TM 9--2350--292--10
0074 00--4
STARTING MAIN ENGINE IN EXTREME COLD WEATHER +32°F TO --25°F
(0°C TO --31°C) -- CONTINUED
0074 00
CAUTION
If the SYSTEM WARNING indicator does not go out 20 seconds after engine starts, stop
engine and notify unit maintenance. Failure to comply may result in damage to equipment.
NOTE
If time is critical and the engine must be started immediately, slave start (WP 0071 00) or tow
start the engine (WP 0072 00).
11. After engine achieves throttle response, release engine PREHEAT toggle switch (6). Adjust the hand throttle (11)
for an engine idle speed of 1000--1200 RPM for 15 minutes prior to allowing the engine speed to decrease to low
idle (850 RPM) and engaging the transmission.
6
11
NOTE
During long standstill periods with engine running, hold engine speed at 1,000 to 1,200 rpm to
keep it running smoothly.
12. If engine runs roughly during warm--up, hold engine PREHEAT toggle switch (6) to PURGE until smooth engine
operation returns.
13. After engine is running smoothly, release engine PREHEAT switch (6).
14. Shut down APU (WP 0053 00).
15. Check engine for normal operation (WP 0013 00).
16. While driving, check gauge panel frequently for unusual indications. If any are found, stop vehicle and
troubleshoot (WP 0083 00).
17. Refer to FM 21--306 for instructions on driving through snow, ice and unusual terrain.
END OF TASK