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Whole-Home Generator Maintenance: What To Expect

Whole-Home Generator Maintenance
Reading Time: 3 minutes

A whole-home generator allows you to continue doing life when the lights go out. Electricity is something we can take for granted, but there’s no need to worry when we have a home generator. However, their ongoing practicality does come with the requirement of regular maintenance.

If you own a generator or are considering buying one, here are some important tips to give your generator the care that it needs. By following these steps, you’ll keep the lights on for years to come during any unwanted power outages.

Don’t Forget The Owner’s Manual

You might be thinking, who checks owner’s manuals these days? Well, when it comes to an advanced piece of technology, it makes sense to consult the manual.

Regularly checking your owner’s manual will help you to know what specific maintenance your generator requires. The Generac® range is model specific which means that you can’t apply the same treatment routine to all of them. A generator isn’t a purchase that you want to keep on having to make, so keep an eye on that manual!

Inspect Your Generator Monthly

A generator that runs regularly requires ongoing attention. Performing routine inspections will go a long way to keeping it in top shape. But what should you check?

Check The Oil Level

The first thing to do is to turn off your generator and let the oil settle and cool down for a few minutes. If the oil appears to be dark or dirty, or it smells off, then it’s time to change it.

If the oil needs to be changed, then empty the existing oil and replace it with new oil. It’s recommended to change your generator’s oil before every 100 hours of use. Changing oil isn’t something you want to get wrong, and it’s recommended to have a professional change it for you.

Clean Away Debris

As generators are commonly housed outside, debris can accumulate around them. You’ll want to remove any unwanted debris to prevent mold and moisture from being trapped close to the generator. Also, be on the lookout for any rodents or other pests that might be making the generator area their home. Generators should always have a clear perimeter around them.

Inspect The Battery

The battery is another part of a whole-home generator that requires regular attention. You should inspect the battery for any signs of corrosion or leaking. Pay close attention to the battery and make sure they’re both clean. Any loose cords or wires will need to be addressed.

Run Regular Self Cycles

Generators can sometimes sit for a couple of weeks or even months without being used. They’re designed to run and not sit still over prolonged periods. It’s for this reason, that a regular start-up of your generator will help keep it in better shape. Regular start-ups will also help you to notice any warning signs that may be present.

It’s recommended to run a weekly test cycle for around 20 minutes. This will be enough time to keep the various components operational. Over time you’ll become familiar with the noise that your generator makes, and you’ll know when something doesn’t sound right. Troubleshooting potential issues can be tricky and we recommend that you call a professional to do this for you.

Scheduled Maintenance Is A Must

It’s important to remember that a whole-home generator is an advanced piece of machinery that requires professional care. It’s recommended to carry out bi-annual scheduled maintenance on your generator unit. This should be carried out by the generator professionals as they will know your machine front to back. They’ll be able to pick up on any issues immediately.

Scheduled maintenance covers the following maintenance requirements:

  • Changing the oil and air filters
  • Replacing the spark plugs
  • Cooling system flushing
  • Inspecting the battery unit

Whole-Home Generator Scheduled Maintenance

At Art Plumbing, Air Conditioning & Electric, we are the whole-home generator specialists. As a Generac® Authorized dealer, we can offer you some of the best generators on the market. Our Select Dealer status means that we sell, install and service Generac® whole-home generators. We can also offer you a scheduled maintenance solution that will be best suited to your particular Generac® unit. Call one of our specialists today at 1-800-475-1504!


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