Guardian Technologies 004701-0 Exhaust System,  2.4.8 leakage tests,  2.5.1 Spark Arrestor

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Section 2 – Installation

Recreational Vehicle Generator

2.4.8 leakage tests

Do not place the generator into service until the gas system has been properly tested for leaks. To test the system, a separate source of 12 volts DC is needed to open the gaseous fuel solenoid valve.

The leak test must comply fully with NFPA, Paragraph

318.All connections, hoses, valve regulators, fittings, and other fuel system parts must be tested under gas or air pressure of not less than 90 psi (620 kPa), while using soap and water or an equivalent solution to check for leaks. Other approved methods of testing for leaks may be used, if appropriate. DO NOT USE ANY FLAME TO TEST FOR LEAKS.

danger

Gaseous fuel lines between the tank and the secondary regulator are under a positive pres- sure (about 11 inches water column). Gas pres- sure at the outlet side of the secondary regula- tor, however, is a negative pressure and can draw flame inside a line or fitting and cause an explosion.

2.5Exhaust System

The generator exhaust system must be safely and properly installed. Only approved mufflers and other exhaust system parts must be used. A properly installed exhaust system must be vapor tight, quiet and completely safe.

danger

The generator engine gives off DEADLY carbon monoxide gas through its exhaust system. This dangerous gas, if breathed in sufficient con- centrations, 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 SYSTEM IS LEAKING OR HAS BEEN DAMAGED. SYMPTOMS OF CARBON MONOXIDE POISONING ARE (a) inability to think coher- ently; (b) vomiting; (c) twitching muscles; (d) throbbing temples; (e) dizziness; (f) headaches;

(g) weakness; and (h) sleepiness. IF FEELING ANY OF THESE SYMPTOMS, MOVE INTO FRESH AIR IMMEDIATELY. IF SYMPTOMS PERSIST, GET MEDICAL HELP. Do not operate the generator until its exhaust system has been inspected and properly repaired.

Never tee the generator engine exhaust pipe into the vehicle engine exhaust piping. This causes excessive back pressure on the generator engine. Also, water from one engine can dam- age the other engine.

2.5.1 SPARK ARRESTOR

This spark arrestor assembly meets code and stan- dard requirements of the U.S. Forest Service. Use only mufflers and parts approved by the manufactur- er. Any person(s) installing an unapproved muffler, or an unapproved exhaust system part, or modifying an exhaust system in any way that might cause a hazard, is liable for any damage, injury or warranty expense that might be caused by such unapproved installation or modification.

Failure to provide and maintain a spark arrestor may be in violation of the law. If this generator is used on any forest covered, brush covered or grass covered unimproved land, provide a spark arrestor. The vehi- cle owner or operator must maintain this device in good condition. In the state of California, the preced- ing is required by law (Section 4442 of the California Public Resources Code). Other states may have simi- lar laws. Federal laws apply on federal lands.

When installing/replacing the tailpipe or spark arres- tor components, verify that the tailpipe has a hole to securely fasten the spark arrestor components (see Figures 2.11 and 2.12). Use only manufacturer supplied hardware. Substitution of parts may cause damage to the screen or a loose fit to the tailpipe.

Figure 2.11 - Spark Arrestor

TAILPIPE

P/N 0E0683

SPARK ARRRESTOR

SCREEN P/N 089680

RETAINING

SCREW P/N 056892

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Contents Air-cooled Recreational Vehicle Generators Introduction Authorized ServiceDealer Location Table of Contents  General Hazards   Electrical Hazards  Generator Identification ModelSafety SpecificationsGenerator Applicability Generator ac Connection systemGenerator control panel Before starting the engine Optional remote Start/stop panelStarting the generator Do not overload Generator Stopping the generatorProtection Systems Additional Information  2.8.3 field boost 2.8.4 overvoltage protection  2.9.1 25-HOUR BREAK-IN PeriodLevel Checking the Engine OILCHANGing the Engine OIL And/or Oil Filter Maintaining The Engine AIR Cleaner Clean air intake 3.3.1 cleaning the Foam Precleaner  3.3.2 cleaning or replacing the paper filterCleaning the Generator Clean spark arrestorChecking the Engine Spark Plug Out of Service Procedure Battery MaintenanceExercising the Generator Rv generator service interval Adjusting Valve Clearance 3.11.2 Return To Service Part Installation Instructions  General Hazards   Electrical Hazards   Fire Hazards  Purpose and Scope Equipment DescriptionGenerator Engine Operating Speed Generator AC Connection SystemView from TOP Location and Support  2.1.1 Generator Location 2.2.1 Compartment Size Generator Compartments 2.2.2 Compartment Construction  2.2.3 Sound Insulating Materials  2.2.4 Acoustics 2.2.5 Compartment Floor Cutouts Cooling and Ventilating Air 2.3.1 Generator airflow  2.3.2 Testing the Installation LP Gas Fuel System 2.4.1 Parts not Included in Fuel System  2.4.2 Some Important Considerations 2.4.3 vapor withdrawal  2.4.4 primary regulator 2.4.5 Gaseous Carburetion  2.4.6 fuel supply lines 2.4.8 leakage tests Exhaust System 2.5.1 Spark Arrestor  2.5.2 Exhaust System Safety  2.6.2 WiringElectrical Connections  2.6.1 Electrical Junction BOX 2.6.3 Generator AC Connections  2.6.6 Power Supply Cord 2.6.4 Conduit 14 Transfer Switch Isolation Method Optional Accessories  2.7.3 Battery Cable Connections 2.7.4 Battery Compartment  2.8.1 remote start/stop panelPost Installation Tests Testing Under LoadBefore Initial START-UP Initial StartInstallation Checklist Troubleshooting Guide Problem Cause CorrectionAppendix 2 Electrical Data Supplied by Customer 24 7 QTY Description 21 2 ASSEMBLY, Brush Holder 274 Regulator Voltage Appendix 3 Exploded Views and Parts Lists GUARD, FAN Appendix 3 Exploded Views and Parts Lists Long Block Assembly 220 RV LP Recreational Vehicle Generator Regulator Drawing No F5819 CASTING, Twin Regulator Housing 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 FollowingWarranty Schedule Consumer/Personal Applications

004701-0 specifications

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