EG–330 ENGINE – COOLING SYSTEM COOLANT CHECK 1. CHECK ENGINE COOLANT LEVEL AT RADIATOR RESERVOIR The engine coolant level should be between the "LOW" and "FULL" lines. If low, check for leaks and add engine coolant up to the "FULL" line. 2. CHECK ENGINE COOLANT QUALITY (a) Remove the radiator cap. CAUTION: To avoid the danger of being burned, do not remove the radiator cap while the engine and radiator are still hot, as fluid and steam can be blown out under pressure. (b) There should not be any excessive deposits of rust or scale around the radiator cap or radiator filler hole, and the coolant should be free from oil. If excessively dirty, replace the coolant. (c) Reinstall the radiator cap.