GuideElectrical Data Section Power Systems, Inc Generac Power Systems, Inc Electrical Data Electrical Data Electrical Data Wiring Diagram DPE RED Brush UnitsPanel Face Switch TOG Dpdt 15/10 SP Switch Rocker Dpst 125V SPDSwitch Selector 6A AMP/V Part of Control Panel Wire HarnessGenerators Screen CONTROLLER, B-C #DPG-2103Cover Plate AVR Cover Plate EgovConnector Interface Assembly Assembly Motor StepperHousing Governor Connect Cover Conn HousingAssembly Groundwire 10/3/8 BASE, Mounting ASSEMBLY, 4.3LPlug Button 3 DIA DIRECT-COUPLED4640 31 33 DC Alternator Assembly Switch OIL PressureEngine 4.3L GM Pulley TensionerExploded Views and Parts Lists Retainer Spark Plug Wires Retainer Plug WiresWires Spark Plug 4.3L Connector C/C VentAdd item #42 vinyl trim as shown Assembly Brush & Shunt FAN Assembly 390 SAE DDAssembly Scroll 390 SAE Carrier Rear BearingDuct Bottom Assembly Cover AccessShakeproof INT M6 SS Duct Front PanelBracket Coolant Recovery Tank Tank Coolant RecoveryRadiator 14 FIN/INCH Venturi 16 DIA 35KWPlate AIR Cleaner TOP Plate AIR Cleanr BottomGasket AIR Cleaner Gasket Carburetor AdaptorNPT X Mixer only Natural GASHose 1 in ID LP GAS Actuator Throttle 42MMNipple TOE 3/4 NPT X Support Solenoid NAT GASNipple Pipe 3/4NPTX4.5 BLK IRN Hose 1IN ID LP GASLUG Rngtng INS Regulator N/G R600SDECAL,INLET Pressure HEATER, Engine 1800W Hose Connection TEEHEATER, Engine 2000W HOSE, Preformed Block HeaterHold Down Battery Battery 12VDC 90-AH 27F OptionalCable Battery Black #1 X Cable Battery RED #1 X11 12 Bushing Snap SB-2.5-31 Cover Lower Connection BOXRelay Solenoid 12VDC PNL MNT Transformer 200A to 5A 5VAExploded Views and Parts Lists Muffler Catalyst 4.3L Tube Straight a GroupMounting Band A-GRP Catalyst Shield Heat Crossover 4.3LClamp Band Muffler Muffler 2-1/2 INLET/OUTLETGuardian Liquid-cooled 40 kW Generators Installation Drawings 12V Battery see Note Lifting EYE Places This Warranty Shall not Apply to the Following Warranty Schedule
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