Generac 004189-1, 004188-1, 004475-1, 004371-2, 004474-1, 004370-2 owner manual Maintenance Level

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Section 6 — Scheduled Maintenance

Guardian Liquid-cooled 15 kW, 20 kW and 25 kW Generators

Maintenance

Level 1

 

Level 2

 

Level 3

 

Level 4

 

Tasks

Recom-

Task

Required

Task

Required

Task

 

Task

 

mended

Comp.

to be done

Comp.

to be done

Comp.

Required

Comp.

 

to be done

(Date-

3 months/

(Date-

Semi-

(Date-

to be done

(Date-

 

monthly/

Initials)

Break-in

Initials)

annually/

Initials)

Annually/

Initials)

 

10 hrs.

 

30 hrs.

 

50 hrs.

 

100 hrs.

 

13.Initiate an automatic start and transfer of the unit to site load and exercise it for at least 1 hour looking for

leaks, loose connections or components, and abnormal operating conditions. Correct as necessary.

14.Start and exercise the unit at full rated load (use a

load bank if the site load is not enough) for at least 2 hours looking for leaks, loose connections or components, and abnormal operating conditions. Correct as necessary.

15. Change the engine oil.

16.Replace the engine oil filter(s).

17.Replace the engine air filter(s).

18.Replace the engine fuel filter(s) on diesel engine driven units and re-prime the fuel system.

19.Check the engine spark plugs on gas engine driven units. Clean and re-gap or replace as necessary.

20.Perform a 5 minute no-load operational run of the unit looking for any post service problems.

21.Return the unit to standby

setup for operation when required.

Generac® Power Systems, Inc. 21

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Contents Power SYSTEMS, INC Introduction Authorized Service Dealer LocationOperation and Maintenance HOW to Obtain ServiceIntroduction IFC Safety Rules General Hazards Electrical Hazards Generator AC Connection Systems Transfer SwitchGenerator Automatic System OperationEngine Protective Devices High Coolant Temperature SwitchLOW OIL Pressure Switch LOW Coolant Level SwitchLifting the Generator SpecificationsUnpacking Engine OIL Recommendations Torque SpecificationsBefore Installation Fuel ConsumptionNfpa Standards Standby Generator InstallationGenerator Location Other Published StandardsEmergency Circuit Isolation Method Basic Standby Electric SystemTotal Circuit Isolation Method Grounding the GeneratorVented Batteries Transfer Switch Start Signal ConnectionsBattery Installation Prior to Initial START-UP Using a Standard GTS Transfer SwitchPreparation Before START-UP Control Console Components Automatic Operation Meter Reading Selector SwitchSET Exercise Time Switch Manual Transfer and Start UP Retransfer and ShutdownChecking Fluid Levels Engine HeaterCooling System Overload Protection for Engine DC Electrical SystemMaintenance OWNER/OPERATOR can Perform Coolant Change Changing the Engine AIR CleanerBattery Replacement Miscellaneous MaintenanceCleaning the Generator BatteryTroubleshooting Points Service Maintenance Interval Information Level Maintenance Level Electrical Data Electrical Data Electrical Data AC Outlet Outlet AC Circuit FED DOOR, Enclosure Ground Wire AssemblyBRACE, Side BumperGenerac Power Systems, Inc Hinge Slip Male RH Washer NylonHinge Slip Male LH Hinge Slip Female LHGenerac Power Systems, Inc SWITCH, Toggle Dpdt CMA BOX AssemblyRocker Switch Dpst SWITCH, Selector AMP/VOLTGenerac Power Systems, Inc Switch Dpst 5 125V SPD Rckr Switch 6A AMP/V SelectorHarness Wiring 1.5L DECAL, TRANS. Switch ConnGenerac Power Systems, Inc Radiator 1.5L Tank Coolant RecoveryBracket Coolant Recovery Tank Support RadiatorGenerac Power Systems, Inc NUT HEX M6 -1.0 G8 YEL CHR Venturi 1.5LGuard FAN Hose RES 5/8 RIA 250FFlat WASHER-M8 BASE, MountingISOLATOR-VIBRATION ISOLATOR, VibrationWasher Shakeproof EXT 5/16 STL Dampener VibrationWasher Flat M8 Earth StrapNipple TOE 2 NPT X 4.5 BLK Iron Muffler W/RAIN ShldMufflr Strap 6IN DIA Elbow 90 DEG 2 NPTFlex Pipe Exhaust Manifold Exhaust 1.5LNipple TOE 1.5 NPT X 6.5 BL Iron Pipe ExhaustCircuit Breaker 70 X 2 240V 39782 Brkt Silkscreen P PanelCover BQ Circuit Breaker Bracket Mounting Circuit BreakerPP Logic ASM 50/60HZ Harness CMA WireAssy Home Stdby Logic DECAL, CMA LabelBattery Post Cover RED+ ASSY,WIRE#16 REDBolt Battery Hold Down BAR Battery HolddownAssembly Carburator Linkage Housing Governor ConnectorConnector Interface Assembly Cover Connector HousingGenerac Power Systems, Inc Assy Rotor 20KW Housing BlowerAssy Rotor 10KW Assy Rotor 15KWGenerac Power Systems, Inc Solenoid GAS Fuel Cover AIR CleanerWeldment Mounting Base Flange Fuel InletGenerac Power Systems, Inc ENGINE-1.5L Switch OIL PressureARM Adjust Alternator Ground Wire StarterInstallation Air Outlet Air Intake Installation Air Intake PURCHASER’S/OWNER’S Warranty Responsibilities Your Warranty Rights and ObligationsMANUFACTURER’S Emission Control System Warranty Coverage Emission Related Parts Include the Following Emission Control System WarrantyThis Warranty Shall not Apply to the Following Warranty Schedule

004371-2, 004188-1, 004474-1, 004475-1, 004370-2 specifications

Generac Power Systems is renowned for its commitment to providing reliable power solutions, and their various models, including the Generac 004189-1, 004370-2, 004475-1, 004474-1, and 004188-1, showcase the company’s innovative engineering and technology. Each of these models is designed to meet diverse energy needs, ensuring homeowners and businesses can maintain power during outages or in remote locations.

The Generac 004189-1 is an essential model in the lineup known for its robust construction and user-friendly interface. It features a powerful engine, ensuring reliable power output and efficient fuel consumption. Additionally, its lightweight design makes it portable, allowing easy relocation to different sites. The model integrates advanced technology for automatic voltage regulation, safeguarding sensitive electronics while operating.

Moving on to the Generac 004370-2, this model emphasizes advanced start-up technology. It is equipped with a reliable electric start feature, minimizing the effort required to power up the generator. Its noise-dampening design significantly reduces sound levels, making it ideal for residential use without causing disturbances to neighbors. The unit also includes a durable metal enclosure that helps protect the generator from the elements and increases its lifespan.

The Generac 004475-1 model stands out for its enhanced fuel efficiency and low emissions. This eco-friendly design adheres to strict emissions regulations, making it a suitable choice for environmentally conscious users. Its intuitive control panel provides easy monitoring of power output, fuel levels, and maintenance needs, ensuring users can efficiently manage their energy requirements.

Similarly, the Generac 004474-1 exemplifies convenience and performance with its dual fuel capability, allowing it to operate on both gasoline and propane. This flexibility ensures users can easily switch fuels based on availability and cost-effectiveness. The model also boasts an extended runtime, capable of powering essential appliances and systems for prolonged periods during outages.

Finally, the Generac 004188-1 emphasizes ease of use, featuring a comprehensive user manual and a straightforward assembly process. The model provides ample power capacity, making it excellent for both emergency back-up and recreational activities. Its compact design allows storage in confined spaces, while its efficient cooling system prevents overheating during extended use.

Overall, these Generac models reflect the company's dedication to innovation, quality, and user satisfaction. With features aimed at enhancing convenience, performance, and environmental responsibility, they cater to the varying power demands of modern users.
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