Generac Power Systems 04390-1, 04456-1 Service Schedule, SYSTEM/COMPONENT Procedure Frequency

Page 24

Section 4 — Maintenance

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

4.13 SERVICE SCHEDULE

ATTENTION: It is recommended that all service work

be performed by your nearest Generac/Guardian Authorized Dealer.

 

SYSTEM/COMPONENT

 

PROCEDURE

 

FREQUENCY

 

 

X = Action

Inspect

Change

Clean

W = Weekly

 

 

R = Replace as Necessary

 

 

 

M = Monthly

 

 

* = Notify Dealer

 

 

 

Y = Yearly

 

 

if Repair is Needed.

 

 

 

 

 

 

FUEL

 

 

 

 

 

 

Fuel lines and connections*

X

 

 

M

 

 

LUBRICATION

 

 

 

 

 

 

Oil level

X

 

 

M

 

 

Oil

 

X

 

AFTER BREAK-IN,

 

 

 

 

 

 

 

AND Y

 

 

Oil filter

 

X

 

AFTER BREAK-IN,

 

 

 

 

 

 

 

AND Y

 

 

COOLING

 

 

 

 

 

 

Enclosure louvers

X

 

X

W

 

 

BATTERY

 

 

 

 

 

 

Remove corrosion,

X

 

X

M

 

 

ensure dryness

 

 

 

 

 

 

Clean and tighten

X

 

X

M

 

 

battery terminals

 

 

 

 

 

 

Check charge state

X

R

 

EVERY 6 M

 

 

Electrolyte level

X

R

 

EVERY 6 M

 

 

(unsealed batteries only)*

 

 

 

 

 

 

ENGINE AND MOUNTING

 

 

 

 

 

 

Air cleaner

 

X

R

 

Y

 

 

Spark plug(s)

 

X

R

 

Y

 

 

GENERAL CONDITION

 

 

 

 

 

 

Vibration, Noise, Leakage,

X

 

 

M

 

 

Temperature*

 

 

 

 

 

 

COMPLETE TUNE-UP*

TO BE COMPLETED BY A GENERAC/

Y

 

 

 

 

GUARDIAN AUTHORIZED DEALER

 

 

 

 

 

 

 

 

 

 

22 Generac® Power Systems, Inc.

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Contents Installation Introduction Authorized Dealer LocationPost Installation Start-up Adjustments MaintenanceTroubleshooting Introduction Inside Front CoverGeneral Hazards Electrical Hazards ‹ Standards IndexUNPACKING/INSPECTION Protection SystemsSystem SET LED Your Generator 7 kW, Single Cylinder GH-410 EngineSpecifications ‹ 1.5.1 Generator‹ 1.5.2 Engine Reconfiguring the Fuel System Fuel Requirements RecommendationsFuel Consumption 1 7 KW, 410CC EngineTransfer Switch LocationGenerator 2.1 7 kW, 12 kW and 15 kW UnitsBattery Installation BatteryCheck Transfer Switch Operation Before Initial START-UPElectrical Checks Generator Tests Under Load Checking Automatic OperationAdjusting the Regulator Natural GAS only Engine Governor Adjustment1 7 KW Units Voltage Regulator Adjustment 2 12 KW and 15 KW UnitsBREAK-IN Procedure Automatic Transfer Operation‹ 3.2.3 Manual Position ‹ 3.2.1 Auto PositionSequence of Automatic Operation Manual Transfer OperationSetting the Exercise Timer ‹ 3.5.2 Transfer Back to Utility Power Source‹ 3.7.1 LOW OIL Pressure Switch ‹ 3.7.2 High Temperature SwitchChecking the Engine OIL Level Approximate Crank Cycle Times‹ 3.7.4 Overspeed ‹ 4.3.2 OIL Change Procedure Changing the Engine OILChanging the OIL Filter ‹ 4.3.1 Engine OIL RecommendationsBattery Maintenance Spark PlugsAdjusting GH-410/GT-990 Valve Clearance Cooling SystemOUT of Service Procedure ‹ 4.12.1 Removal from Service‹ 4.12.2 Return to Service Corrosion ProtectionService Schedule SYSTEM/COMPONENT Procedure FrequencyTroubleshooting Guide Problem Cause CorrectionElectrical Data Customer Battery Utility Battery Charger Utility Connection BCR Customer Connections Neutral Exploded Views and Parts Lists Part NO.QTY. Description Exploded Views and Parts Lists QTY Description Exploded Views and Parts Lists BOX GTS Load Center Exploded Views and Parts Lists COVER, 12 Position GTS Load Center Kit Contains BUSHING, Governor Lower 138 122 KNOB, AIR Cleaner 28 31 ADAPTOR, Engine Exploded Views and Parts Lists Stator 12KW Exploded Views and Parts Lists ASSEMBLY, Connecting ROD Exploded Views and Parts Lists SCREW, Taptite M6-1.0X8 Yellow Chrome Engine only Mounting Dimensions Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators Guardian Air-cooled 7 kW, 12 kW and 15 kW Generators Your Warranty Rights and Obligations MANUFACTURER’S Emission Control System Warranty CoveragePURCHASER’S/OWNER’S Warranty Responsibilities Emission Control System Warranty Emission Related Parts Include the FollowingWarranty Schedule This Warranty Shall not Apply to the Following

04389-1, 04456-1, 04390-1 specifications

Generac Power Systems is synonymous with reliable and innovative power solutions for both residential and commercial applications. Among its diverse product lineup, the Generac 04390-1, 04456-1, and 04389-1 stand out due to their robust features, advanced technologies, and user-focused characteristics.

The Generac 04390-1 is a portable generator designed for versatility and efficiency. It is equipped with a powerful OHV engine that enables it to deliver up to 3500 running watts and 4375 starting watts, making it suitable for various applications, such as home backup during outages or powering tools on job sites. The generator features a built-in PowerRUSH technology, which provides a 40% more starting capacity than traditional models, allowing it to handle more demanding appliances and tools simultaneously. Additionally, its lightweight and compact design enhance portability, complemented by a sturdy handle and flat-free wheels.

Moving on to the Generac 04456-1, this model offers a greater output with 7500 running watts and 9400 starting watts. Ideal for larger homes or work environments, it is powered by a heavy-duty, 420cc engine and designed for optimal performance. The unit incorporates an electric start feature for easy operation and includes a low-oil shutdown system that protects the engine from damage, providing peace of mind to users. The reinforced roll-cage design ensures durability, while its quiet operation keeps noise levels to a minimum, making it suitable for more noise-sensitive environments.

Lastly, the Generac 04389-1 generator is particularly characterized by its dual-fuel capability, allowing users to run it on either gasoline or propane. This flexibility ensures seamless operation in various situations, with 5500 running watts on gasoline and 4950 running watts on propane. The model’s advanced engineering includes an easy-to-read fuel gauge, ensuring that users can monitor fuel levels without hassle. This generator is also equipped with a heavy-duty, full-wrap steel frame for resistance against impacts and wear, making it perfect for outdoor use.

Collectively, the Generac 04390-1, 04456-1, and 04389-1 models embody a commitment to quality and innovation. With their powerful engines, enhanced technologies, and user-friendly features, these generators provide peace of mind through reliable power solutions, catering to a multitude of needs for both residential and commercial users alike. Whether for emergency backup or regular use, Generac’s offerings ensure that power is always on hand when it’s needed the most.
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