PRESERVING FUEL TANK
Aircraft Mechanics Tool Kit, NSN 5180-00-323-4692
Container, 5 Gallon
Lubricating Oil (E251)
Barrier Material (E80)
Medium Helicopter Repairer
General Safety Instructions:
All regulations and instructions
for handling fuels shall be strictly
Use only clean unused oil. (Refer to
After approximately 10 days, tanks
drained of fuel will dry out. This
results in checked and cracked inner
walls. Access to inner wall of cell
will vary, dependant upon level of
disassembly of tank.
Gain access to inside of tank cell.
Apply light coat of lubricating oil (E251) to inner
wall of cell. Apply oil by spraying, fogging,
sloshing or painting.
Drain excess oil into container.
Cover access hole with removed component or
barrier material (E80) and tape (E388).
END OF TASK