Generac Power Systems 004988-1 ‹ 4.6.3 Battery Maintenance, ‹ 4.6.4 Battery Replacement

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Section 4 — Maintenance

Guardian Liquid-cooled 27 kW and 30 kW Generators

•DO NOT recharge a weak battery while it is installed in the generator. Remove battery from generator and recharge in a well-ventilated area, away from fuel vapors, sparks, heat or flames.

•Battery electrolyte fluid is an extremely caustic sulfuric solution that can cause severe burns. DO NOT permit fluid to contact eyes, skin, clothing, painted surfaces, wiring insulation, etc. If any bat- tery fluid is spilled, flush the affected area with clear water immediately.

•Always wear safety glasses, rubber apron and gloves when handling a battery.

•Batteries give off explosive hydrogen gas while charging. The gas can form an explosive mixture around the battery for several hours after charging. Any spark, heat or flames can ignite the gas and cause an explosion which can shatter the battery, causing blindness or other serious injury.

‹4.6.3 BATTERY MAINTENANCE

The battery should be inspected per the “Service Schedule,” Section 6. The following procedure should be followed for inspection:

1.Inspect the battery posts and cables for tightness and corrosion. Tighten and clean as necessary.

2.Check the battery fluid level of unsealed batteries and, if necessary, fill with DISTILLED WATER ONLY. DO NOT USE TAP WATER IN BATTERIES.

3.Have the state of charge and condition checked. This should be done with an automotive-type bat- tery hydrometer.

Spilled electrolyte is to be washed down with ! an acid neutralizing agent. A common practice is to use a solution of one pound (500 grams) bicarbonate of soda to one gallon (4 liters) of

water. The bicarbonate of soda solution is to be added until the evidence of reaction (foaming) has ceased. The resulting liquid is to be flushed with water and the area dried.

Do not use any jumper cables or booster bat- ! tery to crank and start the generator engine. If

the battery has completely discharged, remove it from the generator for recharging.

Be sure the AUTO/OFF/MANUAL switch is set to ! the OFF position before connecting the battery cables. If the switch is set to AUTO or MANUAL,

the generator can crank and start as soon as the battery cables are connected.

Be sure the UTILITY power supply is turned off, or sparking may occur at the battery posts as the cables are attached and cause an explosion.

‹4.6.4 BATTERY REPLACEMENT

When replacing batteries, use the same number and the type of battery that follows:

 

BCI Group No.

CCA

 

 

26/26R

525 @ 0 deg. F

 

 

27

600 @ 0 deg. F

 

 

 

 

 

DANGER

Storage batteries give off explosive hydrogen

gas. This gas can form an explosive mixture around the battery for several hours after charging. The slightest spark can ignite the gas and cause an explosion. Such an explosion can shatter the battery and cause blindness or other injury. Any area that houses a storage battery must be properly ventilated. Do not allow smoking, open flame, sparks or any spark producing tools or equipment near the battery.

Battery electrolyte fluid is an extremely caustic ! sulfuric acid solution that can cause severe

burns. Do not permit fluid to contact eyes, skin, clothing, painted surfaces, etc. Wear protective goggles, protective clothing and gloves when handling a battery. If the fluid is spilled, flush the affected area immediately with clear water.

NOTE:

The BCI number should be located directly on the battery.

 

PERIODIC REPLACEMENT PARTS

Part Name

 

Generac’s Part Number

Oil Filter

 

# 0E7180

Radiator Cap

 

# 046627

Air Cleaner

 

# 0C8127

Spark Plug

 

# 0E7079

18 Generac® Power Systems, Inc.

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Contents Liquid-cooled, Prepackaged Standby Generators Authorized Service Dealer Location ‹ Operation and Maintenance‹ HOW to Obtain Service IntroductionTable of Contents General Hazards Electrical Hazards Transfer Switch GeneratorAutomatic System Operation Generator AC Connection Systems‹ 1.7.2 High Coolant Temperature Switch ‹ 1.7.1 LOW OIL Pressure Switch‹ 1.7.3 LOW Coolant Level Switch Engine Protective DevicesUnpacking Lifting the GeneratorSpecifications Reconfiguring the Fuel System‹ 1.10.1 Generator Specifications ‹ 1.10.2 Engine SpecificationsTorque Specifications Before InstallationEngine OIL Recommendations Coolant RecommendationsGenerator Mounting Support Basic Standby Electric SystemGenerator Location Emergency Circuit Isolation MethodTransfer Switch Signal Connections Total Circuit Isolation MethodGrounding the Generator Generator AC Neutral ConnectionsBattery Installation ‹ 2.11.2 Transfer SwitchPreparation Before START-UP ‹ 2.11.1 Prior to Initial START-UPUsing a Standard GTS Transfer Switch Control Console ComponentsManual Transfer START-UP Engine Governor Adjustments ‹ 3.2.2 Fault Indicator LED‹ 3.2.5 SET Exercise Time Switch ‹ 3.2.6 System Ready LEDAutomatic Operation Weekly Exercise CycleRetransfer and Shutdown Cooling System Overload Protection for Engine DC Electrical SystemChecking Fluid Levels ‹ 4.5.2 Check Battery ‹ 4.4.3 Engine Coolant‹ 4.5.1 Check Engine OIL Level ‹ 4.5.3 Exercise SystemMiscellaneous Maintenance ‹ 4.5.11 Changing the Engine AIR Cleaner‹ 4.6.1 Cleaning the Generator ‹ 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 CorrectionInstallation Diagram Customer Connection PCB J2 ICT LOS WLS HCT Starter Carrier Bolt Boot Battery Cable Battery Post Cover BaclkBattery Post Cover RED + Hold Down Battery32 18 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 HSB512 Wire SET 3.0L Ford not Not SHOWN-USED to Hold OIL Drain AssemblyWasher Lock M12 Bracket DC ALT 3.0L FordFrame Tank Coolant Recovery Radiator R-IN,L-OUTVenturi 3.0L Ford HSB Side Support Radiator HSBNER Weldment Mounting Base Flange Fuel InletAssy Regulator 3.0L NG or LPV Washer Flat 5/16 ZincLeads Rotor 390 15KW 1P Direct HSB 2.5L Ford Rotor 390 20KW 1P Direct HSB 2.5L FordRotor 390 25KW 1P Direct HSB 2.5L Ford Rotor 390 40KW 1P Direct HSB 3.9L ChryslerMUFFLER, 3.0L Ford Gasket Exhaust RingMufflr Strap 6IN DIA HSB Washer Lock 3/8 SSELEMENT, AIR Cleaner Cover AIR CleanerTube AIR Intake 3.0L Ford Washer Flat M5Guardian Liquid-cooled 27 kW and 30 kW Generators Guardian Liquid-cooled 27 kW and 30 kW Generators This Warranty Shall not Apply to the Following

004988-1 specifications

Generac Power Systems has established itself as a leader in the generator industry, and the Generac Power Systems 004988-1 model exemplifies the company’s commitment to innovation, reliability, and performance. This standby generator is designed to provide seamless power solutions for both residential and commercial applications, ensuring that users remain connected and comfortable even during power outages.

One of the standout features of the 004988-1 model is its automatic transfer switch (ATS), which allows for instant power restoration within seconds of an outage. The ATS continuously monitors the electrical supply and automatically engages the generator when it detects a power failure, eliminating any stress or inconvenience for the user. This feature is particularly beneficial for those who may be away from home during an outage or for businesses that cannot afford downtime.

The 004988-1 is equipped with a powerful engine capable of delivering up to 20 kilowatts of backup power, sufficient to support essential household appliances and systems, such as HVAC, refrigeration, and lighting. Its robust construction ensures durability and longevity, equipped to withstand the rigors of extended use in various environmental conditions.

Another significant characteristic of this model is its emission-friendly design. Generac has incorporated advanced technologies to meet and exceed EPA standards, resulting in a cleaner and more environmentally friendly operation. The generator runs on natural gas or liquid propane, providing users with flexible fuel options and reducing dependency on traditional fuel sources.

Moreover, the 004988-1 comes with smart technology features, including Wi-Fi connectivity. This allows users to monitor and control their generator remotely via a smartphone app. Users can receive real-time notifications, monitor power usage, and conduct maintenance checks, ensuring peak performance of their generator.

The quiet operation of the 004988-1 is also noteworthy, making it an attractive option for residential areas where noise levels can be a concern. Generac has integrated sound-dampening technology, ensuring that the generator operates with minimal noise, allowing users to enjoy peace of mind without disruption.

In summary, the Generac Power Systems 004988-1 is a robust, reliable, and technologically advanced generator that seamlessly integrates into any household or commercial setup. With its automatic transfer switch, high power output, environmentally friendly design, smart technology features, and quiet operation, it stands out as an excellent choice for individuals seeking a dependable power solution for any situation.
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