At a minimum your generator should be serviced every year. This ensures that your generator is ready to perform in the event of a power loss.
Annual Maintenance Includes:
Change Oil & Filter
Change Air Filter
Change Spark Plug
Change Coolant (if applicable)
Battery Test for correct voltage and charge
Frequency Test
Fuel Pressure Test
Load Transfer Test of System
Visual Check of exterior for leaks, rust, location suitability & clearances etc.
Visual Inspection of fuel lines & connections for wear
Visual Inspection of AC/DC electrical connections
Check for any additional maintenance issues or service recommendations.