ARMY TM 9-2805-258-14
AIR FORCE TO 38G2-89-21
NAVY NAVFAC P-8-614-14E
2-12. Operation in Rainy, Humid, or Salt Air Conditions. The procedures for operating 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 operating the engine are the same as under normal
condition except for the following special precautions:
Check oil level more often when operating in extreme heat. Use appropriate grade oil, refer to
Allow engine to cool off longer after removing end item load.
In extreme hot temperatures, the engine will run efficiently but at a reduced horse power rating. For each
10° (12.2°C) above 60°F (15.5°), a 1 percent loss of power should be expected.
2-14. Operation at Different Altitudes. The procedures for operating the enginr are the same as under
usaul 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
2-15. Operation in Extreme Cold. The engine can be operated in temperatures a cold as -25°F (-32°C).
The porcedures for operating the engine are the same as under usaul conditions excepts for the following special
Protect the engine from icing. Remove ice and snow from engine as often as possible.
Allow engine sufficient warm-up time before apply end item load.
Use appropriate grade oil, refer to LO 9-2805-258-12.
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