Here’s a Standby Generator Maintenance Checklist to help guide you. Be sure to also take note of the frequency recommendations for these maintenance activities.

Weekly Maintenance

  • Run the generator (typically no-load, automatic transfer switch exercise cycle).
  • Verify that the unit ran and has no alarms or warnings.
  • Ensure adequate fuel levels.
  • Ensure that the generator is in “Auto” mode, for automatic startup.
  • Check that the circuit breaker is closed.
  • Make sure there are no fluid leaks.

Monthly Maintenance

  • Check: Engine coolant level. Engine oil level. And also the battery charger.

Bi-Annual Maintenance (Schedule maintenance with a certified technician.)

  • Inspect the enclosure.
  • Check the battery electrolyte level and also the specific gravity.
  • Check battery cables and also the connections.
  • Inspect drive belts.
  • Inspect the coolant heater.
  • Check; Coolant lines and connections. For oil leaks and inspect lubrication system hoses and connectors. For fuel leaks and inspect fuel system hoses and connectors.
  • Inspect the exhaust system, muffler and also the exhaust pipe.
  • Check and also clean air cleaner units.
  • Inspect: Air induction piping and connections. The DC electrical system, control panel and accessories. The AC wiring and accessories.

Annual Maintenance (Schedule maintenance with a certified technician.)

  • Change; Oil and filter. Fuel filter. Air filter.
  • Clean the crankcase breather.
  • Change spark plugs.
  • Also check coolant concentration.
  • Flush the cooling system (as needed).
  • Perform load bank testing.
  • Fuel testing & reconditioning (diesel-fueled units only).
  • Remove water from fuel tank (diesel-fueled units only).

We Hope the Standby Generator Maintenance Checklist Helped. Also call for more tips!

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