Generac Power Systems 009600-5, 009734-5 Optional Remote START/STOP Panel, Automatic Choke

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Section 2 – Operation

PRIMEPACT 66G and 66LP Recreational Vehicle Generators

NOTE:

◆ 2.3.2 PRECHOKE

If this generator has been reconnected for dual voltage AC output (120/240 volts), you can install line breakers having an amperage rating that is different than that stated above. The replacement line breakers consist of two separate breakers with a connecting piece between the breaker handles (so that both breakers will operate at the same time). If the unit is reconnected for dual voltage, it is no longer RVIA listed.

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.

2.2OPTIONAL REMOTE

START/STOP PANEL

A remote mounted Start/Stop Panel (Figure 2.2) is available that allows you to start and stop the gener- ator engine conveniently from inside the vehicle. The remote panel includes a Start/Stop switch, hourme- ter, generator run lamp and a wire harness.

Figure 2.2 — Optional Remote Panel

(Models 004057 and 004184)

2.3AUTOMATIC CHOKE

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

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

1.6.3(Page 6) and Sections 3.1 and 3.2 (Page 11) for oil servicing 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.

◆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.

◆2.4.3 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.

8 Generac® Power Systems, Inc.

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Contents Power SYSTEMS, INC Authorized Service Dealer Location IntroductionTable of Contents General Hazards Electrical Hazards Generator Identification Reference Number IdentificationGenerator Applicability InstallationSafety Generator AC Connection SystemFuel Requirements SpecificationsFuel Consumption gph/lbs.ph Engine OIL RequirementsGenerator Control Panel Automatic Choke Optional Remote START/STOP PanelBefore Starting the Engine Engine Exhaust GAS Stopping the GeneratorStarting the Generator Letting the Engine StabilizeProtection Systems High Temperature SwitchLOW OIL Pressure Switch Field Boost6 25-HOUR CHECK-UP Checking the Engine OIL LevelOvervoltage Protection 5 25-HOUR BREAK-IN PeriodCleaning the Foam Precleaner Maintaining the Engine AIR CleanerChanging the Engine OIL AND/OR OIL Filter Checking the Engine Spark Plug Clean AIR Intake ScreenSpark Arrestor Muffler Weekly Cleaning the GeneratorBattery Maintenance Every SIX MonthsExercising the Generator OUT of Service ProcedureDrive Belt Wattage Reference GuidePrimepact 66G and 66LP Recreational Vehicle Generators Part General Hazards Electrical Hazards Equipment Description Purpose and Scope Installation InstructionsStandards Booklets Generator Engine Operating SpeedMajor Features and Dimensions Generator Location Location and SupportGenerator Support Suspended MountingCompartment Construction Generator CompartmentsGenerator Restraint Compartment SizeSound Insulating Materials AcousticsCompartment Floor Cutout Cooling AIR Inlet Openings Cooling and Ventilating AIRCompartment Floor Cutouts Generator AirflowGasoline Fuel System Testing the InstallationCompensating for Restrictions Generator Fuel Supply Line LP GAS Fuel SystemParts not Included in Fuel System Vapor Withdrawal Primary RegulatorSome Important Considerations Gaseous CarburetionExcess Flow Valve Exhaust SystemFuel Supply Lines Leakage TestsElectrical Connections Exhaust System SafetyWiring Type of Exhaust SystemBattery Installation Battery Cables 18 Transfer Switch Isolation MethodBattery Compartment Optional AccessoriesBattery Cable Connections Remote Panel ModelsBefore Initial START-UP Post Installation TestsTesting Under Load Initial StartInstallation Checklist Troubleshooting Guide Problem Cause CorrectionGenerac Power Systems, Inc Electrical Data Exploded Views and Parts Lists QTY Description To Engine BASE, Mounting To Engine BASE, Mounting To Engine Ground Item Part NO. QTY. Description Exploded Views and Parts Lists QTY Description Exploded Views and Parts Lists Carburetor Assemby CARB. V-TWIN L/P Primepact 66G and 66LP Recreational Vehicle Generators Primepact 66G and 66LP Recreational Vehicle Generators Primepact 66G and 66LP Recreational Vehicle Generators 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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