Generac Power Systems 04758-1, 04759-1, 04760-1 owner manual Battery Installation

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Section 1 — General Information

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

1.10 BATTERY INSTALLATION

NOTE:

Fill the battery with the proper electrolyte fluid if nec- essary and have the battery fully charged before installing it.

Before installing and connecting the battery, complete the following steps:

1.Set the generator's AUTO/OFF/MANUAL switch to OFF.

2.Turn off utility power supply to the transfer switch.

3.Remove the 5 amp and 15 amp fuses from the generator control panel.

If the AUTO/OFF/MANUAL switch is not set to its OFF position, the generator can crank and start as soon as the battery cables are connect- ed. If the utility power supply is not turned off, sparking can occur at the battery posts and cause an explosion.

Battery cables were factory connected at the genera- tor (Figure 1.5). Connect cables to battery posts as follows:

4.Connect the red battery cable (from starter con- tactor) to the battery post indicated by a positive, POS or (+).

5.Connect the black battery cable (from frame ground) to the battery post indicated by a nega- tive, NEG or (—).

6.Replace the 5 amp and 15 amp fuses in the gen- erator control panel.

NOTE:

Damage will result if battery connections are made in reverse.

Figure 1.5 – Battery Cable Connections

The generator is equipped with a battery trickle charger that is active when the unit is set up for automatic operation. With the battery installed and utility power source voltage available to the transfer switch, the battery receives a trickle charge while the engine is not running, to prevent self-discharge. The trickle charger is designed to help extend the life of the battery by maintaining the battery when the unit is not running. The trickle charge feature cannot be used to recharge a discharged battery.

1.11 THE BATTERY

Servicing of the battery is to be performed or super- vised by personnel knowledgeable of batteries and the required precautions. Keep unauthorized person- nel away from batteries.

When replacing the battery, use the following type of battery: Group 26/26R 12-volt battery with a rating of 350 cold-cranking amps minimum for 7 kW; 550 cold-cranking amps minimum for 12 and 15 kW at -18º C (0º F) minimum. When using a maintenance- free battery, it is not necessary to check the specific gravity or electrolyte level. Have these procedures performed at the intervals specified in the “Service Schedule.” A negative ground system is used. Battery connections are shown on the wiring diagrams. Make sure the battery is correctly connected and terminals are tight. Observe battery polarity when connecting the battery to the generator set.

DANGER

Do not dispose of the battery in a fire. The battery is capable of exploding.

A battery presents a risk of electrical shock and high short circuit current. The following precautions are to be observed when working on batteries:

•Remove watches, rings or other metal objects;

•Use tools with insulated handles;

•Wear rubber gloves and boots;

•Do not lay tools or metal parts on top of the battery; and

•Disconnect charging source prior to connecting or dis- connecting battery terminals.

Do not open or mutilate the battery. Released

!electrolyte has been known to be harmful to the skin and eyes, and to be toxic.

The electrolyte is a dilute sulfuric acid that is

!harmful to the skin and eyes. It is electrically conductive and corrosive.

Generac® Power Systems, Inc. 9

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Contents Installation Introduction Introduction Inside Front Cover Post Installation Start-up AdjustmentsMaintenance TroubleshootingGeneral Hazards ‹ Standards Index Electrical HazardsSystem SET LED UNPACKING/INSPECTIONProtection Systems 7 kW, Single Cylinder GH-410 Engine Generator‹ 1.5.2 Engine Specifications‹ 1.5.1 Generator 1 7 KW, 410CC Reconfiguring the Fuel SystemFuel Requirements Recommendations Fuel Consumption2.1 7 kW, 12 kW and 15 kW Units Transfer SwitchLocation GeneratorBattery Battery InstallationElectrical Checks Check Transfer Switch OperationBefore Initial START-UP Checking Automatic Operation Generator Tests Under Load1 7 KW Units Adjusting the Regulator Natural GAS onlyEngine Governor Adjustment 2 12 KW and 15 KW Units Voltage Regulator AdjustmentBREAK-IN Procedure ‹ 3.2.2 OFF Position Automatic Transfer OperationSequence of Automatic Operation ‹ 3.2.1 Auto PositionManual Transfer Operation ‹ 3.5.2 Transfer Back to Utility Power Source‹ 3.7.3 Overcrank Setting the Exercise Timer‹ 3.7.1 LOW OIL Pressure Switch ‹ 3.7.2 High Temperature Switch‹ 4.3.1 Engine OIL Recommendations Checking the Engine OIL LevelChanging the Engine OIL ‹ 4.5.1 7 KW, 12 KW and 15 KW Generators ‹ 4.3.2 OIL Change ProcedureChanging the OIL Filter Spark Plugs Battery MaintenanceCooling System Adjusting Valve ClearanceCorrosion Protection OUT of Service Procedure‹ 4.12.2 Return to Service ‹ 4.12.1 Removal from ServiceSYSTEM/COMPONENT Procedure Frequency Service ScheduleProblem Cause Correction Troubleshooting GuideElectrical Data Customer Battery SCR Electrical Data Connection BCR SW1 Exploded Views and Parts Lists Part NO.QTY. Description Exploded Views and Parts Lists Part NO. QTY. Description 140 Part NO. QTY Description Exploded Views and Parts Lists QTY Description 14 20 ADAPTOR, Engine Exploded Views and Parts Lists Stator 12KW Exploded Views and Parts Lists PIN, Piston D20 Exploded Views and Parts Lists SCREW, Taptite M6-1.0X8 Yellow Chrome For GT 760 Engine only CASTING, Twin Regulator Housing Mounting Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators California and Federal Emission Control Warranty Statement Emission Control System Warranty Warranty Schedule

04758-1, 04759-1, 04760-1 specifications

Generac Power Systems is a leading manufacturer of power generation equipment, particularly known for its innovative solutions in backup and portable power. Among its impressive product lineup, the Generac models 04758-1, 04759-1, and 04760-1 stand out for their reliability and advanced features, making them ideal choices for residential and commercial applications.

The Generac 04758-1 is a robust standby generator that delivers a powerful output of 22kW. It is designed to automatically kick in during power outages, ensuring that homes remain powered without the need for manual intervention. One of its main features is the innovative Mobile Link app, which allows users to monitor their generator's status remotely through their smartphones. This model also incorporates Generac's G-Force engine, which is designed with durability in mind, providing longer run times and enhanced performance.

The 04759-1 model builds on its predecessor's strengths by enhancing its power capabilities. With a 24kW output, it efficiently supplies power to larger homes or small businesses that require reliability during outages. Its True Power Technology ensures clean power output, making it suitable for sensitive electronics. The 04759-1 also boasts advanced diagnostic features, allowing for self-testing and maintenance alerts, which contribute to its user-friendly design.

Moving up in the lineup, the Generac 04760-1 generator further amplifies power output, reaching an impressive 26kW. This model is tailored for those who demand the utmost in power reliability, featuring an aluminized steel enclosure that enhances durability and rust resistance. The 04760-1 is equipped with Wi-Fi connectivity, enabling real-time updates and notifications directly to users’ mobile devices. Its superior sound attenuated design operates quietly, ensuring minimal disruption during operation.

All three models are equipped with the Quiet-Test technology, which allows for a low-decibel exercise cycle that reduces noise levels without sacrificing performance. Additionally, Generac back them with a comprehensive warranty and customer support, assuring consumers of their long-term reliability and effectiveness. With advanced features, superior performance, and innovative technology, the Generac 04758-1, 04759-1, and 04760-1 models offer dependable solutions for power generation needs, catering to a diverse range of applications while ensuring peace of mind during power interruptions.
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