TM 1-1520-238-23
10-162
10.30.
AFT FUEL CELL UPPER VENT TUBE REPLACEMENT continued
(7) Place coupling (12) on adapter (16).
(8) Lubricate two new packings (13). Use
petrolatum (item 138, App F).
(9) Install one packing (13) on tube (2).
(10) Install one packing (13) on adapter (16).
(11) Slide and center coupling (12) over packings
(13).
(12) Install retainer (11) over coupling (12). En-
sure safety spring (17) is locked.
b. Install clamp (1) on tube (2).
(1) Position clamp halves (5) and (6) on tube (2).
(2) Aline two spacers (7) between inner clamp
half (5) and bracket (18).
(3) Install two screws (3) and washers (4).
c. Inspect (QA).
d. Perform pressure refueling/defueling mainte-
nance operational check (TM 1-1520-238-T).
e. Install catwalk (para 2.84).
f. Install APU enclosure (para 15.42).
g. Secure access doors T250L, T250R, T290L,
T290R, and L325 (para 2.2).
END OF TASK
M04-572-4
2
17
13
16
12
11
2
11
M04-572-5
1
6
4
3
2
5
18
7