TM 55-1520-240-23-8
10-4
INSPECT FUEL TANK ASSEMBLIES
(Continued)
10-4
INSPECT AFT FUEL TANK
14.
Check interior of aft pod (8). There shall be
no damage, layer separation, leakage, or
contamination.
15.
Check cell (9). There shall be no damage, layer
separation, no fuel in self-sealing layers, and no
green, sponge-like material.
16.
Check interior of cell (9). Interior shall not be
contaminated with mold.
17.
Check exterior surface of cell (9). Anti-chafing
tape shall be secure, and there shall be no
chafing damage.
18.
Check hoses, fittings, and tubing inside cell (9).
There shall be no damage or deterioration.
19.
Check vent drain lines (10). Lines must not have
high or low spots that can trap fluid.
20.
Check support structure (11). Support structure
shall not be damaged.
21.
Check hinges (12) and hinge pins (13). Hinges
and pins shall not be worn or damaged.
FOLLOW-ON MAINTENANCE:
Perform vent system pressure test (Task 10-117).
Install aft tank access doors (Task 10-80).
Install forward tank access doors (Task 10-70).
Install main tank access doors (Tasks 10-52 and
10-54).
Raise and install aft fuel tanks (Task 10-31).
Raise and install forward fuel tanks (Task 10-26).
Raise and install main fuel tanks (Task 10-21).
Install main fuel tank vent fairings (Task 10-64).
Perform vent system flow test (Task 10-118).
Perform test of pressure refueling system (Task
10-119) and fuel feed system (Task 10-120).
Install aft intertank pod panels (Task 2-188).
Close forward landing gear access panels (Task
2-179 and 2-181).
Service fuel tanks (Task 1-51).
Bleed fuel system (Task 10-121).
END OF TASK
10-33