ARMY TM 9-2805-262-14
AIR FORCE TO 38G2-90-1
NAVY NAVFAC P-8-613-14E
2-15. Operation in Extreme Cold. The engine can be operated in temperatures a cold as -25°F (-32°C).
The procedures for operating are the same as under usual 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 per LO 9-2805-262-12.