TM 1-1520-238-23
1-114.8
Change 5
1.35.
HYDRAULIC SYSTEM BLEED – continued
bb. Disconnect AGPU return hose (13) from re-
turn “Y” hose coupling (14).
(1) Turn coupling nut (16) counterclockwise until
it clears “Y” hose coupling (14).
(2) Install cap (15) on “Y” hose coupling (14).
bc. Disconnect AGPU pressure hose (17) from
pressure “Y” hose coupling (18).
(1) Turn coupling nut (20) counterclockwise until
it clears “Y” hose coupling (18).
(2) Install cap (19) on “Y” hose coupling (18).
bd. Set BATT/EXT PWR switch (21) on ELEC PWR
control panel (22) to OFF.
be. Inspect (QA).
bf. Perform primary and utility hydraulic mainte-
nance operational check (TM 1-1520-238-T).
bg. Remove external power – electrical (para
1.70).
bh. Secure access doors T250L, T250R, T290L,
T290R, L325, and R325; install fairing L175
(para 2.2).
END OF TASK
15
13
17
20
16
18
14
19
M04-1611-39
M04-1611-16A
21
22
