Generac 004700-0 Cooling And Ventilating Air, Gasoline Fuel System, Testing The Installation

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2.3COOLING AND VENTILATING AIR

Section 2 – Installation

QUIETPACT 40G Recreational Vehicle Generator

2.3COOLING AND VENTILATING AIR

It is absolutely essential that an adequate flow of air for cooling, ventilating and engine combustion be supplied to the generator set. Without sufficient air- flow, the engine/generator quickly overheats. Such overheating can cause serious operating difficulties and also may cause fire and personal injury. The installer must make sure that sufficient air is avail- able to the generator for cooling, ventilating and com- bustion. The installer also must provide for a path for exhausting the cooling air to the exterior of a com- partment, if so equipped.

◆2.3.2 TESTING THE INSTALLATION

Generac recommends testing the installation to be sure adequate cooling airflow is available to the unit before placing the unit into service. If the unit shows signs of overheating, you will need to enlarge the air openings. Never place a unit into service until absolutely certain that cooling and ventilation is ade- quate.

NOTE:

You must test the installation, especially if you bring in air from below the generator set.

◆2.3.2 TESTING THE INSTALLATION DANGER DANGER

Never use discharged cooling air for heating or permit such air to enter the vehicle interior. This air contains deadly carbon monoxide gas and other poisonous, flam- mable or explosive gases.

◆2.3.1 GENERATOR AIRFLOW

2.4GASOLINE FUEL SYSTEM

The installation of a gasoline fuel system (Figure 2.10) for a recreational vehicle generator set must comply with applicable codes, standards and regula- tions. The entire fuel system must be completely free of leaks. There must be no possibility of gasoline vapors entering the vehicle interior.

Figure 2.10 – Generator Fuel System

Engine operation drives cooling fans for the two-stage cooling air system. A pressure fan draws cooling air into the bottom right side of the generator (Figure 2.9). This airflow cools the engine/generator and electronic components. The second part of the cooling system, a suction fan, draws air that is heated from a hot engine into a collector compartment at the left side of the unit. This heated air (although cooler than exhaust muffler) is then deflected out the bottom toward the ground.

Figure 2.9 – Airflow Through Engine/Generator

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◆2.3.1 GENERATOR AIRFLOW2.4GASOLINE FUEL SYSTEM DANGER

Gasoline is highly flammable, and its vapors are explosive. Comply with all codes, standards and regulations pertaining to gasoline fuel systems used in recreational vehicle generators.

Properly install and maintain the fuel system and keep it entirely free of leaks. Gasoline vapors must not enter the vehicle interior.

Factory installed generator fuel system components include (a) fuel filter, (b) 12-volt DC electric pump, (c) engine carburetor, and (d) interconnecting lines and fittings. Connect a fuel supply line to the fuel filter inlet. Use a flexible length of approved fuel hose between the fuel filter inlet connection and rigid fuel lines.

26 Generac® Power Systems, Inc.

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Contents Air-cooled Recreational Vehicle Generators This manual should remain with the unitModel QUIETPACT 40G GENERA OHVIAUTHORIZED SERVICE DEALER LOCATION CONTENTSOPERATION AND MAINTENANCE HOW TO OBTAIN SERVICEPart II - Installation Instructions Safety RulesAdjustments Exploded Views and Parts ListsGENERAL HAZARDS Despite the safe design of this generatorParts of the generator are rotating and/or hot during operation. Exercise care near running generatorsFIRE HAZARDS ELECTRICAL HAZARDSEXPLOSION HAZARDS 1.1 GENERATOR IDENTIFICATION Model 004700-0 - QUIETPACT 40GModel Number kW Rating1.3 SAFETY 1.5 SPECIFICATIONSDo not overload the generator. Some installa 1.2 GENERATOR APPLICABILITYGenerac does not recommend using any 1.5.5 GENERATOR1.5.2 FUEL CONSUMPTION 1.5.3 ENGINE OIL REQUIREMENTS2.1.2 START/STOP SWITCH 2.4.1 INSTALLATION2.1 GENERATOR CONTROL PANEL 2.2 OPTIONAL REMOTE START/STOP PANEL2.5 STARTING THE GENERATOR 2.4.2 ENGINE LUBRICATION2.4.3 FUEL SUPPLY 2.4.4 COOLING AND VENTILATING AIR2.9.1 LOW OIL PRESSURE SWITCH 2.9.2 HIGH TEMPERATURE SWITCHFigure 2.2 - Low Oil Pressure and High Temperature Switches 2.6 STOPPING THE GENERATOR2.10 ADDITIONAL INFORMATION 2.9.3 FIELD BOOST2.10.1 25-HOUR BREAK-IN PERIOD 2.9.4 OVERVOLTAGE PROTECTIONFigure 3.1 - Oil Maintenance Features 3.1 CHECKING THE ENGINE OIL LEVEL3.2 CHANGING THE ENGINE OIL AND/OR OIL FILTER 2.10.4 OPERATION IN HIGH GRASS OR BRUSH3.3 MAINTAINING THE ENGINE AIR CLEANER 3.3.1 CLEANING THE FOAM PRECLEANERFigure 3.2 - Engine Air Cleaner 3.3.2 CLEANING OR REPLACING THE PAPER FILTER3.4 CLEAN AIR INTAKE 3.7 CLEAN SPARK ARRESTORFigure 3.3 - Cleaning Air Intake Figure 3.4 - Setting the Spark Plug Gap3.8 CLEANING THE GENERATOR 3.9 BATTERY MAINTENANCEDo NOT use a forceful spray of water to clean Use tools with insulated handles Wear rubber gloves and boots3.12 OUT OF SERVICE PROCEDURE 3.13 ADJUSTING VALVE CLEARANCE3.12.1 REMOVAL FROM SERVICE 3.12.2 RETURN TO SERVICE3.14 RV GENERATOR SERVICE INTERVAL Figure 3.8 - Tightening Jam NutINSTALLATION INSTRUCTIONS SHOULD ATTEMPT INSTALLATIONPART ONLY QUALIFIED ELECTRICIANS OR CONTRACTORSNOTICE TO INSTALLER FIRE HAZARDS 1.2 SAFETY 1.1 PURPOSE AND SCOPE OF THE MANUAL1.4 EQUIPMENT DESCRIPTION 1.5 GENERATOR ENGINE OPERATING SPEEDMajor Features VIEW FROM TOP2.1 LOCATION AND SUPPORT 2.1.1 GENERATOR LOCATION2.1.2 GENERATOR SUPPORT 2.1.3 SUSPENDED MOUNTING2.2 GENERATOR COMPARTMENTS 2.1.4 GENERATOR RESTRAINT2.2.2 COMPARTMENT CONSTRUCTION 2.2.1 COMPARTMENT SIZE2.2.3 SOUND INSULATING MATERIALS 2.2.4 ACOUSTICSFigure 2.6 - Types of Lock Seams Figure 2.7 - Typical Noise Abatement 2.2.5 COMPARTMENT FLOOR CUTOUTS Figure 2.8 - Compartment Floor Cutout Drawing 0D8716-CVIEW FROM TOP All measurements are in millimeters, 25.4 mm = 1”2.3.2 TESTING THE INSTALLATION 2.3 COOLING AND VENTILATING AIR2.4 GASOLINE FUEL SYSTEM 2.3.1 GENERATOR AIRFLOW2.5 EXHAUST SYSTEM 2.4.1 FUEL TANK2.4.2.2 Flexible Fuel Line 2.4.2 GENERATOR FUEL SUPPLY LINE 2.4.2.1 Rigid Fuel Lines2.5.2 EXHAUST SYSTEM SAFETY Figure 2.12 - Spark Arrestor Installation2.6 ELECTRICAL CONNECTIONS 2.5.1 SPARK ARRESTOR2.6.2 WIRING 2.6.1 ELECTRICAL JUNCTION BOX2.6.3 GENERATOR AC CONNECTIONS 2.6.4 CONDUIT2.6.6 POWER SUPPLY CORD 2.6.5 ISOLATING DIFFERENT POWER SOURCESFigure 2.14 - Transfer Switch Isolation Method 2.7 BATTERY INSTALLATION 2.8 OPTIONAL ACCESSORIES2.7.1 RECOMMENDED BATTERY 2.7.2 BATTERY CABLES3.1 POST INSTALLATION TESTS 3.4 TESTING UNDER LOADDo not make any unnecessary adjustments 3.2 BEFORE INITIAL START-UP3.5 INSTALLATION CHECKLIST Appendix 1 - Notes 34 Generac Power Systems, IncTROUBLESHOOTING GUIDE PROBLEMCAUSE CORRECTION36 Generac Power Systems, Inc Appendix 3 - Electrical DataBROWN Data PowerQUIETPACT Appendix 3 - Electrical38 Generac Power Systems, Inc Appendix 4 - Exploded Views and Parts ListsEnclosure - Drawing No. 0D8352-E TO CARBPART NO. QTY Appendix 4 - Exploded Views and Parts ListsDESCRIPTION 40 Generac Power Systems, Inc Appendix 4 - Exploded Views and Parts Lists 42 Generac Power Systems, Inc 25 24Appendix 4 - Exploded Views and Parts Lists 44 Generac Power Systems, Inc ASSEMBLY BRACKET GOVERNOR BOOT CHOKE SOLENOID PLASTICASSEMBLY, GOVERNOR LEVER GASKET CARBURETOR/MANIFOLD46 Generac Power Systems, Inc TAPERED CRANKSHAFT ASSEMBLY SCREW, HHFC M8-1.25 X 35MMVALVE SPRING WEAR WASHER OIL PRESSURE RELIEF COVERCALIFORNIA AND FEDERAL EMISSION CONTROL WARRANTY STATEMENT YOUR WARRANTY RIGHTS AND OBLIGATIONSMANUFACTURER’S EMISSION CONTROL SYSTEM WARRANTY COVERAGE PURCHASER’S/OWNER’S WARRANTY RESPONSIBILITIESEMISSION CONTROL SYSTEM WARRANTY EMISSION RELATED PARTS INCLUDE THE FOLLOWING1 Utility 2 Lawn and Garden Equipment 3 Recreational Vehicle RV Generator 4 Industrial Mobile IM GeneratorGENERAC POWER SYSTEMS’ THREE-YEAR LIMITED WARRANTY WARRANTY SCHEDULE - COMMERCIAL APPLICATIONSWARRANTY SCHEDULE - CONSUMER/PERSONAL APPLICATIONS GENERAC POWER SYSTEMS, INC
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