ARMY TM  5-6115-612-12 MARINE  CORPS  TM  6115-12/7 AIR  FORCE TO 35C2-3-471-1 NAVY AG-320B0-0MM-000 2-8. OPERATION IN EXTREME COLD. (cont) (2) Open fuel  drain  valve  and allow any water and sediment to drain off. (3)   When   fuel   is   clear,   close fuel drain valve. c. (1) access Secure Fuel Housing. Close and secure fuel housing door. (2)   Stow   power   cable   on   cable support  assembly. 2-9.   OPERATION   IN HIGH HUMIDITY. Procedures for operation    of the generator set in high humidity or rain are identical to  normal operating procedures. 2-10.   OPERATION   IN   DUSTY   AND   SANDY AREAS. Procedures  for  operation  of the generator set In dusty and sandy areas are identical to normal operating procedures. Protecting Internal  Components. Keep access doors and covers closed for maximum security of component parts and filters against dust, dirt, and sand. b.  Preventive Maintenance. More frequent cleaning of the generator set may be required when operating in dusty or sandy areas. Accumulated dust and sand shall be removed using a vacuum with  a  nonmetallic nozzle. Remove grease or fuel deposits and accumulated dust, dirt, and sand. 2-11. OPERATION    IN SALT WATER AREAS. Procedures  for  operation  of the generator set in salt water areas are identical   to normal operating procedures, except that more frequent cleaning and inspection    of the generator set may be required. 2-12.   OPERATION   AT   HIGH   ALTITUDES. Procedures for operation    of the generator set at altitudes up to 8000 feet (2438 meters) above sea level are identical to normal operating procedures. 2-13. OPERATION UNDER SNOWY CONDITIONS. Procedures  for  operation of the generator set    in snowy conditions are identical to  normal operating procedures. Ensure that all air flow louvers are free of snow and ice. Keep snow from accumulating under generator set. Remove all snow and ice from generator set before opening access covers and doors. 2-12