TM 1-1520-238-23
Change 5
1-114.3
1.35.
HYDRAULIC SYSTEM BLEED – continued
(c) Slowly push pilot right pedal (46) forward
to stop then back to center. Repeat for left
pedal. Repeat 10 complete cycles.
(3) Verify primary and utility manifold fluid levels
are correct (para 1.34).
(4) Check for air bubbles in the AGPU air bleed
sight gage. Repeat steps (1) and (2) as re-
quired to clear remaining bubbles.
ac Reduce AGPU output pressure to 0 psi and
shut down AGPU (TM 55-1730-229-12).
ad 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).
ae 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).
af Perform APU power up (para 1.75).
ag Perform
TADS
power
up
(TM 1-1270-476-20).
ah Perform area weapon system power up
(TM 9-1090-208-23).
WARNING
Hydraulic pressure is 3000 psi. This
can cause injury. If injury occurs,
seek medical aid.
To prevent injury when moving gun
turret, ensure that all personnel are
clear of gun travel area during turret
operation. If injury occurs, seek
medical aid.
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PILOT STATION
M04-1611-32
46
15
13
17
20
16
18
14
19
M04-1611-33
