Here’s a list of recommended maintenance procedures for whole-home standby generators based on their fuel type:

For Natural Gas-Powered Standby Generators:

  1. Check the oil level – Replace if necessary, and after every 100 hours of operation or at least annually.
  2. Inspect air filter – Clean or replace the air filter every 100 hours or annually.
  3. Inspect spark plugs – Clean and re-gap or replace spark plugs annually or as needed.
  4. Inspect the battery – Check the battery charge and terminals; clean and tighten as necessary.
  5. Test run the generator – Conduct a weekly test run to ensure operational readiness.
  6. Check for leaks – Inspect the fuel lines for signs of leaks or damage.
  7. Inspect the cooling system – Check coolant levels and the integrity of hoses and connections.
  8. Check the enclosure – Ensure the generator’s enclosure is clean and unobstructed.
  9. Review the condition of the belts – Look for wear or cracks and adjust tension or replace as needed.
  10. Examine the exhaust system – Check for blockages, leaks, or signs of corrosion.

For Propane-Powered Standby Generators:

  1. Check the oil level – Change the oil and filter after every 100 hours of operation or annually.
  2. Air filter maintenance – Clean or replace the air filter every 100 hours or annually.
  3. Spark plug maintenance – Clean and re-gap or replace spark plugs annually.
  4. Battery maintenance – Ensure the battery is fully charged and connections are secure.
  5. Weekly exercise cycle – Run the generator under load weekly to test functionality.
  6. Fuel system inspection – Check propane tank levels and inspect for leaks or regulator issues.
  7. Cooling system check – Ensure proper coolant levels and check for leaks.
  8. Enclosure and intake/exhaust inspection – Keep the generator free of debris and ensure proper ventilation.
  9. Belt inspection – Inspect for proper tension and signs of wear.
  10. Exhaust system check – Look for obstructions or damage to the exhaust components.

For Diesel-Powered Standby Generators:

  1. Oil level and quality check – Change oil and filter every 100 hours of operation or as recommended by the manufacturer.
  2. Air filter inspection – Service or replace the air filter according to the maintenance schedule or as needed.
  3. Fuel filter replacement – Replace fuel filters at every oil change or as indicated by the maintenance schedule.
  4. Battery check – Maintain battery fluid levels and check that connections are clean and tight.
  5. Regular exercise – Run the generator under load at least monthly to verify proper operation.
  6. Fuel system maintenance – Inspect for any fuel leaks and ensure fuel quality; drain water from the fuel tank if necessary.
  7. Coolant level check – Maintain proper coolant levels and inspect the system for leaks.
  8. Inspect generator enclosure – Keep the enclosure clean and ensure there’s no blockage in the air intake or exhaust.
  9. Drive belts inspection – Check belt tension and wear, replacing as needed.
  10. Exhaust system and muffler check – Inspect for corrosion, damage, or blockages.

Remember, the specific intervals and procedures can vary based on the manufacturer’s recommendations and the environmental conditions in which the generator operates. It’s also important to keep a log of all maintenance activities. Always refer to the owner’s manual for your particular model for the most accurate maintenance information.