Beechcraft C-12C Operator And Technical Reference Manual page 831

3. Left engine and propeller – Check as
follows:
A cold oil check is unreliable. Oil should
be checked within
stopping engine. If more than 10 minutes
have elapsed,
40 seconds, then recheck.
10 hours have elapsed, run engine for
2 minutes, then recheck.
required. Do not overfill.
* a. Engine oil – Check oil level, no more
than 3 quarts low, all caps secured,
locking tab aft.
b. Engine compartment, left side – Check
for fuel and oil leaks, security of oil cap,
and general
compartment access door.
c. Left cowl locks – Locked.
d. Left exhaust stub – Check for cracks and
free of obstructions.
e. Propeller blades and spinner – Check
blade condition, security of spinner and
free propeller rotation.
f. Engine air inlets and ice vane – Check
free of obstruction and ice vane in
correct position.
g. Bypass door – Check condition and
correct position.
h. Right cowl locks – Locked.
i. Right exhaust stub – Check for cracks
and free of obstructions.
j. Engine compartment, right side – Check
for fuel and oil leaks, ice vane linkage,
and general
compartment access door.
4. Left wing center section – Check as follows:
a. Heat exchanger inlet and outlet – Check
for cracks and free of obstructions.
b. Auxiliary tank fuel sump drain – Check
for leaks.
c. Hydraulic reservoir vent and pump seal
O
drain D2
obstructions and that no excessive fluid
is present.
d. Deice boot – Check for bonding, cracks,
loose patches, and general condition.
CAUTION
10 minutes after
motor engine
If more than
Add oil as
condition.
condition.
– Check vent clear
e. Auxiliary tank fuel and cap – Check fuel
*
5. Fuselage underside – Check as follows:
a. General condition – Check for skin
*
for
b. Antennas – Check wire, security, and
8-15. NOSE SECTION, AREA 2.
1. Nose section – Check as follows:
a. Outside air temperature probe – Check
*
b. Avionics door, left side – Check secure.
Lock
c. Air conditioner exhaust – Check free of
d. Wheel well – Check for signs of leaks,
e. Doors and linkage – Check condition,
f. Nose
g. Tire – Check for cuts, bruises, wear,
*
h. Shock strut – Check for signs of leakage
*
i. Torque knee – Check condition.
j. Shimmy damper and linkage – Check for
k. Headset jack cover – Check installed.
Lock
l. Landing and taxi lights – Check for
m. Pitot tubes – Check covers removed,
n. Radome – Check condition.
of
TM 1-1510-218-10
level visually, condition of seal, and cap
tight and properly installed.
damage, such as buckling, splitting,
distortion, dents, or fuel leaks.
general condition.
condition.
obstruction.
broken wires, and general condition.
security, and alignment.
gear turning
condition.
appearance of proper inflation, and
wheel condition.
and three inches minimum extension.
security and condition.
security and condition.
alignment, security,
obstructions.
stop – Check
and free of
8-5