ARMY TM 9-2805-256-14
AIR FORCE TO 38G2-102-2
NAVY NAVFAC P-8-611-14E
2-15. Operation in Extreme Cold. The engine can be operated in temperatures a cold as -25°F (-32°C).
The procedures for starting and stopping are the same as under usual conditions excepts for the following special
a. Protect the engine from icing. Remove ice and snow from engine as often as possible.
b. Allow engine sufficient warm-uptime before apply end item load.