The Ultimate Guide to Generator Maintenance Services: Checklist Included

Power outages don’t wait for a convenient time—they can happen during a storm, a late-night work call, or while you’re cooking dinner. That’s why having a reliable generator is more than just a convenience—it’s peace of mind. Regular generator maintenance services keep your system running smoothly and prevent costly repairs. At GAGE, we’ve helped Baton Rouge families and businesses stay powered, safe, and comfortable no matter what. If you’re enrolled in our Generator Maintenance program, we handle these tasks for you automatically with two scheduled visits per year. That means peace of mind—you don’t have to track maintenance dates or worry about checklists. If you’re not on the Generator Maintenance program, here are the key steps to help you keep your generator reliable year-round.
We provide professional generator maintenance services and generator repair in Baton Rouge and all of South Louisiana—to keep homes and businesses running smoothly. Even before calling in the experts, there are simple steps you can take throughout the year to extend the life of your generator.
Below, we’ve put together the ultimate generator maintenance checklist—including monthly, quarterly, and annual tasks—so you know exactly how to keep your generator reliable year-round.
Monthly Generator Maintenance Checklist
These small but consistent steps prevent issues before they start.
- Run your generator for about 30 minutes to keep fluids moving and the battery charged.
- While it’s running, listen carefully to make sure everything sounds normal.
- For safe operation, follow CDC generator safety tips.
- Check fuel levels and refill if necessary.
- Inspect oil levels and top off as needed.
- Look for leaks (oil, coolant, or fuel).
- Clear debris around your unit to ensure proper ventilation.
Quarterly Generator Tune-Up
A little extra attention every few months can make a big difference.
- Inspect and clean the battery connections to avoid starting problems.
- Check coolant levels and add fluid if low.
- Test the transfer switch to make sure power automatically shifts during an outage.
- Replace or clean air filters if needed.
- Run a load test to confirm the generator can handle the necessary power output.
Biannual Generator Maintenance Services
Customers on our Generator Maintenance program don’t need to schedule anything—we handle it automatically with two visits per year. For those not on the program, it’s recommended to schedule at least one professional maintenance visit annually to cover the in-depth tasks. Think of it like giving your generator a check-up—a little care now can save big headaches later and keeps your home or business powered through storms or unexpected outages.
- Change the oil and filters to keep the engine healthy.
- Replace spark plugs for efficient ignition.
- Inspect belts and hoses for wear and tear.
- Flush and replace coolant if recommended by the manufacturer.
- Have a technician perform a full diagnostic test to catch hidden issues before they become costly repairs.
Why Professional Care Matters
While some tasks are easy DIY, others require the expertise of trained technicians. A professional team can ensure every component is tested, adjusted, and ready when you need it most. At GAGE, our local experts provide generator repair in Baton Rouge and scheduled maintenance to give you peace of mind year-round. With our Generator Maintenance program, you can skip the hassle of scheduling—our technicians take care of everything on a regular schedule, so you’re always ready when the power goes out.
Keep Your Generator Ready—All Year Long
A generator is only as reliable as the care it receives. By following this generator maintenance checklist, you can protect your investment and guarantee backup power whenever you need it.
Keeping your generator ready doesn’t have to be stressful. Follow this checklist, and you’ll have peace of mind knowing your home or business is protected. Need help? Contact us today to schedule professional generator servicing and maintenance you can count on.