 |
|||
|
|
|||
| ||||||||||
|
| MIL-T-18232B(AS)
3.10.9.1
DESCRIPTION, - The lubricating system includes tanks, coolers,
pumps not integral with the engine, piping exterior to the
engine, strainers, pipe fittings, valves, etc. A separate oil tank and necessary
accessories shall be provided for each engine not having a self-contained oil
system.
3.10.9.1.1
ARRANGEMENT. - The lubricating system shall be so arranged
that, with the engine running at any speed from idling to
full power, the delivery of oil to the engine inlet to provide the required engine
lubricating system pressure will be automatically maintained for normal flight and
over the range of extreme flight attitudes encountered during the fulfillment of
mission specified in the detail specification down to zero usable oil capacity
level.
3.10.9.2
OIL TANKS. - Oil tanks shall be of the type construction
specified in the detail specification. Metal oil tanks,
including corrosion-resistant steel tanks, shall be in accordance with Specifi-
cation MIL-T-6396.
3.10.9.2.1
OIL TANK CAPACITY. - The usable capacity of oil tanks
(excluding expansion and foaming space) shall be as follows:
(1) Reciprocating Engines. - One twenty-fifth (by volume) or
normal mission fuel load or one-thirtieth (by volume) of
maximum overload fuel whichever is greater. (For definition of unusable oil
see 6.4.6)
(2)
Turbo Engines. - The engine oil consumption unit rate specified
in the engine specification, times the maximum target endur-
ance times a factor of l 1/2. (For definition of unusable oil see 6.4.6)
3.10.9.2.2
EXPANSION AND FOAMING SPACE
3.10.9.2.2.1
OIL TANKS (RECIPROCATING ENGINES). - Expansion and foaming
space shall be provided in service oil tanks in a volume equal
to 20 percent of total oil tank capacity plus 20 percent circulating oil with
circulating oil defined as the quantity of oil which circulates during engine oil
dilution.
3.10.9.2.2.2
OIL TANKS (TURBOENGINE). - Expansion and foaming space shall
be provided in the service oil tanks in a volume equal to
10 percent total oil but not less than one quart.
3.10.9.2.3
OIL TANK FILLER UNITS. - Oil tank filler units shall have a
nominal diameter of 3", unless otherwise approved by NAVAIR,
and shall be designed in accordance with MIL-C-7244. Remote filling provisions
shall be in accordance with paragraph 3.10.9.2.3.4 of this specification.
34
|
|
Privacy Statement - Press Release - Copyright Information. - Contact Us |
Click
here for thousands of PDF manuals