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FADEC.
a. RFD  Check.
* (6) IGN circuit breaker switch  IGN.
b. RPM, TGT, and TRQ v e r t i c a l s c a l e
c. FORMATION LIGHTS switch  As desired. instruments  Check.
d. CONSOLE LT switch  As desired. c. MFD  Check.
e. INST LT switch  As desired.
8-8
TM 1-1520-248-10
d. MFD auxiliary control panel  Check; Slip
indicator full of fluid. d. Throttle  Check; full travel, idle detent,
and return to closed position.
e. Clock  Check.
O* 5. BATT 2 switch  BATT 2.
O f. Radar detector indicator  Check.
* 6. BATT 1 switch  BATT 1.
g. Magnetic compass  Full of fluid.
WARNING
NOTE
When helicopter is loaded with rockets,
Do not adjust standby altimeter until DC d o n o t u s e e x t e r n a l p o w e r .
power has been applied. Electromagnetic interference from
external source may cause accidental
h. Standby flight instruments  Check. firing of rockets.
i. FADEC AUTO/MAN switch  Check. * 7. GPU  Connect as required (DC only).
j. MPD  Check. * 8. Caution, warning, and advisory messages
and audio  Check; audio activated, caution,
k. MFK  Check; ZERO and EMER switch warning, and advisory messages review and
covers down. acknowledge.
NOTE * 9. FADEC AUTO/MAN switch  Check
AUTO.
If gun is installed, and rounds are not
loaded, place GUN switch in the ARMED 10. MPD  Test and set; switches as follows:
position.
a. TEST/DGT OFF  TEST. V e r i f y a l l
l. ACP  Check and set switches as required. segments and digits are displayed on
vertical scales and MPD.
m. CSC control panel  Set as desired.
b. MPD SEL  Select BATT V - START V
n. External RMT/ICS switch  As desired. position.
O o. (OH-58D) Fuel control panel  Check, c. BRT  Set as desired.
cover down.
p. SCAS control panel  Check and set 8-20. BEFORE STARTING ENGINE  CPG (AS
switches as follows: REQUIRED).
(1) SCAS PWR  OFF.
(2) FORCE TRIM  FORCE TRIM * 1. Seat belt, shoulder harness, and inertia reel
(3) HYD SYS  HYD SYS.  Fasten and check.
4. Flight controls and switches  Check and set 2. Instrument panel instruments and switches 
as follows: Check and set as follows:
a. Antitorque pedals  Check; freedom of a. CSC control panel  Set as desired.
movement, full travel, and pedals centered.
b. MMS switches  Set.
b. Cyclic  Neutral, friction as required.
c. MFD  Check.
c. Collective  Down and unobstructed,
friction as required, and switches set as 3. Flight controls  Check; engage/disengage
required. cyclic as required, collective unobstructed.
8-9
TM 1-1520-248-10
g. Rotor blades  Turning by 25% NG.
8-21. (OH-58D) ENGINE START.
h. START switch  Release at 50% NG.
* 1. Fireguard  Posted (if available).
i. NG  Check stabilized at idle (63 to 65%).
* 2. Rotor blades  Clear and untied.
NOTE
* 3. Engine start  Accomplish as follows:
For cold temperature starts, if ENG OIL and/
CAUTION or XMSN OIL pressures are above limits, or
ENG OIL and/or XMSN OIL temperatures
are below limits, do not accelerate engine
• DO NOT attempt start if BATT V is less above idle.
than 21 volts.
• BATT V may go below 14 volts during * 4. XMSN OIL pressure and ENG OIL pressure
the initial starting cycle; however,  Within limits.
BATT V must be at least 14 volts prior
to advancing the throttle. If after 8-22. ENGINE START (AUTOMATIC advancing the throttle the BATT V
decreases to less than 14 volts, abort MODE).
the start.
* 1. Fireguard  Posted (if available). • If the TGT does not begin to rise by
18% NG, abort start. * 2. Rotor blades  Clear and untied.
• To prevent damage to engine if the
FUEL CONT c a u t i o n message i s * 3. Engine start  Accomplish as follows:
displayed on the MFD, do not start the
engine. a. AUTO/MAN switch  Check AUTO.
• To prevent damage to engine if auto
acceleration occurs when the throttle CAUTION
is opened, abort start.
• To prevent damage to engine if it becomes apparent that temperature • DO NOT attempt start if BATT V is less
limits will be exceeded before 50% NG than 21 volts.
is attained, abort the start. • To prevent a hot start if the NO AUTO
START advisory is displayed on the
a. START switch  Press and hold. Start time. MFD, do not attempt an automatic start
　
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