TM 55-1520-240-23-8
10-53
REMOVE MAIN FUEL TANK AFT BOOST PUMP AND CHECK VALVE
(Continued)
10-53
10.
Remove lockwire and loosen two locknuts (23
and 24).
11.
Remove 30 bolts (25) and washers (26).
12.
Remove two brackets (27 and 28).
13.
Move access door (29) from tank for access to
inside of door.
REMOVE BOOST PUMP
Do not puncture or scratch lining
of fuel tank. If lining is broken, fuel
penetrates and activates self-sealing
layers. Activated layers swell and trap
fuel. Activated green spongy material
also contaminates fuel system. This
makes it necessary to replace fuel
tank and flush fuel system.
14.
Tag and disconnect two hoses (30 and 31). Plug
hoses and cap fittings (32 and 33).
15.
Disconnect hose (34). Cap hose and plug ring
nut (35).
16.
Remove two locknuts (23 and 24).
17.
Guide two receptacles (36 and 37) from holes
(38 and 39) in access door (29).
18.
Remove access door (29) and gasket (40).
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