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ARMY TM 9-2805-257-14 AIR FORCE TO 38G2-103-2 NAVY NAVFAC P-8-612-14E Section  IV.  OPERATION  UNDER  UNUSUAL  CONDITIONS Paragraph Page 2-11 Operation in Dusty or Sandy Areas... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-10 2-12 Operation in Rainy, Humid, or Salt Air Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-10 2-13 Operation in Extreme Heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-10 2-14 Operation at Different Altitudes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-10 2-15 Operation in Extreme Cold . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...2-11 2-11. Operation in Dusty or Sandy Areas.  The procedures for operating the engine are the same as under  usual  conditions  except  for  the  following  special  precautions: a. b. c. d. Keep fuel, lubrication, ignition and cooling systems free of dust and sand. Inspect air cleaner assembly more often when operating in dusty or sandy areas. Have unit maintenance service  air  cleaner  element  as  needed. In the event of severe dust or sand storms, provide a well protected sheltering device for the engine. Remove all dust or sand from the engine and inspect for damage. 2-12. Operation in Rainy, Humid, or Salt Air Conditions.  The procedures for starting and stopping the  engine  are  the  same  as  under  usual  conditions  except  for  the  following  special  precautions: a. b. c. d. 2-13. Remove all visible signs of corrosion as soon as possible. Keep fuel lines, and ignition lines as dry as possible. If  possible,  store  engine  indoors. Use a thin layer of oil or desiccants to keep corrosion to a minimum. Operation in Extreme Heat. The procedures for starting and stopping the engine are the same as under  normal  condition  except  for  the  following  special  precautions: a. Check oil level more often when operating in extreme heat. b. Allow engine to cool off longer after removing end item load. c. In extreme hot temperatures, the engine will run efficiently but at a reduced horse power rating. For each 10°F (12.2°C) above 60°F(15.5°C) a 1 percent loss of power should be expected. 2-14.  Operation at  Different Altitudes.  The  procedures  for  starting  and  stopping  the  engine  are  the same as under usual conditions. The engine will operate at altitudes of up to 5000 feet above sea level but at a reduced  horse  power  rating.  For  every  1000  feet  above  sea  level,  a  3.5  percent  power  loss  should  be  expected. 2-10


 


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