Generac 005031-0 (25kW) Scheduled Maintenance, Service Maintenance Interval Information

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Section 4 — Maintenance

Liquid-cooled 15, 20 and 25 kW Generators

4.10 SCHEDULED MAINTENANCE

The following is a recommended maintenance schedule for small standby and residential generator sets. The established intervals in the schedule are the maximum recommended when the unit is used in an average service application. They will need to be decreased (performed more frequently) if the unit is used in a severe application. Use calendar time from the previous maintenance interval to determine the next required maintenance interval.

Service Maintenance Interval Information:

The various service maintenance intervals are designated by interval numbers as follows:

1An early inspection of the generator set to insure it is ready to operate when required and to identify any poten- tial problem areas.

Performed monthly this requires approximately .5 man-hours per unit to complete.

This inspection may be performed by the end user providing the following safety steps are taken to prevent the engine from starting automatically without warning:

To prevent injury, perform the following steps in the order indicated before starting any maintenance:

Disable the generator set from starting and/or connecting to the load by setting the control panel AUTO/OFF/MANUAL switch to the OFF position.

Remove the 5 amp and 15 amp control panel fuses.

Turn off the battery charger (turn OFF utility supply to ATS).

Remove the negative battery cable.

The battery charger must be turned off BEFORE removing the battery cable to prevent an over current condi- tion from burning out sensitive control panel components and circuits.

Following all maintenance, reverse these steps to assure the unit is returned to standby setup for normal operation when required.

2A break-in service inspection of the generator set to insure it is ready to operate and carry the load when required, and to identify any potential problem areas.

Performed ONLY ONCE following the first three months of operation after purchase of the unit and requires approximately 2.5 man-hours per unit to complete.

This inspection contains some maintenance tasks which require special tools, equipment, and/or knowledge to accomplish and should be performed only by an Authorized Service Dealer.

3An operational inspection of the generator set to insure it is ready to operate and carry the load when required, and to identify any potential problem areas.

Performed semi-annually this requires approximately 1.5 man-hours per unit to complete.

This inspection contains some maintenance tasks which require special tools, equipment, and/or knowledge to accomplish and should be performed only by an Authorized Service Dealer.

4A mid-level inspection of the generator set to insure it is ready to operate and carry the load when required, and to identify any potential problem areas.

Performed annually this requires approximately 4.0 man-hours per unit to complete.

This inspection contains some maintenance tasks which require special tools, equipment, and/or knowledge to accomplish and should be performed only by an Authorized Service Dealer.

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Contents This manual should remain with the unit ‹ HOW to Obtain Service Authorized Service Dealer Location‹ Operation and Maintenance IntroductionTable of Contents General Hazards Electrical Hazards ‹ Standards IndexEngineered Transfer Switch Wire Start GTS Mode Transfer SwitchAutomatic Transfer Switch ATS Mode GeneratorMain Circuit Breaker ‹ 1.8.1 LOW OIL Pressure Switch‹ 1.8.2 High Coolant Temperature Switch Generator Fuel SystemUnpacking Lifting the GeneratorAWSF-52-C SpecificationsFuel Consumption Engine OIL Recommendations Before InstallationCoolant Recommendations ‹ 2.1.1 Nfpa Standards Generator LocationGenerator Mounting Support ‹ 2.1.2 Other Published StandardsGrounding the Generator Basic Standby Electric SystemTotal Circuit Isolation Method Emergency Circuit Isolation MethodConnection Diagram ATS Mode Generator AC Neutral ConnectionsConnection Diagram GTS Mode Battery Installation ‹ 2.11.1 Vented BatteriesPreparation Before START-UP Control Console Components Manual Transfer START-UPEngine Governor Gain Adjustments Bat Red Oil Red Temp Red Speed Red Crank RedWeekly Exercise Cycle Manual Retransfer ShutdownAutomatic Operation Control Board DIP Switch Settings Voltage Regulator AdjustmentExhaust Manifold Procedure Intake Manifold ProcedureOverload Protection for Engine DC Electrical System Cylinder Head ProcedureCooling System Checking Fluid Levels‹ 4.7.3 Engine Coolant ‹ 4.7.2 Battery Fluid ‹ 4.8.6 Perform Visual Inspection‹ 4.8.2 Check Battery ‹ 4.8.1 Check Engine OIL Level‹ 4.9.1 Cleaning the Generator Miscellaneous Maintenance‹ 4.8.11 Changing the Engine AIR Cleaner ‹ 4.8.13 Coolant ChangePeriodic Replacement Parts ‹ 4.9.3 Battery Maintenance‹ 4.9.4 Battery Replacement Scheduled Maintenance Service Maintenance Interval InformationLevel Maintenance Level Troubleshooting Points Problem Cause CorrectionLiquid-cooled 15, 20 and 25 kW Generators Liquid-cooled 15, 20 and 25 kW Generators Electrical Data Electrical Data Electrical Data Electrical Data Electrical Data Electrical Data Electrical Data Electrical Data Page Assembly Battery Tray Support Battery TrayHold Down Battery Battery Post Cover BlackTo B Duct Intake MID AL 2.5L Assy Wire 14AWG 7.5 #0 GRN/YELDoor Battery Compartment Duct Discharge RH AL 2.5LPage Hang TAG 2 Wire Start not Shown Switch ROC Dpst 125V SPDSwitch ROC Dpdt ON-OFF-ON TOP, Control PanelPage Harness Ctrl PNL 2.5L Ford AL not Shown 13 17 STARTER, 12 Volt Tank Coolant RecoveryEngine 2.5L Ford NUT HEX M10-1.5 G8 YEL CHRTo Engine GASKET, AIR Cleaner Adapter Body Carburetor AssemblyCover AIR Cleaner Bracket Fuel RegulatorLocktight Rotor 390 25KW 1P Direct HSB 2.5L Ford Rotor 390 15KW 1P Direct HSB 2.5L FordRotor 390 20KW 1P Direct HSB 2.5L Ford Rotor 390 40KW 1P Direct HSB 3.9L ChryslerMuffler 2.5L Ford Pipe Muffler OUTPipe Exhaust 2.5L Ford Saddle 2 InchASM Motor Stepper Housing Governor ConnectorCover Connector Housing Harn GOV 2.5L FordALM HOSE, 2.5L Ford LowerBarbed STR 1/4 NPT X 3/8 Radiator 2.5L FordInstallation Diagram PURCHASER’S/OWNER’S Warranty Responsibilities Your Warranty Rights and ObligationsMANUFACTURER’S Emission Control System Warranty Coverage Emission Control System Warranty Emission Related Parts Include the FollowingThis Warranty Shall not Apply to the Following

005030-0 (15kW), 005031-0 (25kW) specifications

Generac has long been recognized as a leader in backup power solutions, and its 005031-0 (25kW) and 005030-0 (15kW) home standby generators exemplify the brand's commitment to reliability and performance. Designed for residential use, these generators provide peace of mind during outages, ensuring that homes remain powered even in the most challenging conditions.

One of the standout features of both models is their advanced Generac G-Force engine, which is engineered for longevity and impressive power output. The G-Force engine is built from the ground up for generator use, refined to handle the unique demands of continuous operation. This results in a highly durable system that requires little to no maintenance, making it a favored choice for homeowners looking for a reliable energy solution.

Another important characteristic is the True Power technology featured in both generators. This technology delivers clean, stable power that is safe for sensitive electronics and appliances. It ensures that devices such as computers and medical equipment operate smoothly without the risk of damage from power fluctuations. Additionally, the Generac 005031-0 and 005030-0 generators are equipped with the Quiet-Test mode, allowing them to run at lower RPMs during routine weekly self-tests. This innovation significantly reduces the noise produced during tests, making it less disruptive for residents.

Furthermore, these generators come with a user-friendly interface and a mobile link app, enabling homeowners to monitor their generator's performance remotely via a smartphone. This feature enhances convenience, allowing users to receive alerts and notifications about their generator's status, maintenance needs, and operation conditions right from their devices.

Both the 25kW and 15kW models are also designed with a robust transfer switch, which seamlessly shifts power from the grid to the generator in case of any outages. This automatic transfer feature ensures that homes maintain power without needing manual intervention, making them ideal for those who want uninterrupted electricity.

In terms of fuel source, both models operate on natural gas or propane, providing flexibility to homeowners regarding fuel availability and preferences. With excellent warranty options and Generac's reputation for quality, both the 005031-0 (25kW) and 005030-0 (15kW) generators stand as dependable choices for safeguarding homes from the unpredictability of power outages.