TM 1-1520-238-23
7-502
7.130.
SDC AIR INLET DUCT INSTALLATION – continued
k. Install hose (29) on duct (3).
(1) Install clamp (30).
l. Install surge valve pressure hose (31) and in-
terconnect hose (32) on unions (1) and (2).
(1) Lubricate threads on unions (1) and (2). Use
damping fluid (item 69, App F).
(2) Hold unions (1) and (2). Install nuts (33) and
(34).
CAUTION
Ensure surge valve pressure hose is not
kinked or twisted after installation. Failure
to do so could cause SDC malfunction.
m. Install housing (35) on duct (3).
(1) Slide housing (35) on duct (3).
(2) Tighten retainer clamp (36).
n. Inspect (QA).
o. Install inlet throttle valve (para 7.119).
p. Install air particle separator (para 7.116).
q. Perform pressurized air system leak check
(para 7.115).
r. Secure access doors T250L, T250R, T290L,
T290R, and L325; install fairing T225 (para
2.2).
END OF TASK
M04-065-9
3
36
35
31
33
1
30
32
34
2
29
