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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Generac Power Systems 04390-1, 04456-1, 04389-1 owner manual Service Schedule, SYSTEM/COMPONENT Procedure Frequency

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.