Generac 02010-0, 04164-0 owner manual Automatic Choke Gasoline only, Before Starting the Engine

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Section 2 – Operation

PRIMEPACT 50 Recreational Vehicle Generator

2.3AUTOMATIC CHOKE (GASOLINE ONLY)

The engine is equipped with an automatic choke that consists of two main components: a choke solenoid and prechoke.

◆2.3.1 CHOKE SOLENOID

During engine cranking (Start/Stop switch at START), a solid-state choke module signals the choke solenoid to activate and cycle (choke on/choke off) until the engine starts. The choke solenoid thus opens and closes the carburetor choke valve only when the engine is cranking. When the engine starts, the choke stops cycling.

◆2.3.2 PRECHOKE

The choke system also has a temperature-sensitive metal strip that adjusts choke valve angle according to ambient temperatures (i.e., in cold ambient tem- peratures, choke valve closes more). Once the engine starts, an element heats the temperature-sensitive strip to a normal operating condition, opening the choke valve. This may take about three minutes in cooler weather.

2.4BEFORE STARTING THE ENGINE

NOTE:

Instructions and information in this manual assume the generator has been properly installed, connected, serviced, tested and adjusted by a qualified installation technician or installation contractor.

◆2.4.1 INSTALLATION

Generator installation must have been properly com- pleted so it complies with all applicable codes, stan- dards and regulations and with the manufacturer's recommendations.

◆2.4.2 ENGINE LUBRICATION

Have the engine crankcase properly serviced with the recommended oil before starting. Refer to Section 1.5.4 (Page 6) and Sections 3.1 and 3.2 (Page 12) for oil ser- vicing procedures and recommendations.

Any attempt to crank or start the engine before

!you have properly serviced it with the recom- mended oil may result in an engine failure.

8 Generac® Power Systems, Inc.

◆2.4.3 FUEL SUPPLY

The engine must have an adequate supply of proper fuel to operate. Before starting it, check that sufficient fuel is available.

NOTE:

Depending on the installation, the generator may have either a separate fuel tank, or it may “share” the vehicle engine’s fuel tank.

◆2.4.4 COOLING AND VENTILATING AIR

Air inlet and outlet openings in the generator com- partment must be open and unobstructed for contin- ued proper operation. Without sufficient cooling and ventilating airflow, the engine/generator quickly over- heats, which causes it to shut down and may damage the generator.

◆2.4.5 ENGINE EXHAUST GAS

Before starting the generator engine, you should be sure there is no way for exhaust gases to enter the vehicle interior and endanger people or animals. Close windows, doors and other openings in the vehi- cle that, if open, might permit exhaust gases to enter the vehicle.

DANGER

The generator engine gives off DEADLY carbon

!monoxide gas through its exhaust system. This dangerous gas, if breathed in sufficient concentra- tions, can cause unconsciousness or even death. Never operate the generator set with the vehicle inside any garage or other enclosed area. DO NOT OPERATE THE GENERATOR IF THE EXHAUST SYS- TEM IS LEAKING OR HAS BEEN DAMAGED. SYMP- TOMS OF CARBON MONOXIDE POISONING ARE

(a) inability to think coherently; (b) vomiting; (c) twitching muscles; (d) throbbing temples; (e) dizzi- ness; (f) headaches; (g) weakness; and (h) sleepi- ness. IF YOU FEEL ANY OF THESE SYMPTOMS, MOVE INTO FRESH AIR IMMEDIATELY. IF SYMP- TOMS PERSIST, GET MEDICAL HELP.

2.5STARTING THE GENERATOR

NOTE:

Read the vehicle manufacturer’s instructions. The owner/operator should become familiar with the vehicle in which this generator is installed. Differences exist between vehicles. For example, some vehicles may use a transfer switch to isolate dockside power from the generator, while other vehicles may use an isolating receptacle. Some vehicles may be equipped with a DC converter, which allows the generator to power certain DC lighting and other DC loads.

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Contents Power SYSTEMS, INC Authorized Service Dealer Location IntroductionPart II Installation Instructions Table of ContentsGeneral Hazards Electrical Hazards Primepact Generator IdentificationModel Primepact 50LPGenerator Applicability SafetySpecifications Generator AC Connection SystemEngine OIL Requirements Optional Propane Fuel SystemFuel Consumption EngineOptional Remote START/STOP Panel START/STOP SwitchGenerator Control Panel Fuel PrimerBefore Starting the Engine Automatic Choke Gasoline onlyStarting the Generator SUMMER/WINTER Heat Riser System Stopping the GeneratorLetting the Engine Stabilize Protection Systems LOW OIL Pressure SwitchHigh Temperature Switch Do not Overload the GeneratorAdditional Information Checking the Engine OIL Level Changing the Engine OIL AND/OR OIL FilterCleaning the Foam Precleaner Maintaining the Engine AIR CleanerClean AIR Intake Checking the Engine Spark PlugSpark Arrestor Muffler Cleaning the GeneratorBattery Maintenance WeeklyDrive Belt Exercising the GeneratorRemoval from Service OUT of Service ProcedureReturn to Service Part General Hazards Electrical Hazards Equipment Description Purpose and Scope ManualStandards Booklets Generator Engine Operating SpeedMajor Features and Dimensions Generator Support Location and SupportGenerator Location Suspended MountingCompartment Construction Generator CompartmentsGenerator Restraint Compartment SizeAcoustics Sound Insulating MaterialsTypical Noise Abatement 2.2.5 Compartment Floor Cutouts Generator Airflow Cooling and Ventilating AIRCooling AIR Inlet Openings Gasoline Fuel System Testing the InstallationCompensating for Restrictions Generator Fuel Supply Line LP GAS Fuel SystemFuel Tank Rigid Fuel LinesVapor Withdrawal Primary RegulatorSome Important Considerations Gaseous CarburetionExcess Flow Valve Exhaust SystemFuel Supply Lines Leakage TestsMufflers and Spark Arrestors Exhaust System SafetyElectrical Connections Type of Exhaust SystemGenerator AC Connections WiringIsolating Different Power Sources ConduitPower Supply Cord Ground Fault Circuit InterruptersBattery Cables Optional AccessoriesRecommended Battery Battery Cable ConnectionsRemote Panel Models Remote Panel CablesBefore Initial START-UP Post Installation TestsTesting Under Load Initial StartInstallation Checklist Appendix 1 Notes Troubleshooting Guide Problem Cause CorrectionAppendix 3 Electrical Data Appendix 3 Electrical Data Appendix 4 Exploded Views and Parts Lists QTY. Description Appendix 4 Exploded Views and Parts Lists REGULATOR, GAS Fuel Appendix 4 Exploded Views and Parts Lists Lower Bearing Carrier Appendix 4 Exploded Views and Parts Lists Item Part no QTY. Description Appendix 4 Exploded Views and Parts Lists Piston Ring SET Appendix 4 Exploded Views and Parts Lists MANIFOLD, Intake Appendix 4 Exploded Views and Parts Lists BOLT, SHOULDER, M6 X 15 LG MANUFACTURER’S Emission Control System Warranty Coverage Your Warranty Rights and ObligationsPURCHASER’S/OWNER’S Warranty Responsibilities Emission Control System Warranty Emission Related Parts Include the FollowingGenerac Power SYSTEMS, INC
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