Guardian Technologies 02010-2, 04164-3 LP GAS Fuel System, ‹ 2.4.2 Generator Fuel Supply Line

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Section 2 – Installation

Recreational Vehicle Generator

‹2.4.1 FUEL TANK

Either the generator must share the vehicle engine's fuel tank, or a separate fuel tank must be installed for the generator set. All fuel tanks installed on the vehicle must be constructed, installed and restrained so they comply with applicable codes, standards and regulations.

If the generator is to share the vehicle engine's tank, separate fuel pickup tubes are required for the engine and the generator. The manufacturer recommends that the fuel pickup tube be two to three inches (51 to 76 mm) shorter than the vehicle engine's pickup tube. This prevents the generator from depleting the entire fuel supply during prolonged generator operat- ing periods.

Do NOT tee the generator fuel supply line into the vehicle engine fuel supply line. If this is done, the generator will be starved of fuel when both engines are operating at the same time. Also, while the vehicle engine is not run- ning, generator operation may drain the vehicle engine supply line, making it difficult to start the vehicle engine.

‹2.4.2 GENERATOR FUEL SUPPLY LINE

2.4.2.1 Rigid Fuel Lines

Those lines used to supply fuel from a tank to the generator must comply with applicable codes, stan- dards and regulations. The following general rules apply to rigid fuel lines:

•Rigid lines should be of annealed, seamless, drawn aluminum or steel.

•Lines and fittings must comply with SAE J512F, “Standard Automotive Fittings,” or with ANSI B126.26 (latest edition).

•Route the fuel line so that at least 2 inches (51 mm) of clearance is maintained between the line and any exhaust system parts.

•Do not attach electrical wiring to fuel lines. Route the wiring so it cannot come into contact with any fuel line.

•Route fuel lines so if they leak, fuel does not drip onto any electrical or exhaust system parts.

•Use nonferrous metal straps without sharp edges to secure fuel lines.

2.4.2.2 Flexible Fuel Line

Use an approved flexible length of fuel hose between the generator fuel inlet connection and rigid fuel lines. This prevents breaking of the line caused by vibration, shifting, settling or movement. The follow- ing rules apply:

•The flexible hose must comply with SAE J1737 (30R7), “Standard for Fuel and Oil Hose.” It must be approved for use with gasoline and low perme- ability.

•The hose should be at least 6 inches (152 mm) longer than is needed to prevent the hose from rupturing if the generator shifts or settles.

2.5LP GAS FUEL SYSTEM

DANGER

LP gas is highly EXPLOSIVE. The gas is heavier than air and tends to settle in low areas. Even the slightest spark can ignite it and cause and explosion. Only competent, qualified people should be allowed to install, test, adjust or ser- vice an LP gas fuel system. Install the optional fuel system in compliance with applicable codes, standards and regulations. After the installation, do not do anything that might render the sys- tem in noncompliance with applicable codes and standards.

The LP powered range of generators are fitted with a nonadjustable, factory set system. These systems are tamper-proof to meet 1997 California Air Resources Board requirements for engine emission.

‹2.5.1 PARTS NOT INCLUDED IN FUEL SYSTEM

The propane fuel system does NOT include such items as (a) gas tank, (b) gas piping, (c) fittings, (d) valves, and (e) primary regulator, used to store the gaseous fuel and deliver it to the gaseous fuel sole- noid (Figure 2.15).

DANGER

Use only approved components in the fuel sup- ply system. All components must be properly installed in accordance with applicable codes. Improper installation or use of unauthorized components may result in fire or an explosion. Follow approved methods to test the system for leaks. No leakage is permitted. Do not allow fuel vapors to enter the vehicle interior.

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Contents Air-cooled Recreational Vehicle Generators Authorized Service Dealer Location IntroductionPart II Installation Instructions Inside Front Cover Warning   Electrical Hazards  Generator Identification ModelGenerator Applicability SafetySpecifications Generator AC Connection System‹ 1.5.4 Engine OIL Requirements ‹ 1.5.2 Optional Propane Fuel System‹ 1.5.3 Fuel Consumption ‹ 1.5.6 GeneratorGenerator Control Panel Optional Remote START/STOP PanelAutomatic Choke Gasoline only Before Starting the Engine Starting the GeneratorSUMMER/WINTER Heat Riser System Stopping the Generator‹ 2.7.1 Letting the Engine Stabilize Protection Systems ‹ 2.9. LOW OIL Pressure Switch‹ 2.9.2 High Temperature Switch ‹ 2.8.1 do not Overload the GeneratorAdditional Information Checking the Engine OIL Level‹ 2.10.2 Operation in High Grass or Brush Maintaining the Engine AIR Cleaner ‹ 3.3.1 Cleaning the Foam PrecleanerChanging the Engine OIL AND/OR OIL Filter Clean AIR Intake Checking the Engine Spark PlugFuel Filter Gasoline only Cleaning the GeneratorBattery Maintenance Spark Arrestor MufflerDrive Belt OUT of Service Procedure‹ 3.13.1 Removal from Service Exercising the Generator‹ 3.13.2 Return to Service Part  General Hazards   Fire Hazards  Generator Engine Operating Speed Purpose and Scope ManualEquipment Description Standards BookletsMajor Features and Dimensions Drawing 0F1127 Location and Support ‹ 2.1.1 Generator Location‹ 2.1.2 Generator Support ‹ 2.2.2 Compartment Construction Generator Compartments‹ 2.1.4 Generator Restraint ‹ 2.2.1 Compartment Size‹ 2.2.3 Sound Insulating Materials ‹ 2.2.4 Acoustics‹ 2.2.5 Compartment Floor Cutouts Typical Noise AbatementCooling and Ventilating AIR ‹ 2.3.1 Generator Airflow‹ 2.3.2 Cooling AIR Inlet Openings ‹ 2.3.4 Testing the Installation Gasoline Fuel System‹ 2.3.3 Compensating for Restrictions LP GAS Fuel System ‹ 2.4.2 Generator Fuel Supply Line‹ 2.5.1 Parts not Included in Fuel System ‹ 2.5.2 Some Important Considerations ‹ 2.5.3 Vapor Withdrawal‹ 2.5.5 Gaseous Carburetion ‹ 2.5.7 Excess Flow Valve Exhaust System‹ 2.5.6 Fuel Supply Lines ‹ 2.5.8 Leakage Tests‹ 2.6.2 Type of Exhaust System ‹ 2.6.3 Exhaust System Safety‹ 2.6.1 Mufflers and Spark Arrestors ‹ 2.7.1 Electrical Junction BOX‹ 2.7.2 Wiring ‹ 2.7.3 Generator AC Connections‹ 2.7.6 Power Supply Cord ‹ 2.7.7 Ground Fault Circuit InterruptersBattery Installation Optional AccessoriesBefore Initial START-UP Post Installation TestsTesting Under Load Initial StartInstallation Checklist Troubleshooting Guide Problem Cause CorrectionElectrical Data Electrical Data Exploded Views and Parts Lists Description Exploded Views and Parts Lists QTY Description Exploded Views and Parts Lists Description QTY 50 8 SCROLL, Flywheel Exploded Views and Parts Lists Piston Ring SET Exploded Views and Parts Lists MANIFOLD, Intake Your Warranty Rights and Obligations MANUFACTURER’S Emission Control System Warranty CoveragePURCHASER’S/OWNER’S Warranty Responsibilities Emission Control System Warranty Emission Related Parts Include the FollowingWarranty Schedule CONSUMER/PERSONAL Applications

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