Specifications include, but are not limited to: A. Cooling System Inspection 1. Check, adjust and replace as needed all belts and hoses. 2. Check and tighten hose clamps as needed. 3. Replace block heater hoses with high grade silicone hoses every three (3) years. 4. Test antifreeze for proper concentration and DCA levels. ; B. Lube Oil System Inspection 1. Check engine oil, change oil (if running time is more than 50 hours, or a minimum of once a year, and filters on annual basis. ; C. Air Filter System 1. Clean engine air filter system and replace as necessary. 2. Clean and refill air cleaner if applicable. D. Engine Fuel System Inspection 1. Replace fuel filter annually. 2. Replace rubber flexible fuel lines, if needed. ; E. Engine Starting System Inspected 1. Inspect battery electrolyte level if possible. 2. Load test the battery utilizing an artificial load bank. 3. Clean and tighten battery terminals. ; Test Run Generator 1. Check oil pressure, water temperature and battery charging system. 2. Test all engine safety shutdowns. 3. Check the engine governor for proper operation.