ARMY TM 9-2805-256-14
AIR FORCE TO 38G2-102-2
NAVY NAVFAC P-8-611-14E
Section IV. OPERATION UNDER UNUSUAL CONDITIONS
Paragraph
P a ge
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. Remove all visible signs of corrosion as soon as possible.
b. Keep fuel lines, and ignition lines as dry as possible.
c. If possible, store engine indoors.
d. Use a thin layer of oil or desiccants to keep corrosion to a minimum.
2-13. 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 - 1 0
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