3. INSPECTION/ADJUSTMENT UXV 500 ENGINE OIL REPLACEMENT (WITH OR WITHOUT OIL FILTER CARTRIDGE REPLACEMENT) 1. Place the machine on a level place. 2. Warm up the engine for several minutes and stop it. 3. Place a container under the engine. 4. Remove the oil fill cap (1). Be sure no foreign material enters the crankcase. (1) oil fill cap (2) (2) 5. Remove the drain plug (2) to drain the oil. The engine oil will drain more easily while the engine is warm. 3-15