TM 1-1520-238-23
13-11
13.3.
ENVIRONMENTAL CONTROL UNIT (ENCU) REMOVAL/INSTALLATION - continued
d. Install sleeve (22) on duct (23) and ENCU (2).
(1) Install sleeve (22) and two clamps (24) on
ENCU (2).
(2) Center sleeve (22) over duct (23) and ENCU
(2).
(3) Tighten clamps (24).
e. Install coupling (15) on duct (16) and ENCU
(2).
(1) Lubricate new packing (18). Use petrolatum
(item 138, App F).
(2) Install packing (18) on duct (16).
(3) Install coupling (15) and nut (17).
f. Install sleeve (19) on duct (20) and ENCU (2).
(1) Center sleeve (19) over duct (20) and ENCU
(2).
(2) Install two clamps (21) on sleeve (19).
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M04-719-16
23
24
22
24
2
16
18
15
2
17
M04-719-19
20
19
21
2
M04-719-18
21
