Cummins Standby Generator Maintenance Checklist

As a homeowner who has invested in a Cummins standby generator, it's essential to understand the importance of regular maintenance. By following a comprehensive maintenance checklist, you can ensure that your generator operates efficiently, providing uninterrupted power during emergencies.

Here are a few of the top items homeowners should review and check on a routine basis:

  1. Regular Inspections: Perform a visual inspection of your generator to identify any signs of wear, loose connections, or leaks. Check the fuel and coolant levels and ensure that the air intake and exhaust systems are clear of debris. Homeowners should perform this brief visual inspection after every storm and at least quarterly.
  2. Engine Oil: Regularly check and change the engine oil and filter every 200 engine hours or at least annually. Use care not to overfill engine oil as this can cause problems. Routine oil and filter changes will help maintain the generator's performance and extend its lifespan.
  3. Air Filter: Clean or replace the air filter according to the manufacturer's instructions. A clogged air filter can restrict airflow, leading to reduced efficiency and potential engine damage.
  4. Battery Maintenance: Inspect the battery for corrosion and ensure tight connections. Clean the terminals with a mixture of baking soda and water to prevent corrosion buildup. Test the battery regularly and replace it every 2 years.
  5. Cooling System: Liquid-cooled generators should be checked for appropriate coolant level and condition. If needed, top off the coolant or replace it as recommended by the manufacturer. Ensure that the radiator and cooling fins are clean to prevent overheating.
  6. Electrical System: Inspect all electrical connections, including wiring and terminals, for signs of damage or loose connections. Tighten any loose connections and replace damaged components promptly.
  7. Fuel System: For diesel generators, monitor the fuel quality and ensure the fuel lines, filters, and injectors are clean and functioning properly. Consider using a fuel stabilizer to prevent fuel degradation during long periods of inactivity.
  8. Load Testing: Regularly perform load tests to ensure that your standby generator can handle the anticipated electrical load during a power outage. Run the generator under load for 1-2 hours at least annually. This will help identify any potential issues before an emergency occurs. If you recently went through a power outage and the generator performed as desired, consider it your last Load Test Date.
  9. Cummins Professional Servicing: Schedule annual servicing with an authorized Cummins dealer in your area. These professionals are factory-trained in the equipment and can make warranty repairs if needed. Cummins professional technicians can also provide expert advice and diagnose any underlying issues that may not be apparent to an untrained eye.
  10. Consider an Extended Warranty from Cummins: Standard warranty coverage commences on the date your generator is placed in service. Save surprise out-of-pocket repair costs after standard warranty coverage expires. Extended warranty coverage is offered up to 10 years for most Cummins QuietConnect Generators. Extended warranties must be purchased within the first 2 years of service.

By following this maintenance checklist, you can ensure that your Cummins home standby generator operates at peak performance, providing you with reliable power when you need it most. Remember, proper maintenance is key to extending the lifespan of your generator and ensuring its reliability during emergencies.