APU STARTING IN EXTREMELY COLD WEATHER
TM 9-2350-267-10
CAUTION
To avoid damaging radio components, turn off all
electrical and radio switches before starting the APU.
NOTE
Before you start the APU in extremely cold weather
(0° to -65° F), refer to LO 9-2350-267-12 for:
- Engine crankcase oil grade and level
- Chaincase oil grade and level
- Hydraulic oil grade and level
Change oil as necessary
When operating in extremely cold weather, make sure
winterization kit has been installed.
When temperature is below -25° F outside, preheat APU
compartment (p 2-225) prior to APU starting.
Starting When Temperature is 0° to -25° F
CAUTION
To avoid excessive demand on batteries, do not crank
engine longer than 1 minute at a time. Do not attempt
to atart APU for longer than 5 minutes total. If APU
does not start In 5 minutes, notify Organizational Maln-
tenance.
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