TM 55-1520-240-23-8
10-82
INSTALL AFT TANK FUEL LEVEL SHUTOFF VALVE
(Continued)
10-82
METHOD USING VALVE 114PS494-2 AND ELBOW
ASSEMBLY 401116-3 WITH 11
33.
Perform steps 1 and 2.
34.
Install packing (11) in fuel valve (2).
35.
Remove barrier material and tape from hole in
tank (12). Maneuver fuel valve (2) partly into
tank.
36.
Connect two hoses (13).
37.
Install ten bolts (14) and washers (15).
NOTE
Gaskets (21.1) are used with shutoff
valve pin AV16B2101D-1 only.
38.
Position tube (27), three gaskets (21), two
gaskets 21.1 coated with sealant (E342.1),
spacer (23), and valve (22) on fitting (8). Secure
parts loosely with eight bolts (28) and washers
(29).
39.
Connect electrical connector (16).
40.
Remove plugs from adapter (31), elbow (32),
and tee (19).
Two snap rings (33) must be
positioned at upper end of elbow
where it connects to tee. Be sure
flanges of snap rings are together.
Damage to parts can occur if
installation is not as shown.
41.
Check that snap rings (33) are aligned.
42.
Install elbow (32) on tee (19). Tighten coupling
(34) on tee. Install lockwire (E233) (35).
43.
Position gasket (21) on adapter (31). Slide
adapter aft and install four bolts (36), washers
(37), and nuts (38). Tighten coupling (34) and
bolts (36).
INSPECT
FOLLOW-ON MAINTENANCE:
Perform vent system flow test (Task 10-118).
Test aft tank (Task 10-32).
Refuel aircraft (Task 1-51).
Check operation of fuel shutoff valve (TM
55-1520-240-T).
Bleed fuel system (Task 10-121).
Check for leaks (Task 10-4).
Install aft intertank access panel (Task 2-188).
END OF TASK
10-391