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2. Canopy door -- Secure.
3. Avionics -- As desired.
4. ADSS switch -- On.
5. FC SYM GEN switch -- As required.
6. IHADSS switch -- As required (Announce to
pilot).
NOTE
Do not turn the SYSTEM TADS/FLIROFF/
OFF switch to TADS immediately
after being set to OFF. Damage to
the TADS power supply could result.
7. TADS switch -- As required (Announce to
pilot).
NOTE
If an erroneous magnetic variation is entered,
the compass card in the HSI will
give erroneous readings.
L8. Fire control system -- Enter data/interrogate
as desired for:
a. PPOS. (Announce to pilot when present
position has been entered.)
b. Waypoint/target data.
c. Laser codes.
NOTE
Steps 9 thru 15 may be performed in any
order.
L9. IHADSS boresight -- As required.
10. Doppler -- Program as desired.
L11. TADS operational checks -- As required.
L12. TADS internal boresight -- As required.
L13. TADS outfront boresight -- As required.
L14. FLIR operational check -- As required.
15. Weapons Systems -- As desired.
*8.19. BEFORE STARTING ENGINES -- PILOT.
1. SHAFT DRIVEN COMP caution light -- Extinguished.
Verify ECS airflow from crew station
vents.
2. ANTI COL switch -- As desired.
*8.20. STARTING ENGINES -- PILOT.
1. Area -- Clear.
CAUTION
· During a start with RTR BK switch
set to LOCK, if rotor blades begin
to rotate, set RTR BK switch to
OFF.
· The T700--GE--701C engine exhibits
inconsistent starting capability
above 6000 feet density altitude.
Starts above this density altitude
may be unsuccessful and require
“over temperature” abort by the pilot.
2. RTR BK switch -- OFF or LOCK.
NOTE
Use the procedures in para 3.a. thru 3.e.
for COLD and WARM -701 engine
starts and for COLD -701C engine
starts (more than 4 hours since last shutdown)
and all INFLIGHT and
engine starts. Use the procedures in para
3.f.(1) thru 3.f.(4) for WARM engine
starts on the GROUND.
L3. First engine -- Start as follows:
a. START switch -- START.
b. PWR lever -- IDLE after NG speed increases
and TGT is below 150 °C .
c. ENG OIL pressure gauge -- Monitor.
d. TGT gauge -- Monitor.
e. NG gauge -- Monitor.
TM 1-1520-238-10
If ENG START LIGHT remains illuminated
after reaching 66 - 68% NG, set
ENG START switch for affected engine
to IGN ORIDE, then OFF.
NOTE
l The MASTER CAUTION and FUEL
PSI ENG 1 or 2 caution light on pilot
caution/warning panel may illuminate
during start. FUEL PSI ENG 1 or 2
caution light should extinguish during
start of the respective engine.
For helicopters with -701 engines, a
full scale torque spike may occur during
engine start.
For helicopters with -701C engines,
the torque spike will not occur.
f. WARM ENGINE START. Less than 4
hours since last shutdown. Do not use this
procedure for inflight restarts. Start procedures
are as follows:
(1)
(1)
(1)
(1)
START switch - IGN OVRD until
NG reaches 18 - 20%.
START switch - OFF. Allow NG to
spool down below 5%.
START switch - START.
PWR lever - IDLE after NG speed increases
and TGT is below 80 °C.
g. Caution/warning lights - Check.
NOTE
The second engine may be started with
the RTR BK switch set to LOCK, as desired
or required. Do not advance either
PWR lever to FLY until RTR BK switch
is OFF.
*4. Second engine - Start same as step 3, above.
5. RTR BK switch - OFF
Prior to advancing PWR levers, ensure
both engines are stabilized (Np,
NG, torque, and oil pressure). While
advancing PWR levers to FLY, ensure
both engines indicate a torque rise to
confirm that the sprag clutches are
engaged. If an engine indicates near
0 torque, retard PWR lever of affected
engine to OFF and shut down
the helicopter.
6.
7.
8.
9.
10.
PWR levers - FLY. Advance both PWR levers
smoothly to FLY and ensure both torques increase
simultaneously.
Np and Nr - 100%.
Caution/warning lights - Check.
ANTI-ICE panel/ENG INLET switch - As
required.
APU control switch - OFF.
*8.21. BEFORE TAXI CHECK.
1.
2.
3.
4.
l
5.
Armament and pylon safety pins - Removed.
Chocks and external ICS cords - Removed
and disconnected.
HARS control switch - Check aligned then
advance to OPR.
DASE - As desired.
NOTE
HIT/ANTI-ICE checks while operating
　
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