Beechcraft C-12C Operator And Technical Reference Manual page 894

TM 1-1510-218-10
minimum rate of descent.
procedure if the second engine fails during flight.
1. Airspeed – As required.
2. PROP lever – As required.
9-8. ENGINE SHUTDOWN IN FLIGHT.
1. POWER lever – IDLE.
2. PROP lever – FEATHER.
3. CONDITION lever – FUEL CUTOFF.
4. Engine cleanup – Perform.
9-9. ENGINE CLEANUP.
The engine cleanup procedure is to be used
after engine malfunction,
unsuccessful restart.
1. CONDITION lever – FUEL CUTOFF.
2. ENG AUTO IGN – OFF.
3. AUTOFEATHER switch – OFF.
4. GEN switch – OFF.
5. PROP SYNC switch – OFF.
6. ICE VANE (failed engine) – EXTEND.
9-10. ENGINE RESTART DURING FLIGHT (USING
STARTER) N GREATER THAN ZERO.
1
CAUTION
The pilot should determine the reason for
engine failure before attempting an engine
restart during flight.
engine restart if N indicates zero.
1
Engine restarts may be attempted at all altitudes.
If a restart is attempted, perform the following:
1. CABIN AIR/TEMP MODE switch – OFF.
2. Electrical load – Reduce to minimum.
3. FIRE PULL handle – In.
4. POWER lever – IDLE.
5. PROP lever – FEATHER.
9-4
Perform the following
shutdown, or an
Do not attempt an
6. CONDITION lever – FUEL CUTOFF.
7. TGT (operating engine) – 700 ºC or less.
8. Engine – Start.
a. IGNITION
switch – ON.
b. CONDITION lever – LOW IDLE.
NOTE
If a rise in TGT does not occur within
10 seconds after moving the CONDITION
lever to LOW IDLE, abort the start.
c. TGT – 1000 °C, 5 seconds maximum.
NOTE
If N is below 12%, starting temperatures
1
tend to be higher than normal. To preclude
overtemperature (1000 °C or above) during
engine acceleration
periodically move the CONDITION lever
into FUEL CUTOFF position, as necessary.
d. Oil pressure – Check.
e. IGNITION
switch – OFF at 50% N
9. GEN switch – RESET, then ON.
10. Engine cleanup – Perform if engine restart
is unsuccessful.
11. CABIN AIR/TEMP MODE switch – As
required.
12. Electrical equipment – As required.
13. ENG AUTO IGN switch – ARM.
14. PROP SYNC switch – As required.
15. POWER – As required.
9-11. ENGINE RESTART DURING FLIGHT (NOT
USING STARTER).
A restart without
accomplished provided airspeed is at or above
140 KIAS, altitude is below 20,000 feet, and the
propeller is not feathered. If altitude permits, diving
the aircraft will increase N
1
1. CABIN AIR/TEMP MODE switch – OFF.
AND ENGINE START
to idle speed,
AND ENGINE START
.
1
starter assist may be
and assist in restart.