TM   10-4930-248-13&P 2-5. CLEANING AGENTS. WARNINGS • DO  NOT    use  diesel    fuel,    gasoline,     or  benzene (benzol)    for  cleaning. • DO   NOT   SMOKE     when    using    cleaning solvent. NEVER USE    IT  NEAR AN   OPEN    FLAME. Be  sure    there     is  a  fire   extinguisher nearby     and   use cleaning solvent     only    in  well-ventilated places. Flash    point    of  solvent     is 1380F   (600C). • USE    CAUTION when    using    cleaning solvents. Cleaning solvents evaporate quickly and   can   irritate exposed     skin    if  solvents contact skin. In  cold   weather, contact of exposed     skin    with    cleaning solvents can   cause frostbite. Cleaning Rust    or  Grease. When    removing grease     buildup, use   a  cleaning solvent. Apply    a  thin coat    of light    oil  to  all   bare    metal     surfaces to  prevent corrosion. 2-6. LEAKAGE CRITERIA. WARNING 9 To  prevent injury    to  personnel and   damage to  equipment, be  certain all system components are    securely connected before    operation to  avoid    fuel spills. * Fuel    vapors    are   extremely flammable. Do  not   allow    smoking within 100 feet   of  the   fuel    servicing areas Be  certain a  suitable and   properly charged fire   extinguisher is available at  all  times. No   fuel   leaks    are    permissible when    operating the   CCR   nozzle.     Immediately report     all   leaks    to  your supervisor. 2-5