TM 55-1560-307-13&P
Section V. PREPARATION FOR STORAGE OR SHIPMENT
3-24.
SCOPE. This section contains information and
references of information pertaining to preservation,
storage, and shipping.
3-25.
PRESERVATION. The tank can be purged and
preserved as follows:
WARNING
·
Ground aircraft and all equipment
used in performing this operation. Use
appropriate clothing and gloves and
goggles.
·
Drain fuel tank. Do not allow tank to
remain empty overnight after fuel is
drained.
a.
Electrical Harnesses, Tiedown Straps, and Vent
Lines.
(1)
Remove electrical wire harness and store
inside
storage
container
provided
for
system
components.
(2)
Remove tiedown straps and roll up, and
store inside storage container.
(3)
Remove vent lines from tanks and store.
b.
Fuel Management Control Panel. (FMCP).
(1)
Remove FMCP from 600 gallon tank.
(2)
Empty residual fuel from FMCP by opening
both pump inlet and outlet manifold lines. Remove as
much fuel as possible.
(3)
Install pump inlet and outlet dust covers.
(4)
Wipe up any fuel that may have spilled on
or inside the FMCP and secure.
(5)
Install FMCP inside storage container using
quick release pins.
c.
Fuel Manifold Transfer Lines.
(1)
Remove all fuel manifold transfer lines from
aircraft.
(2)
Open and drain residual fuel from each line,
tee, and elbow fittings into an approved fuel storage
container. This is done to prevent over expansion of fuel
lines due to normal heating/ cooling which will result in
damage to hoses during storage.
(3)
Place dust caps on each line, tee, and
elbow after draining residual fuel, and store inside
storage container.
d.
600 Gallon Tank.
(1)
Defuel tank into aircraft's main tank or into
defueling truck as required. Refer to paragraph 3-14.
(2)
Remove residual fuel in tank.
(3) Pour approximately 5 gallons of lubricating oil
(item 12, Appx D) to help reduce the flash point of the
empty fuel tank.
(4)
Flush the bottom of tank thoroughly with the
oil.
(5)
Close dump valve on tank after it is drained,
and fill with lubricating oil (item 12, Appx D). Allow oil to
remain in fuel cell for 24 hours.
(6)
Drain lubricating oil and let tank stand for 2
to 3 hours, and then test with a combustible gas
indicator for presence of fuel vapors. If an unsafe
condition exists, reflush tank with fresh oil until a safe
reading is obtained.
3-36
