Listed below is a helpful checklist to use as strive (work) to maintain standby generators. Maintain a list of how often these maintenance procedures should be performed.
Weekly Maintenance
• Start the generator and perform an automatic transfer switch workout cycle (usually no-load).
• Make that there are no sirens or warnings and that the unit operated.
• Make sure there is enough fuel.
• Check that the generator is automatically starting in “Auto” mode.
• Verify the circuit breaker is shut off.
• Verify that no fluid is leaking.
Monthly Maintenance
• Verify the engine’s coolant level.
• Verify the engine oil level.
• Verify the battery charger.
Periodic Maintenance (maintenance appointment with a professional technician)
• Look over the enclosure.
• Verify the specific gravity and electrolyte level of the battery.
• Inspect the battery connections and wires.
• Check the driving belts.
• Check the heater for coolant.
• Inspect connections and lines for coolant.
• Inspect the lubrication system hoses & connectors for signs of oil leaks.
• Inspect the fuel system hoses & connectors for damage and look for fuel leaks.
• Examine the muffler, exhaust pipe, and exhaust system.
• Inspect and clean the air purifiers.
• Examine the connections and pipework for air induction.
• Examine the control panel, accessories, and DC electrical system.
• Examine the accessories and wiring for the AC.
Annual Maintenance (maintenance appointment with a professional technician)
• Replace the filter and oil.
• Replace your fuel filter.
• Replace your air filter.
• Crankcase breather should be cleaned.
• Replace the spark plugs.
• Verify the coolant’s concentration.
• If necessary, flush the cooling system.
• Run tests on load banks.
• Fuel testing and conditioning (applicable exclusively to diesel-fueled units).
• Drain the fuel tank of any water (only applies to diesel-fueled units).
