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TM 1-1520-248-10
4. Landing gear Check; crosstubes, skid, skid
8-16. FUSELAGE TOP AREA 7. shoes, and aft crosstube mount.
1. Engine exhaust Check. 5. Underside of fuselage Check; condition,
antennas, and cargo suspension assembly (if
2. Anticollision light Check. installed).
3. Engine i n l e t plenum window Check O 6. Crew door Check; condition, emergency
condition. release mechanism, and hinges.
4. Hydraulic reservoir Check; condition, filler 7. Cockpit left side Check as follows:
cap secure.
a. Fire extinguisher Check.
5. Hydraulic servos and flight controls Check.
b. CPG seat, seat belt shoulder harness and
6. Transmission oil filler Check cap secure. armor side panel Check. Secure seat belt
and shoulder harness if seat is not used.
* 7. Swashplate and flight controls Check.
WARNING
* 8. Main rotor system Check.
If the CPG cyclic is to be used as a flight
O* 9. MMS Check; temperature tape within ± 10 control, the cyclic shall be engaged. °C of ambient temperature or within +60 °C if
MMS has been operating, turret vent screens,
coolant f i l l e r cap, condition of sensor c. Flight controls Check as follows:
windows, and security of upper should. If (1) CPG collective Secure or remove as
MMS is not installed check cover plate required.
installed. (2) CPG cyclic Engage/disengage as
required.
(3) CPG pedals Adjust as required.
8-17. FORWARD FUSELAGE LEFT SIDE
AREA 8. 8-18. FUSELAGE FRONT AREA 9.
CAUTION
1. Static port Check.
Cargo shall not be placed in avionics 2. Fuselage Check condition as other items
compartment. are checked:
1. Avionics compartment Check as follows: (if a. Upper antennas Check.
accessible)
b. Upper wire cutter Check.
a. Electrical and avionics components, cables,
and connectors Check. c. Windshield and deflector assembly
Check.
b. Inertia reel Check.
d. Battery compartment Check; circuit
c. Access door Check and secure. breakers in as required, battery cable
c o n n e c t e d , v e n t l i n e s , and b a t t e r y
O d. AVR-2A forward sensor unit Check. compartment door. Secure door.
2. UWP Check. e. Ram air grille Check.
O * 3. Weapons systems Check. O f. AN/APR-39 forward antennas Check.
g. IR position lights Check.
8-7
TM 1-1520-248-10
h. Pitot tube Check. f. FLOOD LT switches As desired.
i. DC external power receptacle Check; * g. POS lights switch As required.
door secure.
* h. ANTI-COLL lights switch ANTI-COLL.
j. Searchlight Check.
i. PITOT HTR switch OFF.
k. Drain lines and vents Check.
j. HTR switch OFF.
l. Lower wire cutter Check.
k. L DEFOG BLWR switch OFF.
m. Chin bubbles Check.
l. R DEFOG BLWR switch OFF.
n. Fuselage underside Check.
m. COMPT BLWR switch AUTO.
3. Crew and passenger briefing Complete.
Refer to crew and passenger briefings in n. CARGO HOOK circuit breaker switch
Section I, CREW DUTIES. OFF.
* o. FUEL BOOST switch FUEL BOOST.
8-19. BEFORE STARTING ENGINE PILOT
(CPG REFER TO PARAGRAPH 8-20). p. ENG ANTI ICE switch OFF.
* 1. Seat belt, shoulder harness, inertia reel q. ENG OIL BYPASS switch OFF.
Fasten and check.
r. ESNTL BUS switch START.
2. Overhead panel equipment and switches
Check and set as follows: s. AC GEN switch OFF.
a. Utility light as required. t. DC GEN switch OFF.
b. Circuit breakers In as appropriate/set as O u. BATT 2 switch OFF or PREHEAT as
follows: required.
O (1) RADAR DETR s w i t c h (CDS2) v. BATT 1 switch OFF or PREHEAT as
RADAR (up/on). (CDS3/CDS4) As required.
desired.
w. Fuel valve handle ON (forward).
O (2) RADAR WARN switch WARN (OFF).
x. Free air temperature (FAT) gage Check;
O (3) IR JAMMER BASE circuit breaker note FAT.
switch IR JAMMER (ON).
O y. PDU Check and adjust.
O (4) IR JAMMER XMTR circuit breaker
switch IR JAMMER (OFF). 3. Instrument panel instruments and switches
(5) FADEC circuit breaker switch Check and set as follows:
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OPERATOR’S MANUAL FOR ARMY OH-58D HELICOPTER 2(75)
