A Complete Generator Maintenance Checklist

When your power suddenly goes out in a big storm, the last thing you want to do is dig around for a flashlight or candles. Performing generator maintenance on your back-up power source will keep your house running smoothly during a power outage.

Here are a few handy checklists so you can keep up with the regular generator maintenance and keep your lights, appliances, and other necessities on. 

Generator Maintenance Supplies List

While you may have to call an electrician or general contractor near you to fix any major issues with your generator, you can take simple steps to ensure it stays in working order. You’ll need some basic cleaning supplies and a few other essentials to make sure your generator continues running smoothly. 

• Air filters

• Duster

• Oil pan 

• Gas can

• Work gloves (rubber, latex, or cloth)

• Cleaning spray 

Daily Generator Maintenance Checklist

Inspecting your generator daily might seem tedious, but you’ll thank yourself if an emergency arises. This checklist should be performed daily and each time your generator has been in use. 

• Check for evidence of oil leaks

• Ensure the fuel tank is empty to prevent corrosion (only after each use)

• Change the oil (after 25 hours of use)

• Address any warning lights or alarms

Weekly Generator Maintenance Checklist

Week by week, maintaining your generator is fairly simple. These weekly tasks can help extend its life and ensure it is ready for use in case of an emergency. 

• Test the batteries

• Look for signs of pest damage

• Inspect for oil leaks and corrosion

• Top up oil and coolant levels, if necessary 

• Make sure the exhaust and intake are clear of debris

Monthly Generator Maintenance Checklist

During monthly generator maintenance, you should be looking to catch any issues before they prevent your generator from running when you need it most. Here is what you should check each month to keep the power on for your household:

• Perform a test start

• Inspect the battery for corrosion

• Check coolant and oil levels

• Look for leaks

• Address signs of pests or animal damage

• Clean battery cables and cell ports

• Replace spark plugs if needed

• Test the emergency stop button

• Replace the fuel filter (as needed)

• Replace the oil filter (as needed)

Seasonal Generator Maintenance Checklist

Seasonal generator maintenance comes with the longest checklist, but you’ll only need to complete it once per year to keep your generator running well. 

• Call a generator professional to service your generator

• Recalibrate gauges and meters

• Clean the generator enclosure

• Test spark plugs and replace them if necessary

• Test the battery

• Tighten any electrical connections

• Replace the fuel filter

• Replace the air filter

• Perform a full test of the generator 

• Test the emergency stop button

• Ensure safety features are operating properly

• Inspect belts and hoses for wear

• Visually inspect the entire unit for corrosion or damage