Annual Home Generator Maintenance Check-List
Why is an Annual Generator Checkup Important?
An annual generator checkup ensures that your home generator is ready to operate during a power outage. It's recommended to have a professional perform the checkup to ensure all components are functioning correctly. By conducting regular checkups, you can identify any potential issues and fix them before they become costly repairs. Cattahoula Electric LLC has come up with a comprehensive list for home generator owners to use.

Home Generator Annual Check List - Your Ultimate Guide to Maintenance
Are you a homeowner who relies on a generator during power outages? A generator can provide you with the backup power you need to keep your home comfortable and functional during an outage. However, your generator needs to be well-maintained to ensure it is ready when you need it most. One of the most important aspects of maintaining your generator is completing an annual maintenance check list. In this article, we will provide you with the ultimate home generator annual check list to keep your generator running smoothly and reliably.
Generator yearly maintenance checklist. (Engine, Alternator & Controls)
List of Services
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Change lubrication oilList Item 1
The lubrication oil in your generator should be changed annually or after every 100 hours of use, whichever comes first. Use a high-quality oil recommended by the manufacturer.
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Replace oil filter and inspect baseList Item 2
Replace the oil filter and inspect the base for any signs of wear or damage.
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Replace spark plugs as neededList Item 3
Spark plugs should be replaced if they show signs of wear or are fouled.
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Inspect ignition coil wires and plug capsList Item 4
Inspect the ignition coil wires and plug caps for any signs of damage or wear.
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Inspect cooling system and top off radiator
Inspect the cooling system and clean the fins. Top off the radiator with coolant (liquid-cooled up to 1 gallon) as needed.
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Inspect fan guard for condition and security
Check the fan guard for any signs of wear or damage. Ensure it is securely in place.
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Inspect and clean air filter and pre-cleaner
Inspect and clean the air filter and pre-cleaner. Replace them if necessary.
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Replace fuel filters Write a description for this list item and include information that will interest site visitors. For example, you may want to describe a team member's experience, what makes a product special, or a unique service that you offer.
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Inspect engine gaskets, breathers and fuel regulation components Write a description for this list item and include information that will interest site visitors. For example, you may want to describe a team member's experience, what makes a product special, or a unique service that you offer.
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Inspect and adjust engine belts, hoses, and clamps
Inspect the engine belts, hoses, and clamps for any signs of wear or damage. Adjust them if necessary.
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Lubricate governor and carburetor linkage
Lubricate the governor and carburetor linkage to ensure they are functioning properly.
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Load test battery and record VDC readings Write a description for this list item and include information that will interest site visitors. For example, you may want to describe a team member's experience, what makes a product special, or a unique service that you offer.
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Service battery Write a description for this list item and include information that will interest site visitors. For example, you may want to describe a team member's experience, what makes a product special, or a unique service that you offer.
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Check and record battery static and running charging rates Write a description for this list item and include information that will interest site visitors. For example, you may want to describe a team member's experience, what makes a product special, or a unique service that you offer.
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Inspect engine and electrical safety shutdown devices
Inspect the engine and electrical safety shutdown devices to ensure they are functioning properly.
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Inspect unit for excessive noise or vibrations
Inspect the unit for excessive noise or vibrations that could indicate a problem.
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. Inspect mounting bolts, brackets, and coupling connections
Inspect the mounting bolts, brackets, and coupling connections for any signs of wear or damage.
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Check, calibrate, and record AC output Voltage & Frequency
Check, calibrate, and record the AC output voltage and frequency to ensure the generator is producing the correct output.
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Inspect Engine, Alternator, and Control Wiring Write a description for this list item and include information that will interest site visitors. For example, you may want to describe a team member's experience, what makes a product special, or a unique service that you offer.
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Inspect and Clear Dampers, Louvers, and Air Intakes
The air intake system on your generator is responsible for bringing in clean air to help fuel combustion. Over time, dampers, louvers, and air intakes can become clogged with debris, which can lead to poor engine performance or even engine damage. Inspect these components regularly and clean or replace them as needed.
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Wipe Down Outside of Generator and Engine Write a description for this list item and include information that will interest site visitors. For example, you may want to describe a team member's experience, what makes a product special, or a unique service that you offer.
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Update Via Laptop Computer, Main Controller OEM Firmware as Updates Become Available
As with any piece of technology, your generator's firmware can become outdated over time. Manufacturers may release updates that address issues or improve performance. Check the manufacturer's website regularly for updates, and use a laptop computer to update the main controller OEM firmware as needed.
Automatic Transfer Switch Check List
List of Services
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Inspect for Overheated Power Terminals and LugsList Item 1
The automatic transfer switch is responsible for transferring power from the utility grid to your generator during a power outage. It is important to inspect the power terminals and lugs regularly for signs of overheating or damage. Overheating can indicate a loose connection, which can lead to a fire or other damage.
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Inspect Control Board Wiring and ConnectionsList Item 2
The control board is the "brain" of your automatic transfer switch, and it is responsible for controlling the transfer of power. Inspect the control board wiring and connections regularly to ensure that they are secure and in good condition.
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Check and Adjust Exercise Clock Setting (As Needed)List Item 3
The exercise clock setting determines how often your generator runs a self-test to ensure that it is functioning properly. Check the exercise clock setting regularly and adjust it as needed to ensure that your generator is running self-tests at appropriate intervals.
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Inspect Mechanical Switchgear MechanismList Item 4
The mechanical switchgear mechanism is responsible for physically transferring power from the utility grid to your generator. Inspect this mechanism regularly for signs of wear or damage, and replace any components that appear to be in poor condition.
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heck Time Delays (As Needed)
The automatic transfer switch may have built-in time delays to ensure that power is transferred safely and efficiently. Check the time delays regularly and adjust them as needed to ensure that they are functioning properly.
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Perform Power Outage Simulation
Finally, it is important to perform a power outage simulation to ensure that your generator and automatic transfer switch are functioning properly. With permission from your utility company, turn off power to your home and allow your generator to kick in. This will simulate a real power outage and ensure that your system is working as intended.
Contact Catahouula Electric LLC
Performing regular maintenance on your home generator is essential to ensure that it is functioning properly when you need it most. Use this Home Generator Annual Check List to guide your maintenance efforts, and consult with a professional if you are unsure about any aspect of generator maintenance. With proper maintenance, your generator can provide reliable power for years to come.
