Generac Power Systems 009600-5, 009734-5 owner manual Drive Belt, Exercising the Generator

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Section 3 – Maintenance

PRIMEPACT 66G and 66LP Recreational Vehicle Generators

3.10 MAJOR SERVICE MANUAL

To obtain a service manual for your generator, con- tact Generac or your nearest Generac Authorized Service Dealer. Make sure to identify your MODEL NUMBER and SERIES.

2.Check the state of the battery. Fill all cells of unsealed batteries to the proper level with distilled water. DO NOT USE TAP WATER IN THE BAT- TERY. Recharge the battery to 100 percent state of charge, or, if defective, replace the battery.

3.Clean and wipe the entire generator.

3.11 DRIVE BELT

The engine drives the generator rotor by means of a pulley and drive belt arrangement. The drive belt and pulleys are warranted for the life of the generator. Drive belt tension was properly adjusted before the unit was shipped from the factory. If you suspect that drive belt tension is incorrect, contact a Generac Authorized Service Dealer.

3.12 EXERCISING THE GENERATOR

Generac recommends that you start and operate the generator at least once every seven days. Let the unit run for at least 30 minutes to “exercise” the engine.

4.Reconnect the battery. Observe battery polarity. Damage may occur if the battery is connected incorrectly.

5.Turn OFF all electrical loads. Add fuel if neces- sary and then start the engine.

6.Allow the unit to warm up thoroughly.

7.Apply electrical loads to at least 50 percent of the unit’s rated wattage capacity.

8.When the engine is thoroughly warmed up, shut it down.

9.Your generator is now ready for service.

3.14 WATTAGE REFERENCE GUIDE

Running Watts

Battery Charger

500

3.13 OUT OF SERVICE PROCEDURE

Belt Sander (3”)

1000

Chain Saw

1200

3.13.1 REMOVAL FROM SERVICE

If you cannot exercise the generator every seven days, and it is to be out of service longer than 30 days, pre- pare the generator for storage as follows:

1.Start the engine and let it warm up.

2.Close the fuel shutoff valve in the fuel supply line and allow the unit to shut down.

3.While the engine is still warm from running, drain the oil completely. Refill the crankcase with SAE 10W-30 oil having API classification “For Service SF.”

4.Attach a tag to the engine indicating the viscosity and classification of the oil in the crankcase.

5.Remove the spark plug and pour two or three tablespoons of clean, fresh engine oil into the spark plug threaded openings. Reinstall and tighten the spark plug.

6.Remove the battery and store it in a cool, dry room on a wooden board. Never store the battery on any concrete or earthen floor.

7.Clean and wipe the entire generator.

3.13.2 RETURN TO SERVICE

To return the unit to service after storage, proceed as follows:

1.Check the tag on the engine for oil viscosity and classification. Verify that the correct recommend- ed oil is used in the engine (see Section 1.5.4, Page 6). If necessary, drain and refill with the proper oil.

Circular Saw (6-12”)

800 to 1000

Disc Sander (9”)

1200

Hand Drill (1”)

1100

Hedge Trimmer

450

Impact Wrench

500

Lawn Mower

1200

Electric Range (one element)

1500

Television

1750 to 2000

Coffee Maker

1000

Electric Skillet

1250

Hair Dryer

1200

Light Bulb

100

Microwave Oven

700

Oil Burner on Furnace

300

Oil Fired Space Heater (140,000 Btu)

400

Radio

50 to 200

Slow Cooker

200

*Furnace Fan (1/3 HP)

1200

*Refrigerator

600

*Air Conditioner (12,000 Btu)

1700

*Compressor (1HP)

2000

*Deep Freeze

500

*Milk Cooler

1100

*Submersible Pump (1-1/2 HP)

2800

*Submersible Pump (1 HP)

2000

*Paint Sprayer, Airless (1/3 HP)

600

*Table Saw (10”)

1750 to 2000

*Allow 2-1/2 times the listed watts for starting these devices.

Generac® Power Systems, Inc. 15

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Contents Power SYSTEMS, INC Introduction Authorized Service Dealer LocationTable of Contents General Hazards Electrical Hazards Reference Number Identification Generator IdentificationSafety InstallationGenerator Applicability Generator AC Connection SystemFuel Consumption gph/lbs.ph SpecificationsFuel Requirements Engine OIL RequirementsGenerator Control Panel Before Starting the Engine Optional Remote START/STOP PanelAutomatic Choke Starting the Generator Stopping the GeneratorEngine Exhaust GAS Letting the Engine StabilizeLOW OIL Pressure Switch High Temperature SwitchProtection Systems Field BoostOvervoltage Protection Checking the Engine OIL Level6 25-HOUR CHECK-UP 5 25-HOUR BREAK-IN PeriodChanging the Engine OIL AND/OR OIL Filter Maintaining the Engine AIR CleanerCleaning the Foam Precleaner Spark Arrestor Muffler Clean AIR Intake ScreenChecking the Engine Spark Plug Battery Maintenance Cleaning the GeneratorWeekly Every SIX MonthsDrive Belt OUT of Service ProcedureExercising the Generator Wattage Reference GuidePrimepact 66G and 66LP Recreational Vehicle Generators Part General Hazards Electrical Hazards Standards Booklets Purpose and Scope Installation InstructionsEquipment Description Generator Engine Operating SpeedMajor Features and Dimensions Generator Support Location and SupportGenerator Location Suspended MountingGenerator Restraint Generator CompartmentsCompartment Construction Compartment SizeAcoustics Sound Insulating MaterialsCompartment Floor Cutout Compartment Floor Cutouts Cooling and Ventilating AIRCooling AIR Inlet Openings Generator AirflowCompensating for Restrictions Testing the InstallationGasoline Fuel System Parts not Included in Fuel System LP GAS Fuel SystemGenerator Fuel Supply Line Some Important Considerations Primary RegulatorVapor Withdrawal Gaseous CarburetionFuel Supply Lines Exhaust SystemExcess Flow Valve Leakage TestsWiring Exhaust System SafetyElectrical Connections Type of Exhaust SystemBattery Installation 18 Transfer Switch Isolation Method Battery CablesBattery Cable Connections Optional AccessoriesBattery Compartment Remote Panel ModelsTesting Under Load Post Installation TestsBefore Initial START-UP Initial StartInstallation Checklist Problem Cause Correction Troubleshooting GuideGenerac 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 PURCHASER’S/OWNER’S Warranty Responsibilities Your Warranty Rights and ObligationsMANUFACTURER’S Emission Control System Warranty Coverage Emission Related Parts Include the Following Emission Control System WarrantyGenerac Power SYSTEMS, INC