T-45A UJPT, E2-C2, ADV, & IUT Eng-02
Engine
C.
Engine lubrication system
Sg 2, fr 7
Warning Light
LEGEND
NOTE: MIL-L-23699 or 7808 in a pinch, do not
OIL PRESS
PRESSURE OIL
Differential
Pressure Switch
SCAVENGE OIL
Internal
SUCTION OIL
VENTAIR
have to drain and flush if 7808 is mixed with
Turbine
23699.
Dist.
Block
REAR OF
LP Compressor
ENGINE
Front Bearing
Filter
FRONT OF
1.
Functional description
Oil
ENGINE
Tank
External
FCOC
Oil Pumps
a.
General
ENGINE LUBRICATION SYSTEM
(1) Provides lubrication of engine
shaft bearings and internal and
external gearboxes
(2) Oil pump: draws oil from oil tank
and maintains pressure to engine
Sg 2, fr 8
and gearbox oil systems
b.
Components
(1) Oil tank and system: contains
approximately 25.2 U.S. pints with
unusable quantity of 9.6 U.S. pints
OIL TANK
(2) Oil pumps: engine-driven,
mounted on the accessory
gearbox
Overlay 1
Oil Pumps
(3) FCOC
Overlay 2
(a) Heat exchanger unit provides
FCOC
oil cooling through heat
exchange with engine fuel
(b) Integrated FCOC bypass
Overlay 3
valve ensures adequate
FCOC Bypass Valve
engine lubrication under cold
temperature conditions
(4) Oil filter: filters all oil entering
engine and gearboxes (coiled wire
Overlay 4
filter)
Filter
Page 2-16
(8-03) Original
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