TM 1-1520-238-23
12-88
12.28.
LEFT ENGINE FIREWALL LOUVER FIRE/OVERHEAT DETECTOR
REMOVAL/INSTALLATION - continued
12.28.6. Installation
CAUTION
Do not damage sensing element during
installation. Damage may occur when
bending the element. A minimum bend
radius of 0.375 INCH shall be maintained
to minimize possible damage.
a. Install detector (1) on frame (2).
(1) Position detector (1) so key way (11) of recep-
tacle (A697)J1 (4) is at the inboard position.
(2) Route sensing element (9) around frame (2).
Maintain pattern as shown.
(3) Install element (9) in 15 spring clips (10).
Bend end of element toward frame (2) so a
maximum of 1 INCH protrudes.
(4) Position two clamps (8) on detector (1).
(5) Install two screws (5) through washers (6),
clamps (8), and spacers (7) to frame (2).
(6) Attach connector P1321 (3) to receptacle
(A697)J1 (4).
b. Inspect (QA).
c. Perform APU fire detection maintenance op-
erational check (TM 1-1520-238-T).
d. Secure access doors T250L, T250R, T290L,
T290R, and L325 (para 2.2).
END OF TASK
M04-3504-3
1 IN (MAX)
4
11
2
9
10
1
4
G
6
9
7
8
1
8
3
4
5
2
M04-3504-4