TM 1-1520-238-23
13-42
13.13.
ENCU OVERBOARD EXHAUST DUCT REMOVAL/INSTALLATION - continued
13.13.6. Installation
a. Apply sealing compound to mating areas of
duct (3) and airframe (8). Use sealing
compound (item 174, App F).
b. Install duct (3) on airframe (8).
(1) Position duct (3) on airframe (8).
(2) Install six screws (9) and washers (10)
through airframe (8) into duct (3).
c. Install duct (1) on ENCU (2) and duct (3).
(1) Position duct (1) between ENCU (2) and duct
(3).
(2) Slide and center hose (5) over duct (1) and
ENCU (2).
(3) Slide and center hose (7) over duct (1) and
duct (3).
(4) Tighten two clamps (4) on hose (5).
(5) Tighten two clamps (6) on hose (7).
d. Allow sealing compound to dry 24 HOURS at
65 F minimum.
e. Inspect (QA).
f. Secure access doors T250L, T250R, T290L,
T290R, and L325 (para 2.2).
END OF TASK
M04-3890-3
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10
3
8
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7
1
5
2
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