All adjustments should be checked at least once each season. Always observe the safety rules when performing any  maintenance. BEFORE EACH USE 1. Check engine oil level. 2. Check for loose fasteners. 3. Check controls to be sure they are functioning properly. AFTER EACH USE Clean and inspect the snow blower Do not use a garden hose to clean your snow blower unless the electrical system, muffler and carburetor are covered to keep water out. Water in engine can result in shortened engine life. For best performance, keep snow blower housing free of any dirt or trash. Clean the outside of your snow blower after each use. • Once a year, you should replace the spark plug, change engine oil and check belts for wear. A new spark plug will help your engine run better and last longer. TIRES • Maintain proper air pressure in both tires  • Keep tires free of gasoline and oil, which can harm rubber. NOTE: To seal tire punctures and prevent flat tires due to slow leaks, tire sealant may be purchased