SAFETY (9) Precautions when coolant is at high temperature (09653-A0641). Sign indicates a burn hazard from spurting hot water or oil if the radiator or hydraulic tank is uncapped while hot. Allow the radiator or hydraulic tank to cool before removing the cap. (10) Precautions when oil is at high temperature (09653-A0641). Sign indicates a burn hazard from spurting hot water or oil if the radiator or hydraulic tank is uncapped while hot. Allow the radiator or hydraulic tank to cool before removing the cap. WA480-5L 1-27