HEADQUARTERS OH-58A - Page 243

TM 55-1520-228-10
Change 14 8-5
e. Fire extinguisher – Check.
O f. Cabin door – Check condition.
2. Fuselage – Check as following items are
checked:
a. Static port – Check unobstructed.
b. Landing gear – Check condition of cross-
tubes, skid, skid shoe(s), wheels removed.
c. Fuel sample – Check for contamination be-
fore first flight of day. If fuel sump has not
been drained, drain a sample and check.
* d. Hydraulic reservoir/servos and flight con-
trols – Check condition and oil levels. Hy-
draulic filter button in. Secure door.
* e. Transmission compartment – Check condi-
tion and oil level. Secure door.
f. Engine inlet and plenum – Check clear.
g. Engine compartment – Check condition;
lines, cables, and connections for condition
and leaks. Secure door.
* h. Fuel – Check quantity first flight of day and
when refueled. Cap secure.
i. FM homing antenna – Check condition.
j. Drain lines and vents – Check unobstructed.
k. Transmission and engine cowling – Check
secure.
l. Engine oil tank – Check condition, cap se-
cure. Close door.
8-11. AREA 2 (figure 8-1) TAILBOOM –
RIGHT SIDE.
1. Tailboom – Check as following items are
checked:
O a. Driveshaft cover – Check secure.
b. Tail rotor drive – Check shaft, collars, bear-
ings, and hangers for condition, slippage
marks (if cover not installed).
c. Horizontal stabilizer – Check condition.
d. Vertical fin – Check condition; antenna con-
nections secure.
e. Tail skid – Check condition.
* 2. Main rotor blade – Check condition, rotate 90
degrees to fuselage, tiedown removed.
8-12. AREA 3 (figure 8-1) TAILBOOM –
LEFT SIDE.
* 1. Tail rotor gearbox – Check condition, oil level,
filler cap, and chip detector wire secure.
* 2. Tail rotor – Check condition.
3. Tailboom – Check as following items are
checked:
O a. Driveshaft cover – Check secure.
b. Horizontal stabilizer – Check condition.
8-13. AREA 4 (figure 8-1) AFT FUSELAGE
– LEFT SIDE.
1. Fuselage – Check as following items are
checked:
a. Oil tank compartment – Check condition of
oil cooler, driveshaft, oil lines, and external
oil filter bypass. Secure door.
* b. Engine oil level – Check.
c. Avionics compartment – Check condition of
compartment and tailboom slippage marks.
Secure door.
d. Engine compartment – Check condition of
lines, and connections for security and
leaks. Secure door.
O e. FM homing antenna – Check condition.
f. Transmission compartment – Check condi-
tion. Secure door.
g. Hydraulic servos and flight controls – Check.
h. External oil filter bypass – Check.
2. Main rotor blade – Check condition.