TM 1-1520-238-23
13-12
13.3.
ENVIRONMENTAL CONTROL UNIT (ENCU) REMOVAL/INSTALLATION - continued
NOTE
If ENCU was replaced, go to step g. If
ENCU was reinstalled, go to step h.
g. Install four brackets (11) on ENCU (2).
(1) Remove four screws (13) and washers (14)
from ENCU (2).
(2) Install four screws (13) through washers (14)
and brackets (11) on ENCU (2).
h. Install wire harness W119 (1) on ENCU (2).
(1) Install four screws (7) through washers (8),
clamps (10), bracket (11), and nuts (9).
(2) Install tiedown strap (12) on harness (1). Use
strap (item 192, App F).
(3) Attach connector P285 (5) to temperature
control sensor receptacle (A43)J1 (6).
(4) Attach connector P287 (3) to temperature
control valve receptacle (L39)J1 (4).
CAUTION
Ensure there is no chafing between the
ENCU and the fire extinguisher tubing
(para 13.1). Failure to do so could cause
a malfunction of the ECS or fire extin-
guishing systems.
i. Inspect (QA).
j. Perform ECS maintenance operational check
(TM 1-1520-238-T).
k. Secure access doors T250L, T250R, T290L,
T290R, and L325 (para 2.2).
END OF TASK
10
8
7
12
1
2
11
5
6
914
13
4
3
M04-719-20
