TB 9-2320-279-13&P
0040
Support fuel tank (14).
Remove three nuts (15) from three fuel tank straps (16).
Pull fuel tank straps (16) outward and remove fuel tank (14).
There are two types of air vents. Model A has a removable hose fitting and a 12 in. (304.8 mm) long air
vent line. Model B uses a 24 in. (609.6 mm) long air vent line and does not have a removable hose fitting.
Both models are removed the same way.
Remove air vent (17) and two elbows (11 and 18).
Remove fitting (18.1) from air vent (17).
Remove tank cap (19) and fuel strainer (20).
Remove check valve (9) from elbow (18).
Some models of fuel tanks contain a socket head pipe plug.
Remove socket head pipe plug (20.1).
Cleaning/Inspection.
Clean fuel tank straps and fuel tank brackets with dry cleaning solvent, wire brush, and cloth. Clean
liners with soapy water. Rinse liners clean with clear water.
Inspect fuel tank brackets and fuel tank straps for cracks, breaks, and badly rusted areas. Inspect bracket
liners for brittleness, cracks, and breaks.
Purge and clean fuel tank, as required.
Inspect fuel tank for cracks, broken welds, and stripped threads.
0040-76