Generac 04675-3, 04673-2, 04674-2 owner manual General Hazards

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IMPORTANT SAFETY INSTRUCTIONS

Air-cooled 7 kW, 12 kW and 15 kW Generators

SAVE THESE INSTRUCTIONS – The manufacturer suggests that these rules for safe operation be copied and posted near the unit’s installation site. Safety should be stressed to all operators and potential operators of this equipment.

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 install- ing, operating or servicing this equipment. Become familiar with this Owner’s Manual and with the unit. The generator can operate safely, efficiently and reliably only if it is properly installed, operated and maintained. Many accidents are caused by failing to follow simple and fundamental rules or precautions.

The manufacturer cannot anticipate every possible circumstance that might involve a hazard. The warn- ings 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 the manufacturer does not specifically recommend, ensure that it is safe for others. Also make sure the procedure, work method or operating technique uti- lized 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 operate or maintain 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 generators.

Please read all hazards carefully!

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GENERAL HAZARDS

For safety reasons, the manufacturer recommends that the installation, initial start-up and main- tenance of this equipment is carried out by an Authorized Dealer.

The engine exhaust fumes contain carbon monox- ide, which can be DEADLY. This dangerous gas, if breathed in sufficient concentrations, can cause unconsciousness or even death. This exhaust system must be installed properly, in strict com- pliance with applicable codes and standards. Following installation, do nothing that might ren- der the system unsafe or in noncompliance with such 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 venti- lating air is critical to correct generator operation. Do not alter the installation or permit even partial blockage of ventilation provisions, as this can seri- ously affect safe operation of the generator. The generator MUST be installed outdoors.

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

Inspect the generator regularly, and contact the nearest Authorized Dealer for parts needing repair or replacement.

Before performing any maintenance on the gen- erator, disconnect its battery cables to prevent accidental start up. Disconnect the cable from the battery post indicated by a NEGATIVE, NEG or (–) first. Reconnect that cable last.

Never use the generator or any of its parts as a step. Stepping on the unit can stress and break parts, and may result in dangerous operating con- ditions from leaking exhaust gases, fuel leakage, oil leakage, etc.

ELECTRICAL HAZARDS

All generators covered by this manual produce dangerous electrical voltages and can cause fatal electrical shock. Utility power delivers extremely high and dangerous voltages to the transfer switch as does the standby generator when it is in opera- tion. Avoid contact with bare wires, terminals, connections, etc., while the unit is running. Ensure all appropriate covers, guards and barriers are in

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Contents Installation Introduction Authorized Dealer LocationPost Installation Start-up Adjustments MaintenanceTroubleshooting Introduction Inside Front CoverGeneral Hazards Fire Hazards ‹ Standards IndexProtection Systems UNPACKING/INSPECTIONSystem SET LED Generator Gfci‹ 1.5.1 Generator Specifications‹ 1.5.2 Engine Reconfiguring the Fuel System Fuel Requirements RecommendationsFuel Consumption ‹ 1.8.1 7 KW, 410CC‹ 1.9.2 Transfer Switch Location‹ 1.9.1 Generator 2.1 7 kW, 12 kW and 15 kW UnitsBattery Installation BatteryBefore Initial START-UP Check Transfer Switch OperationElectrical Checks Generator Tests Under Load Checking Automatic OperationEngine Governor Adjustment Adjusting the Regulator Natural GAS only‹ 2.7.1 7 KW Units Voltage Regulator Adjustment ‹ 2.7.2 12 KW and 15 KW UnitsBREAK-IN Procedure Automatic Transfer OperationSequence of Automatic Operation ‹ 3.2.1 Auto Position‹ 3.5.2 Transfer Back to Utility Power Source Manual Transfer OperationSetting the Exercise Timer ‹ 3.7.1 LOW OIL Pressure Switch‹ 3.7.2 High Temperature Switch ‹ 3.7.3 OvercrankApproximate Crank Cycle Times Checking the Engine OIL Level‹ 3.7.4 Overspeed ‹ 4.3.2 OIL Change Procedure Changing the Engine OILChanging the OIL Filter ‹ 4.3.1 Engine OIL RecommendationsBattery Maintenance Spark PlugsAdjusting Valve Clearance Cooling SystemOUT of Service Procedure ‹ 4.12.1 Removal from Service‹ 4.12.2 Return to Service Corrosion ProtectionService Schedule SYSTEM/COMPONENT Procedure FrequencyTroubleshooting Guide Problem Cause CorrectionElectrical Data Customer Battery Utility Battery Charger Utility Connection BCR RED Exploded Views and Parts Lists Part NO. QTY Description Exploded Views and Parts Lists Part NO. QTY. Description 16B Sleeve 122 124 125 138 139 136135 KNOB, AIR Cleaner 45 30 1016 1519 QTY Exploded Views and Parts Lists QTY Description Exploded Views and Parts Lists PIN, Piston D20 Exploded Views and Parts Lists SCREW, Taptite M6-1.0X8 Yellow Chrome 7KW CASTING, Twin Regulator Housing Mounting Dimensions Air-cooled 7 kW, 12 kW and 15 kW Generators 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 Errata Sheet PRE Packaged Units only ASSEMBLY, Enclosure Base
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04674-2, 04675-3, 04673-2 specifications

Generac, a prominent name in the power equipment sector, offers a range of reliable and efficient energy solutions, including the models Generac 04673-2, 04675-3, and 04674-2. These models are designed to meet diverse consumer needs, from residential applications to larger commercial setups, providing dependable backup power during outages.

The Generac 04673-2 is a standout home standby generator specifically engineered for residential use. It boasts an automatic operation feature, ensuring that power is restored within seconds of an outage. This model operates on a robust Generac engine, delivering a reliable power output that can support essential household appliances and systems, including HVAC units, refrigerators, and sump pumps. One of the main characteristics of this generator is its Quiet Test mode, which runs at a lower RPM to minimize noise while conducting weekly self-tests, ensuring that the system is always ready when needed.

Moving on to the Generac 04675-3, this model offers enhanced features tailored for users needing higher power output. With a larger capacity, it can handle more demanding power needs, making it suitable for larger homes or small businesses. The 04675-3 is equipped with advanced technologies, including the Mobile Linkā„¢ remote monitoring system, which enables users to check the status and performance of their generator from anywhere using a smartphone or computer. This connectivity empowers users with real-time information and alerts regarding their generator's operational performance.

The Generac 04674-2 model rounds out the trio, engineered for those who need a powerful standby generator with a slightly different configuration. It features the same robust engine as the other models, ensuring reliability and user-friendly operation. Its standout feature is the integrated transfer switch capability, which allows for seamless transfer of power from the grid to the generator without manual intervention. This model also supports various fuel types, providing flexibility depending on user preference and availability.

All three Generac models focus on safety and efficiency, incorporating features such as excellent ventilation systems, all-weather enclosures, and user-friendly control panels. They are designed for low maintenance, ensuring long-lasting performance without extensive upkeep. With Generac's commitment to innovation and quality, these generators offer peace of mind, enabling users to maintain their lifestyles and operations without interruption during power outages. Whether for home or business use, the Generac 04673-2, 04675-3, and 04674-2 models represent a reliable choice in emergency power solutions.