TM 1-1520-238-23
7-470
7.121.
SDC INSTALLATION continued
k. Install interconnect hose (17) and surge valve
pressure hose (18) on unions (1) and (4).
(1) Lubricate threads of unions (1) and (4). Use
damping fluid (item 69, App F).
(2) Hold union (1). Install nut (19).
(3) Hold union (4). Install nut (20).
CAUTION
Ensure surge valve pressure hose is not
kinked or twisted after installation. Failure
to do so could cause SDC malfunction.
l. Install exhaust hose (21) on surge valve (22).
(1) Install clamp (23).
m. Slide housing (10) over SDC (2).
(1) Install clamp (11).
n. Inspect (QA).
o. Install SDC pressure outlet hose (para 7.127).
p. Install SDC temperature sensor (para 7.123).
q. Perform pressurized air system maintenance
operational check (TM 1-1520-238-T).
r. Unfold catwalk (para 2.83).
s. Service main transmission (para 1.32).
t. Secure access doors T250L, T250R, T290L,
T290R, and L325 (para 2.2).
END OF TASK
1
19
11
10
21
17
23
22
18
20
4
2
M04-069-9