How often should I perform maintenance on my Cummins Onan generator?

To ensure optimal performance and longevity of your Cummins Onan generator, regular maintenance is crucial. We recommend adhering to the following maintenance intervals: 1. Every 100 hours or annually (whichever comes first): Perform oil and filter change, inspect air filter, clean spark arrestor, and inspect/clean cooling system. 2. Every 250 hours or annually (whichever comes first): Inspect and adjust valve clearance, clean and tighten battery connections, and inspect/replace drive belts. 3. Every 500 hours or every two years (whichever comes first): Replace air filter. 4. Every 1,000-1,500 hours or every three years (whichever comes first): Replace coolant, inspect fuel system, and inspect exhaust system. Remember, more frequent maintenance may be necessary if the generator operates under extreme conditions. Refer to your generator's manual for specific instructions or consult a certified Cummins Onan dealer for personalized guidance.