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NOTE
After landing and while conducting subsequent
multiple takeoffs and landings (closed
traffic, slopes, etc.) the Abbreviated After
Landing check may be used.
1. Flight controls — Neutralize.
2. Cyclic trim indicators — Check GND indication.
F 3. Ground contact lights — Check both ON.
8-2-37. Engine Shutdown.
CAUTION
Critical flight control components can be
damaged if thrust is not in ground detent.
1. Flight controls — Neutralize. Position the pedals
and cyclic at neutral and the thrust at the
ground detent.
2. PARKING BRAKE — Set.
3. HTG switches — OFF.
4. SLT-FIL switches — OFF and stow as required.
5. AFCS SYSTEM SEL switch — OFF.
F 6. Ramp — As required.
F 7. Wheels — Chocked.
F 8. Mission equipment — Safe as required.
O 9. HUD — OFF.
F 10. Fire guard — Posted.

11. APU — Start. For APU starting procedures,
refer to paragraph 8-23.
12. APU GEN switch — ON.
13. GEN 1 and 2 switches — OFF.
TM 1-1520-240-10
8-2-16
14. PWR XFER 1 and 2 switches — ON.
15. Cyclic trim indicators — Check GND indication,
manually program if necessary.
WARNING
Personnel injury or death may occur and
damage to the airframe and rotor system
will occur if the forward or aft rotor head
rotor blade droop stop(s) on the aft rotor
head are not engaged. After engine run-up
and before flight, or shut down if flight is
not conducted, the flight engineer will
scan the ground in the immediate area of
the aircraft for evidence of detached droop
stops. Prior to moving Engine Condition
Levers (ECL) from ground to stop, flight
engineer will, to the best extent possible,
determine if the interposer blocks on the
aft rotor head are in position and that all
forward and aft droop stops are attached.
If an interposer block or droop stop are not
in place, the flight engineer will notify the
pilot in command. All non essential personnel
will evacuate the aircraft to a safe
location. If possible, crew will contact
maintenance and attempt to engage interposer
block with high pressure stream or
prepare aircraft for shutdown in such a
way as to minimize damage to aircraft and
components and prevent injury to personnel.
If interposer blocks appear to be in
place and no droop stops are missing, the
flight engineer will clear the pilot to shutdown
the first engine. After the first engine
is shut down, the flight engineer will observe
the rotor tip path of the forward and
aft rotor heads. A rotor blade drooping
significantly lower than the other blades
indicates a missing droop stop. In this
case the remaining running engine’s ECL
should be advanced until sufficient rotor
RPM is achieved to lift rotor blades off the
stops to insure no blade contact with
airframe and maintenance is contacted to
prepare aircraft for an emergency shutdown
that will minimize damage to the
aircraft and injury to the personnel.
NOTE
Aft landing gear ground proximity switches
are not actuated during a water landing.
Therefore, longitudinal cyclic pitch actuators
must be manually set to ground position prior
to engine shutdown on the water.
16. ENG COND levers — GND, start 2 minutes
cool-down.
NOTE
If DECU display is other than 88, refer to the
DECU BIT Fault Code List/Matrix.
F 17. 714A DECU SHUTDOWN BIT — Check
displays read 88.
18. FUEL CONTR switches — Set as follows:
a. XFEED switch — Close.
b. FUEL PUMP switches — OFF.
c. REFUEL STA switch — As required.
WARNING
Personnel injury or death may occur and
damage to the airframe and rotor systems
will occur if the forward or aft rotor head
rotor blade droop stop(s) are missing or
the interposer blocks on the aft rotor head
are not engaged. Prior to moving Engine
Condition Levers (ECL) from ground to
stop, the flight engineer will, to the best
extent possible, determine if the interposer
blocks on the aft rotor head are in
position and that all forward and aft droop
stops are attached. If an interposer block
or droop stop is not in place, the flight
engineer will notify the pilot in command.
If the interposer blocks appear to be in
place and no droop stops missing, the
flight engineer will clear the pilot to shut
down the first engine. After the first engine
is shut down, the flight engineer will observe
the rotor tip path of the forward and
　
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