TM 55-1520-240-23-8
10-27
TEST FORWARD FUEL TANK AFTER INSTALLATION
(Continued)
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d.
Check flange (21). Apply soap mixture as in
step 8a. Secure flange or replace packing, if
needed. If leak is found, repeat steps 6 and 7.
e.
Check filler adapter (24). Apply soap mixture
as in step 8a. Secure filler adapter or replace
packing, if needed.
f.
Check sump drain (25). Apply soap mixture
as in step 8a. Secure drain or replace
packings, if necessary. If leak is found, repeat
steps 6 and 7.
g.
Check aft closure plate (22) at end of tank
(23). Apply soap mixture as in step 8a.
Secure closure plates or replace packings, if
needed. If leak is found, repeat steps 6 and 7.
h.
If no leakage is found in steps 8a thru g, go to
step 16. If leaks are still found, go to step 9.
CHECK FOR LEAKS INSIDE TANK
9.
Remove probe (21) and gasket (Task 8-81).
Check inside of flange (21.1). Check underside
of gasket and sealing surfaces. Install probe
(Task 8-82). Repeat steps 6 and 7.
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