Generac Power Systems 004992-1, 004992-0 ‹ 4.6.3 Battery Maintenance, ‹ 4.6.4 Battery Replacement

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Section 4 — Maintenance

Guardian 40kW Liquid-cooled Generators

‹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.

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.

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

 

 

27F

700 @ 0 deg. F

 

 

 

 

 

 

 

NOTE:

The BCI number

should be located directly

on the battery.

 

 

 

PERIODIC REPLACEMENT PARTS

Part Name

 

Generac’s Part Number

Oil Filter

 

# 0E7415

Radiator Cap

 

# 046627

Air Cleaner

 

# 0A4637

Spark Plug

 

Champion # RC12LC4

Generac® Power Systems, Inc. 19

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Contents Liquid-cooled, Prepackaged Standby Generators ‹ HOW to Obtain Service ‹ Operation and MaintenanceIntroduction ‹ Read this Manual ThoroughlyTable of Contents General Hazards Electrical Hazards Generator Transfer SwitchAutomatic 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 Generator Fuel SystemLifting the Generator UnpackingReconfiguring the Fuel System Specifications‹ 1.10.1 Generator Specifications ‹ 1.10.2 Engine SpecificationsBefore Installation Torque SpecificationsEngine OIL Recommendations Coolant RecommendationsGenerator Mounting Support Generator LocationBasic Standby Electric System ‹ 2.1.1 Nfpa StandardsEmergency Circuit Isolation Method Total Circuit Isolation MethodGenerator AC Neutral Connections Battery Installation Transfer Switch Signal Connections‹ 2.9.1 PRE-PACKAGED ATS ‹ 2.9.2 GTS-TYPE ATSPreparation Before START-UP ‹ 3.2.1 AUTO/OFF/MANUAL Switch Using AN Engineered GTS Transfer Switch‹ 3.2.2 Fault Indicator Leds Control Console Components‹ 3.2.5 SET Exercise Time Switch Engine Governor AdjustmentsManual Transfer START-UP ‹ 3.2.6 System Ready LEDWeekly Exercise Cycle Automatic OperationOverload Protection for Engine DC Electrical System Checking Fluid LevelsCooling System ‹ 4.5.8 Check FAN Belt ‹ 4.5.2 Check Battery‹ 4.5.9 Inspect Engine Governor ‹ 4.5.1 Check Engine OIL Level‹ 4.6.1 Cleaning the Generator Miscellaneous Maintenance‹ 4.5.11 Changing the Engine AIR Cleaner ‹ 4.5.13 Coolant Change‹ 4.6.4 Battery Replacement ‹ 4.6.3 Battery MaintenanceService Maintenance Interval Information Scheduled MaintenanceLevel Maintenance Level Problem Cause Correction Troubleshooting PointsElectrical Data Electrical Data Electrical Data Electrical Data Carrier Rear Bearing Hold Down Battery Assy WireBoot Battery Cable Battery Post Covwer BlackSee Latch Detail Assembly BASE-DOOR Ground Wire Assy GRD Wire 99HSBIntake Duct HSB Duct Discharge RH FrontGenerac Power Systems, Inc Control BOX HSB Assy 2A 12V UL BatteryCover Front Panel HSB Cover TOP Panel HSBGenerac Power Systems, Inc ASSEMBLY, Resistor COVER, Flywheel AccessFlexplate 3.9L HSB MACHINING, 3.9L EnginePump Radiator Copper Brass Tank Coolant RecoveryVENTURI,3.9L Cryslr HSB 22FAN Radiator Support L/H SideTo Engine Hold Down AIR Cleaner Base AIR Cleaner PlatePlate AIR Cleaner TOP Flange Fuel InletLeads Rotor 390 40KW 1P Direct HSB Rotor 390 30KW 1P Direct HSBSTR-390--40AD HSB 433MM LONG3.9L Chrysler Rear Bearing Carrier 390/DRCTOUT NUT TOP Lock FL M12-1.75WYE, 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