Generac Power Systems 004992-0, 004992-1, 004992-1, 004992-0 owner manual General Hazards

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IMPORTANT SAFETY INSTRUCTIONS

Guardian 40kW Liquid-cooled Generators

SAVE THESE INSTRUCTIONS – The manufacturer suggests that these rules for safe

!operation be copied and posted in potential hazard areas. Safety should be stressed to all operators, potential operators, and service and repair technicians for this equipment.

SAVE THESE INSTRUCTIONS – This manual contains important instructions that should be

!followed during installation and maintenance of the generator and batteries.

!

!

!WARNING: !

The engine exhaust from this product contains chemicals known to the state

of California to cause cancer, birth defects or other reproductive harm.

!

WARNING:

!

 

 

 

This product contains or emits chemicals

 

 

known to the state of California to cause

 

cancer, birth defects or other reproductive harm.

Study these SAFETY RULES carefully before installing, operating or servicing this equipment. Become familiar with this Owner’s Manual and with the unit. The genera- tor can operate safely, efficiently and reliably only if it is properly installed, operated and maintained. Many acci- dents are caused by failing to follow simple and funda- mental rules or precautions.

Generac cannot anticipate every possible circum- stance that might involve a hazard. The warnings in this manual, and on tags and decals affixed to the unit are, therefore, not all-inclusive. If using a procedure, work method or operating technique that Generac does not specifically recommend, ensure that it is safe for others. Also make sure the procedure, work method or operat- ing technique chosen does not render the generator unsafe.

DANGER

Despite the safe design of this generator,

!operating this equipment imprudently, neglecting its maintenance or being careless can cause possible injury or death. Permit only responsible and capable persons to install, operate or main- tain this equipment.

Potentially lethal voltages are generated by these machines. Ensure all steps are taken to render the machine safe before attempting to work on the generator.

Parts of the generator are rotating and/or hot

!during operation. Exercise care near running gen- erators.

! GENERAL HAZARDS !

For safety reasons, Generac recommends that this equipment be installed, serviced and repaired by an authorized service dealer or other competent, quali- fied electrician or installation technician who is famil- iar with applicable codes, standards and regulations. The operator also must comply with all such codes, standards and regulations.

Installation, operation, servicing and repair of this (and related) equipment must always comply with applicable codes, standards, laws and regulations. Adhere strictly to local, state and national electrical and building codes. Comply with regulations the Occupational Safety and Health Administration (OSHA) has established. Also, ensure that the gener- ator is installed, operated and serviced in accordance with the manufacturer’s instructions and recommen- dations. Following installation, do nothing that might render the unit unsafe or in noncompliance with the aforementioned codes, standards, laws and regula- tions.

The engine exhaust fumes contain carbon monoxide gas, which can be DEADLY. This dangerous gas, if breathed in sufficient concentrations, can cause unconsciousness or even death. For that reason, ade- quate ventilation must be provided. Exhaust gases must be piped safely away from any building or enclosure that houses the generator to an area where people, animals, etc., will not be harmed. This exhaust system must be installed properly, in strict compliance with applicable codes and standards.

Keep hands, feet, clothing, etc., away from drive belts, fans, and other moving or hot parts. Never remove any drive belt or fan guard while the unit is operating.

Adequate, unobstructed flow of cooling and ventilat- ing air is critical to prevent buildup of explosive gases and to ensure correct generator operation. Do not alter the installation or permit even partial blockage of ventilation provisions, as this can seriously affect safe operation of the generator.

Keep the area around the generator clean and unclut- tered. Remove any materials that could become haz- ardous.

When working on this equipment, remain alert at all times. Never work on the equipment when physically or mentally fatigued.

2 Generac® Power Systems, Inc.

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Contents Liquid-cooled, Prepackaged Standby Generators ‹ Operation and Maintenance ‹ HOW to Obtain ServiceIntroduction ‹ Read this Manual ThoroughlyTable of Contents General Hazards Electrical Hazards Transfer Switch GeneratorAutomatic System Operation Generator AC Connection Systems‹ 1.7.1 LOW OIL Pressure Switch ‹ 1.7.2 High Coolant Temperature Switch‹ 1.7.3 LOW Coolant Level Switch Generator Fuel SystemUnpacking Lifting the GeneratorSpecifications Reconfiguring the Fuel System‹ 1.10.1 Generator Specifications ‹ 1.10.2 Engine SpecificationsTorque Specifications Before InstallationEngine OIL Recommendations Coolant RecommendationsGenerator Location Generator Mounting SupportBasic Standby Electric System ‹ 2.1.1 Nfpa StandardsTotal Circuit Isolation Method Emergency Circuit Isolation MethodGenerator AC Neutral Connections Transfer Switch Signal Connections Battery Installation‹ 2.9.1 PRE-PACKAGED ATS ‹ 2.9.2 GTS-TYPE ATSPreparation Before START-UP Using AN Engineered GTS Transfer Switch ‹ 3.2.1 AUTO/OFF/MANUAL Switch‹ 3.2.2 Fault Indicator Leds Control Console ComponentsEngine Governor Adjustments ‹ 3.2.5 SET Exercise Time SwitchManual Transfer START-UP ‹ 3.2.6 System Ready LEDAutomatic Operation Weekly Exercise CycleChecking Fluid Levels Overload Protection for Engine DC Electrical SystemCooling System ‹ 4.5.2 Check Battery ‹ 4.5.8 Check FAN Belt‹ 4.5.9 Inspect Engine Governor ‹ 4.5.1 Check Engine OIL LevelMiscellaneous Maintenance ‹ 4.6.1 Cleaning the Generator‹ 4.5.11 Changing the Engine AIR Cleaner ‹ 4.5.13 Coolant Change‹ 4.6.3 Battery Maintenance ‹ 4.6.4 Battery ReplacementScheduled Maintenance Service Maintenance Interval InformationLevel Maintenance Level Troubleshooting Points Problem Cause CorrectionElectrical Data Electrical Data Electrical Data Electrical Data Carrier Rear Bearing Assy Wire Hold Down BatteryBoot Battery Cable Battery Post Covwer BlackSee Latch Detail Assy GRD Wire 99HSB Assembly BASE-DOOR Ground WireIntake Duct HSB Duct Discharge RH FrontGenerac Power Systems, Inc Assy 2A 12V UL Battery Control BOX HSBCover Front Panel HSB Cover TOP Panel HSBGenerac Power Systems, Inc COVER, Flywheel Access ASSEMBLY, ResistorFlexplate 3.9L HSB MACHINING, 3.9L EnginePump Tank Coolant Recovery Radiator Copper BrassVENTURI,3.9L Cryslr HSB 22FAN Radiator Support L/H SideTo Engine Base AIR Cleaner Plate Hold Down AIR CleanerPlate AIR Cleaner TOP Flange Fuel InletLeads Rotor 390 30KW 1P Direct HSB Rotor 390 40KW 1P Direct HSBSTR-390--40AD HSB 433MM LONG3.9L Chrysler Rear Bearing Carrier 390/DRCTNUT TOP Lock FL M12-1.75 OUTWYE, Pipe 3.9L Chrysler Exhaust Flange 2 PipeInstallation Diagram Guardian 40kW Liquid-cooled Generators Guardian 40kW Liquid-cooled Generators This Warranty Shall not Apply to the Following